Pre UI Sweep

Refactor of the SearchScreen and ImageWithEverything.kt to use include and exlcude filtering

//TODO remove tags easy (versus exlude switch but both are needed)
//SearchScreen still needs export to collage TBD

.idea/deploymentTargetSelector.xml

@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2026-01-08T02:44:48.809354959Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="LocalEmulator" identifier="path=/home/genki/.android/avd/Medium_Phone.avd" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>

.idea/deviceManager.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="DESCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+    <option name="groupByAttributes">
+      <list>
+        <option value="Type" />
+      </list>
+    </option>
+  </component>
+</project>

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,61 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+  </profile>
+</component>

app/build.gradle.kts

@@ -12,7 +12,7 @@ android {
 
     defaultConfig {
         applicationId = "com.placeholder.sherpai2"
-        minSdk = 24
+        minSdk = 25
         targetSdk = 35
         versionCode = 1
         versionName = "1.0"
@@ -42,35 +42,53 @@ android {
 }
 
 dependencies {
-    // AndroidX & Lifecycle
+    // Core & Lifecycle
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime.ktx)
     implementation(libs.androidx.lifecycle.viewmodel.compose)
     implementation(libs.androidx.activity.compose)
 
-    // Compose (Using BOM)
+    // Compose
     implementation(platform(libs.androidx.compose.bom))
     implementation(libs.androidx.compose.ui)
     implementation(libs.androidx.compose.ui.graphics)
     implementation(libs.androidx.compose.ui.tooling.preview)
     implementation(libs.androidx.compose.material3)
     implementation(libs.androidx.compose.material.icons)
-
-    // Navigation & Hilt Integration
-    implementation(libs.androidx.navigation.compose)
-    implementation(libs.androidx.hilt.navigation.compose)
-    implementation(libs.hilt.android)
-    ksp(libs.hilt.compiler)
-
-    // Images
-    implementation(libs.coil.compose)
-
-    // Tooling (Fixed to use TOML alias)
     debugImplementation(libs.androidx.compose.ui.tooling)
 
-    //backend2
-    //room addon
+    // Hilt DI
+    implementation(libs.hilt.android)
+    ksp(libs.hilt.compiler)
+    implementation(libs.androidx.hilt.navigation.compose)
+
+    // Navigation
+    implementation(libs.androidx.navigation.compose)
+
+    // Room Database
     implementation(libs.room.runtime)
     implementation(libs.room.ktx)
     ksp(libs.room.compiler)
+
+    // Coil Images
+    implementation(libs.coil.compose)
+
+    // ML Kit
+    implementation(libs.mlkit.face.detection)
+    implementation(libs.kotlinx.coroutines.play.services)
+
+    //Face Rec
+    implementation(libs.tensorflow.lite)
+    implementation(libs.tensorflow.lite.support)
+    // Optional: GPU acceleration
+    implementation(libs.tensorflow.lite.gpu)
+
+    // Gson for storing FloatArrays in Room
+    implementation(libs.gson)
+
+    // Zoomable
+    implementation(libs.zoomable)
+    implementation(libs.vico.compose)
+    implementation(libs.vico.compose.m3)
+    implementation(libs.vico.core)
 }

app/src/main/AndroidManifest.xml

@@ -10,7 +10,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.SherpAI2">
+        android:theme="@style/Theme.SherpAI2"
+        android:name=".SherpAIApplication">
         <activity
             android:name=".MainActivity"
             android:exported="true"

app/src/main/java/com/placeholder/sherpai2/MainActivity.kt

@@ -8,63 +8,222 @@ import androidx.activity.ComponentActivity
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
 import androidx.core.content.ContextCompat
-import com.placeholder.sherpai2.presentation.MainScreen // IMPORT your main screen
+import androidx.lifecycle.lifecycleScope
+import com.placeholder.sherpai2.domain.repository.ImageRepository
+import com.placeholder.sherpai2.ui.presentation.MainScreen
 import com.placeholder.sherpai2.ui.theme.SherpAI2Theme
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
 
+/**
+ * MainActivity - ENHANCED with background ingestion
+ *
+ * Key improvements:
+ * 1. Non-blocking ingestion - app loads immediately
+ * 2. Background processing with progress updates
+ * 3. Graceful handling of large photo collections
+ * 4. User can navigate while ingestion runs
+ */
+@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
+
+    @Inject
+    lateinit var imageRepository: ImageRepository
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        // 1. Define the permission needed based on API level
-        val permission = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        val storagePermission = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             Manifest.permission.READ_MEDIA_IMAGES
         } else {
             Manifest.permission.READ_EXTERNAL_STORAGE
         }
+
         setContent {
             SherpAI2Theme {
-                // 2. State to track if permission is granted
                 var hasPermission by remember {
-                    mutableStateOf(ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED)
+                    mutableStateOf(
+                        ContextCompat.checkSelfPermission(this@MainActivity, storagePermission) ==
+                                PackageManager.PERMISSION_GRANTED
+                    )
                 }
 
-                // 3. Launcher to ask for permission
-                val launcher = rememberLauncherForActivityResult(
+                var ingestionState by remember { mutableStateOf<IngestionState>(IngestionState.NotStarted) }
+
+                val permissionLauncher = rememberLauncherForActivityResult(
                     ActivityResultContracts.RequestPermission()
-                ) { isGranted ->
-                    hasPermission = isGranted
+                ) { granted ->
+                    hasPermission = granted
                 }
 
-                // 4. Trigger request on start
-                LaunchedEffect(Unit) {
-                    if (!hasPermission) launcher.launch(permission)
-                }
+                // Start background ingestion when permission granted
+                LaunchedEffect(hasPermission) {
+                    if (hasPermission && ingestionState is IngestionState.NotStarted) {
+                        ingestionState = IngestionState.InProgress(0, 0)
 
-                if (hasPermission) {
-                    MainScreen() // Your existing screen that holds MainContentArea
+                        // Launch in background - NON-BLOCKING
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            try {
+                                // Check if already ingested
+                                val existingCount = imageRepository.getImageCount()
+
+                                if (existingCount > 0) {
+                                    // Already have images, skip ingestion
+                                    withContext(Dispatchers.Main) {
+                                        ingestionState = IngestionState.Complete(existingCount)
+                                    }
                                 } else {
-                    Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
-                        Text("Please grant storage permission to view photos.")
+                                    // Start ingestion with progress tracking
+                                    imageRepository.ingestImagesWithProgress { current, total ->
+                                        ingestionState = IngestionState.InProgress(current, total)
                                     }
+
+                                    val finalCount = imageRepository.getImageCount()
+                                    withContext(Dispatchers.Main) {
+                                        ingestionState = IngestionState.Complete(finalCount)
+                                    }
+                                }
+                            } catch (e: Exception) {
+                                withContext(Dispatchers.Main) {
+                                    ingestionState = IngestionState.Error(e.message ?: "Failed to load images")
+                                }
+                            }
+                        }
+                    } else if (!hasPermission) {
+                        permissionLauncher.launch(storagePermission)
                     }
                 }
 
+                // UI State
+                Box(
+                    modifier = Modifier.fillMaxSize()
+                ) {
+                    when {
+                        hasPermission -> {
+                            // ALWAYS show main screen (non-blocking!)
+                            MainScreen()
 
+                            // Show progress overlay if still ingesting
+                            if (ingestionState is IngestionState.InProgress) {
+                                IngestionProgressOverlay(
+                                    state = ingestionState as IngestionState.InProgress
+                                )
+                            }
+                        }
+                        else -> {
+                            Box(
+                                modifier = Modifier.fillMaxSize(),
+                                contentAlignment = Alignment.Center
+                            ) {
+                                Column(
+                                    horizontalAlignment = Alignment.CenterHorizontally,
+                                    verticalArrangement = Arrangement.spacedBy(16.dp)
+                                ) {
+                                    Text(
+                                        "Storage Permission Required",
+                                        style = MaterialTheme.typography.titleLarge,
+                                        fontWeight = FontWeight.Bold
+                                    )
+                                    Text(
+                                        "SherpAI needs access to your photos",
+                                        style = MaterialTheme.typography.bodyMedium
+                                    )
+                                    Button(onClick = { permissionLauncher.launch(storagePermission) }) {
+                                        Text("Grant Permission")
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
         }
     }
 }
 
+/**
+ * Ingestion state with progress tracking
+ */
+sealed class IngestionState {
+    object NotStarted : IngestionState()
+    data class InProgress(val current: Int, val total: Int) : IngestionState()
+    data class Complete(val imageCount: Int) : IngestionState()
+    data class Error(val message: String) : IngestionState()
+}
 
+/**
+ * Non-intrusive progress overlay
+ * Shows at bottom of screen, doesn't block UI
+ */
+@Composable
+fun IngestionProgressOverlay(state: IngestionState.InProgress) {
+    Box(
+        modifier = Modifier.fillMaxSize(),
+        contentAlignment = Alignment.BottomCenter
+    ) {
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.primaryContainer
+            ),
+            elevation = CardDefaults.cardElevation(defaultElevation = 8.dp)
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                verticalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(
+                        text = "Loading photos...",
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold
+                    )
+
+                    if (state.total > 0) {
+                        Text(
+                            text = "${state.current} / ${state.total}",
+                            style = MaterialTheme.typography.bodyMedium,
+                            color = MaterialTheme.colorScheme.primary
+                        )
+                    }
+                }
+
+                if (state.total > 0) {
+                    LinearProgressIndicator(
+                        progress = { state.current.toFloat() / state.total.toFloat() },
+                        modifier = Modifier.fillMaxWidth(),
+                    )
+                } else {
+                    LinearProgressIndicator(
+                        modifier = Modifier.fillMaxWidth()
+                    )
+                }
+
+                Text(
+                    text = "You can start using the app while photos load in the background",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/SherpAIApplication.kt

@@ -0,0 +1,7 @@
+package com.placeholder.sherpai2
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class SherpAIApplication : Application()

app/src/main/java/com/placeholder/sherpai2/data/local/AppDatabase.kt

@@ -2,46 +2,48 @@ package com.placeholder.sherpai2.data.local
 
 import androidx.room.Database
 import androidx.room.RoomDatabase
-import com.placeholder.sherpai2.data.local.dao.EventDao
-import com.placeholder.sherpai2.data.local.dao.ImageAggregateDao
-import com.placeholder.sherpai2.data.local.dao.ImageDao
-import com.placeholder.sherpai2.data.local.dao.ImageEventDao
-import com.placeholder.sherpai2.data.local.dao.ImagePersonDao
-import com.placeholder.sherpai2.data.local.dao.ImageTagDao
-import com.placeholder.sherpai2.data.local.dao.PersonDao
-import com.placeholder.sherpai2.data.local.dao.TagDao
-import com.placeholder.sherpai2.data.local.entity.EventEntity
-import com.placeholder.sherpai2.data.local.entity.ImageEntity
-import com.placeholder.sherpai2.data.local.entity.ImageEventEntity
-import com.placeholder.sherpai2.data.local.entity.ImagePersonEntity
-import com.placeholder.sherpai2.data.local.entity.ImageTagEntity
-import com.placeholder.sherpai2.data.local.entity.PersonEntity
-import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.data.local.dao.*
+import com.placeholder.sherpai2.data.local.entity.*
 
+/**
+ * AppDatabase - Complete database for SherpAI2
+ *
+ * ENTITIES:
+ * - YOUR EXISTING: Image, Tag, Event, junction tables
+ * - NEW: PersonEntity (people in your app)
+ * - NEW: FaceModelEntity (face embeddings, links to PersonEntity)
+ * - NEW: PhotoFaceTagEntity (face detections, links to ImageEntity + FaceModelEntity)
+ */
 @Database(
     entities = [
+        // ===== YOUR EXISTING ENTITIES =====
         ImageEntity::class,
         TagEntity::class,
-        PersonEntity::class,
         EventEntity::class,
         ImageTagEntity::class,
-        ImagePersonEntity::class,
-        ImageEventEntity::class
-    ],
-    version = 1,
-    exportSchema = true
-)
+        ImageEventEntity::class,
 
+        // ===== NEW ENTITIES =====
+        PersonEntity::class,         // NEW: People
+        FaceModelEntity::class,      // NEW: Face embeddings
+        PhotoFaceTagEntity::class    // NEW: Face tags
+    ],
+    version = 5,
+    exportSchema = false
+)
+// No TypeConverters needed - embeddings stored as strings
 abstract class AppDatabase : RoomDatabase() {
 
+    // ===== YOUR EXISTING DAOs =====
     abstract fun imageDao(): ImageDao
     abstract fun tagDao(): TagDao
-    abstract fun personDao(): PersonDao
     abstract fun eventDao(): EventDao
-
     abstract fun imageTagDao(): ImageTagDao
-    abstract fun imagePersonDao(): ImagePersonDao
     abstract fun imageEventDao(): ImageEventDao
-
     abstract fun imageAggregateDao(): ImageAggregateDao
+
+    // ===== NEW DAOs =====
+    abstract fun personDao(): PersonDao              // NEW: Manage people
+    abstract fun faceModelDao(): FaceModelDao        // NEW: Manage face embeddings
+    abstract fun photoFaceTagDao(): PhotoFaceTagDao  // NEW: Manage face tags
 }

app/src/main/java/com/placeholder/sherpai2/data/local/dao/FaceModelDao.kt

@@ -0,0 +1,44 @@
+package com.placeholder.sherpai2.data.local.dao
+
+import androidx.room.*
+import kotlinx.coroutines.flow.Flow
+import com.placeholder.sherpai2.data.local.entity.FaceModelEntity
+/**
+ * FaceModelDao - Manages face recognition models
+ *
+ * PRIMARY KEY TYPE: String (UUID)
+ * FOREIGN KEY: personId (String)
+ */
+@Dao
+interface FaceModelDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertFaceModel(faceModel: FaceModelEntity): Long  // Row ID
+
+    @Update
+    suspend fun updateFaceModel(faceModel: FaceModelEntity)
+
+    @Query("UPDATE face_models SET lastUsed = :timestamp WHERE id = :faceModelId")
+    suspend fun updateLastUsed(faceModelId: String, timestamp: Long)
+
+    @Query("SELECT * FROM face_models WHERE id = :faceModelId")
+    suspend fun getFaceModelById(faceModelId: String): FaceModelEntity?
+
+    @Query("SELECT * FROM face_models WHERE personId = :personId AND isActive = 1")
+    suspend fun getFaceModelByPersonId(personId: String): FaceModelEntity?
+
+    @Query("SELECT * FROM face_models WHERE isActive = 1 ORDER BY lastUsed DESC")
+    suspend fun getAllActiveFaceModels(): List<FaceModelEntity>
+
+    @Query("SELECT * FROM face_models WHERE isActive = 1 ORDER BY lastUsed DESC")
+    fun getAllActiveFaceModelsFlow(): Flow<List<FaceModelEntity>>
+
+    @Query("DELETE FROM face_models WHERE id = :faceModelId")
+    suspend fun deleteFaceModelById(faceModelId: String)
+
+    @Query("UPDATE face_models SET isActive = 0 WHERE id = :faceModelId")
+    suspend fun deactivateFaceModel(faceModelId: String)
+
+    @Query("SELECT COUNT(*) FROM face_models WHERE isActive = 1")
+    suspend fun getActiveFaceModelCount(): Int
+}

app/src/main/java/com/placeholder/sherpai2/data/local/dao/ImageAggregateDao.kt

@@ -11,8 +11,6 @@ interface ImageAggregateDao {
 
     /**
      * Observe a fully-hydrated image object.
-     *
-     * This is what your detail screen should use.
      */
     @Transaction
     @Query("""
@@ -22,4 +20,29 @@ interface ImageAggregateDao {
     fun observeImageWithEverything(
         imageId: String
     ): Flow<ImageWithEverything>
+
+    /**
+     * Observe all images.
+     */
+    @Transaction
+    @Query("""
+        SELECT * FROM images
+        ORDER BY capturedAt DESC
+    """)
+    fun observeAllImagesWithEverything(): Flow<List<ImageWithEverything>>
+
+    /**
+     * Observe images filtered by tag value.
+     *
+     * Joins images -> image_tags -> tags
+     */
+    @Transaction
+    @Query("""
+        SELECT images.* FROM images
+        INNER JOIN image_tags ON images.imageId = image_tags.imageId
+        INNER JOIN tags ON tags.tagId = image_tags.tagId
+        WHERE tags.value = :tag
+        ORDER BY images.capturedAt DESC
+    """)
+    fun observeImagesWithTag(tag: String): Flow<List<ImageWithEverything>>
 }

app/src/main/java/com/placeholder/sherpai2/data/local/dao/ImageDao.kt

@@ -4,9 +4,39 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.Transaction
 import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.local.model.ImageWithEverything
 import kotlinx.coroutines.flow.Flow
 
+/**
+ * Data classes for statistics queries
+ */
+data class DateCount(
+    val date: String,  // YYYY-MM-DD format
+    val count: Int
+)
+
+data class MonthCount(
+    val month: String, // YYYY-MM format
+    val count: Int
+)
+
+data class YearCount(
+    val year: String,  // YYYY format
+    val count: Int
+)
+
+data class DayOfWeekCount(
+    val dayOfWeek: Int, // 0 = Sunday, 6 = Saturday
+    val count: Int
+)
+
+data class HourCount(
+    val hour: Int,     // 0-23
+    val count: Int
+)
+
 @Dao
 interface ImageDao {
 
@@ -53,4 +83,162 @@ interface ImageDao {
         start: Long,
         end: Long
     ): List<ImageEntity>
+
+    @Transaction
+    @Query("SELECT * FROM images ORDER BY capturedAt DESC LIMIT :limit")
+    fun getRecentImages(limit: Int): Flow<List<ImageWithEverything>>
+
+    @Query("SELECT COUNT(*) > 0 FROM images WHERE sha256 = :sha256")
+    suspend fun existsBySha256(sha256: String): Boolean
+
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insert(image: ImageEntity)
+
+    /**
+     * Get images by list of IDs.
+     * FIXED: Changed from List<Long> to List<String> to match ImageEntity.imageId type
+     */
+    @Query("SELECT * FROM images WHERE imageId IN (:imageIds)")
+    suspend fun getImagesByIds(imageIds: List<String>): List<ImageEntity>
+
+    @Query("SELECT COUNT(*) FROM images")
+    suspend fun getImageCount(): Int
+
+    /**
+     * Get all images (for utilities processing)
+     */
+    @Query("SELECT * FROM images ORDER BY capturedAt DESC")
+    suspend fun getAllImages(): List<ImageEntity>
+
+    /**
+     * Get all images sorted by time (for burst detection)
+     */
+    @Query("SELECT * FROM images ORDER BY capturedAt ASC")
+    suspend fun getAllImagesSortedByTime(): List<ImageEntity>
+
+    // ==========================================
+    // STATISTICS QUERIES - ADDED FOR STATS SECTION
+    // ==========================================
+
+    /**
+     * Get photo counts by date (daily granularity)
+     * Returns all days that have at least one photo
+     */
+    @Query("""
+        SELECT 
+            date(capturedAt/1000, 'unixepoch') as date,
+            COUNT(*) as count
+        FROM images
+        GROUP BY date
+        ORDER BY date ASC
+    """)
+    suspend fun getPhotoCountsByDate(): List<DateCount>
+
+    /**
+     * Get photo counts by month (monthly granularity)
+     */
+    @Query("""
+        SELECT 
+            strftime('%Y-%m', capturedAt/1000, 'unixepoch') as month,
+            COUNT(*) as count
+        FROM images
+        GROUP BY month
+        ORDER BY month ASC
+    """)
+    suspend fun getPhotoCountsByMonth(): List<MonthCount>
+
+    /**
+     * Get photo counts by year (yearly granularity)
+     */
+    @Query("""
+        SELECT 
+            strftime('%Y', capturedAt/1000, 'unixepoch') as year,
+            COUNT(*) as count
+        FROM images
+        GROUP BY year
+        ORDER BY year DESC
+    """)
+    suspend fun getPhotoCountsByYear(): List<YearCount>
+
+    /**
+     * Get photo counts by year (Flow version for reactive UI)
+     */
+    @Query("""
+        SELECT 
+            strftime('%Y', capturedAt/1000, 'unixepoch') as year,
+            COUNT(*) as count
+        FROM images
+        GROUP BY year
+        ORDER BY year DESC
+    """)
+    fun getPhotoCountsByYearFlow(): Flow<List<YearCount>>
+
+    /**
+     * Get photo counts by day of week (0 = Sunday, 6 = Saturday)
+     * Shows which days you take the most photos
+     */
+    @Query("""
+        SELECT 
+            CAST(strftime('%w', capturedAt/1000, 'unixepoch') AS INTEGER) as dayOfWeek,
+            COUNT(*) as count
+        FROM images
+        GROUP BY dayOfWeek
+        ORDER BY dayOfWeek ASC
+    """)
+    suspend fun getPhotoCountsByDayOfWeek(): List<DayOfWeekCount>
+
+    /**
+     * Get photo counts by hour of day (0-23)
+     * Shows when you take the most photos
+     */
+    @Query("""
+        SELECT 
+            CAST(strftime('%H', capturedAt/1000, 'unixepoch') AS INTEGER) as hour,
+            COUNT(*) as count
+        FROM images
+        GROUP BY hour
+        ORDER BY hour ASC
+    """)
+    suspend fun getPhotoCountsByHour(): List<HourCount>
+
+    /**
+     * Get earliest and latest photo timestamps
+     * Used for date range calculations
+     */
+    @Query("""
+        SELECT 
+            MIN(capturedAt) as earliest,
+            MAX(capturedAt) as latest
+        FROM images
+    """)
+    suspend fun getPhotoDateRange(): PhotoDateRange?
+
+    /**
+     * Get photo count for a specific year
+     */
+    @Query("""
+        SELECT COUNT(*) FROM images
+        WHERE strftime('%Y', capturedAt/1000, 'unixepoch') = :year
+    """)
+    suspend fun getPhotoCountForYear(year: String): Int
+
+    /**
+     * Get average photos per day (for stats display)
+     */
+    @Query("""
+        SELECT 
+            CAST(COUNT(*) AS REAL) / 
+            CAST((MAX(capturedAt) - MIN(capturedAt)) / 86400000 AS REAL) as avgPerDay
+        FROM images
+        WHERE (SELECT COUNT(*) FROM images) > 0
+    """)
+    suspend fun getAveragePhotosPerDay(): Float?
 }
+
+/**
+ * Data class for date range result
+ */
+data class PhotoDateRange(
+    val earliest: Long,
+    val latest: Long
+)

app/src/main/java/com/placeholder/sherpai2/data/local/dao/ImagePersonDao.kt

@@ -1,25 +0,0 @@
-package com.placeholder.sherpai2.data.local.dao
-
-import androidx.room.Dao
-import androidx.room.Insert
-import androidx.room.OnConflictStrategy
-import androidx.room.Query
-import com.placeholder.sherpai2.data.local.entity.ImagePersonEntity
-
-@Dao
-interface ImagePersonDao {
-
-    @Insert(onConflict = OnConflictStrategy.REPLACE)
-    suspend fun upsert(entity: ImagePersonEntity)
-
-    /**
-     * All images containing a specific person.
-     */
-    @Query("""
-        SELECT imageId FROM image_persons
-        WHERE personId = :personId
-        AND visibility = 'PUBLIC'
-        AND confirmed = 1
-    """)
-    suspend fun findImagesForPerson(personId: String): List<String>
-}

app/src/main/java/com/placeholder/sherpai2/data/local/dao/ImageTagDao.kt

@@ -4,18 +4,26 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.Transaction
 import com.placeholder.sherpai2.data.local.entity.ImageTagEntity
+import com.placeholder.sherpai2.data.local.entity.TagEntity
 import kotlinx.coroutines.flow.Flow
 
+/**
+ * Data class for burst statistics
+ */
+data class BurstStats(
+    val totalBurstPhotos: Int,
+    val estimatedBurstGroups: Int,
+    val burstRepresentatives: Int
+)
+
 @Dao
 interface ImageTagDao {
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun upsert(imageTag: ImageTagEntity)
 
-    /**
-     * Observe tags for an image.
-     */
     @Query("""
         SELECT * FROM image_tags
         WHERE imageId = :imageId
@@ -24,9 +32,7 @@ interface ImageTagDao {
     fun observeTagsForImage(imageId: String): Flow<List<ImageTagEntity>>
 
     /**
-     * Find images by tag.
-     *
-     * This is your primary tag-search query.
+     * FIXED: Removed default parameter
      */
     @Query("""
         SELECT imageId FROM image_tags
@@ -36,6 +42,101 @@ interface ImageTagDao {
     """)
     suspend fun findImagesByTag(
         tagId: String,
-        minConfidence: Float = 0.5f
+        minConfidence: Float
     ): List<String>
+
+    @Transaction
+    @Query("""
+        SELECT t.* 
+        FROM tags t
+        INNER JOIN image_tags it ON t.tagId = it.tagId
+        WHERE it.imageId = :imageId AND it.visibility = 'PUBLIC'
+    """)
+    fun getTagsForImage(imageId: String): Flow<List<TagEntity>>
+
+    /**
+     * Insert image tag (for utilities tagging)
+     */
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insert(imageTag: ImageTagEntity): Long
+
+    // ==========================================
+    // BURST STATISTICS - ADDED FOR STATS SECTION
+    // ==========================================
+
+    /**
+     * Get comprehensive burst statistics
+     * Returns total burst photos, estimated groups, and representative count
+     */
+    @Query("""
+        SELECT 
+            (SELECT COUNT(DISTINCT it.imageId) 
+             FROM image_tags it 
+             INNER JOIN tags t ON it.tagId = t.tagId 
+             WHERE t.value = 'burst') as totalBurstPhotos,
+            (SELECT COUNT(DISTINCT it.imageId) / 3
+             FROM image_tags it 
+             INNER JOIN tags t ON it.tagId = t.tagId 
+             WHERE t.value = 'burst') as estimatedBurstGroups,
+            (SELECT COUNT(DISTINCT it.imageId)
+             FROM image_tags it 
+             INNER JOIN tags t ON it.tagId = t.tagId 
+             WHERE t.value = 'burst_representative') as burstRepresentatives
+    """)
+    suspend fun getBurstStats(): BurstStats?
+
+    /**
+     * Get burst statistics (Flow version for reactive UI)
+     */
+    @Query("""
+        SELECT 
+            (SELECT COUNT(DISTINCT it.imageId) 
+             FROM image_tags it 
+             INNER JOIN tags t ON it.tagId = t.tagId 
+             WHERE t.value = 'burst') as totalBurstPhotos,
+            (SELECT COUNT(DISTINCT it.imageId) / 3
+             FROM image_tags it 
+             INNER JOIN tags t ON it.tagId = t.tagId 
+             WHERE t.value = 'burst') as estimatedBurstGroups,
+            (SELECT COUNT(DISTINCT it.imageId)
+             FROM image_tags it 
+             INNER JOIN tags t ON it.tagId = t.tagId 
+             WHERE t.value = 'burst_representative') as burstRepresentatives
+    """)
+    fun getBurstStatsFlow(): Flow<BurstStats?>
+
+    /**
+     * Get count of burst photos
+     */
+    @Query("""
+        SELECT COUNT(DISTINCT it.imageId)
+        FROM image_tags it
+        INNER JOIN tags t ON it.tagId = t.tagId
+        WHERE t.value = 'burst'
+    """)
+    suspend fun getBurstPhotoCount(): Int
+
+    /**
+     * Get count of burst representative photos
+     * (photos marked as the best in each burst sequence)
+     */
+    @Query("""
+        SELECT COUNT(DISTINCT it.imageId)
+        FROM image_tags it
+        INNER JOIN tags t ON it.tagId = t.tagId
+        WHERE t.value = 'burst_representative'
+    """)
+    suspend fun getBurstRepresentativeCount(): Int
+
+    /**
+     * Get estimated number of burst groups
+     * Assumes average of 3 photos per burst
+     */
+    @Query("""
+        SELECT COUNT(DISTINCT it.imageId) / 3
+        FROM image_tags it
+        INNER JOIN tags t ON it.tagId = t.tagId
+        WHERE t.value = 'burst'
+    """)
+    suspend fun getEstimatedBurstGroupCount(): Int
 }

app/src/main/java/com/placeholder/sherpai2/data/local/dao/PersonDao.kt

@@ -1,24 +1,51 @@
 package com.placeholder.sherpai2.data.local.dao
 
-import androidx.room.Dao
-import androidx.room.Insert
-import androidx.room.OnConflictStrategy
-import androidx.room.Query
+import androidx.room.*
 import com.placeholder.sherpai2.data.local.entity.PersonEntity
+import kotlinx.coroutines.flow.Flow
 
 @Dao
 interface PersonDao {
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    suspend fun insert(person: PersonEntity)
+    suspend fun insert(person: PersonEntity): Long
 
-    @Query("SELECT * FROM persons WHERE personId = :personId")
-    suspend fun getById(personId: String): PersonEntity?
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertAll(persons: List<PersonEntity>)
 
-    @Query("""
-        SELECT * FROM persons
-        WHERE isHidden = 0
-        ORDER BY displayName
-    """)
-    suspend fun getVisiblePeople(): List<PersonEntity>
+    @Update
+    suspend fun update(person: PersonEntity)
+
+    /**
+     * FIXED: Removed default parameter
+     */
+    @Query("UPDATE persons SET updatedAt = :timestamp WHERE id = :personId")
+    suspend fun updateTimestamp(personId: String, timestamp: Long)
+
+    @Delete
+    suspend fun delete(person: PersonEntity)
+
+    @Query("DELETE FROM persons WHERE id = :personId")
+    suspend fun deleteById(personId: String)
+
+    @Query("SELECT * FROM persons WHERE id = :personId")
+    suspend fun getPersonById(personId: String): PersonEntity?
+
+    @Query("SELECT * FROM persons WHERE id IN (:personIds)")
+    suspend fun getPersonsByIds(personIds: List<String>): List<PersonEntity>
+
+    @Query("SELECT * FROM persons ORDER BY name ASC")
+    suspend fun getAllPersons(): List<PersonEntity>
+
+    @Query("SELECT * FROM persons ORDER BY name ASC")
+    fun getAllPersonsFlow(): Flow<List<PersonEntity>>
+
+    @Query("SELECT * FROM persons WHERE name LIKE '%' || :query || '%' ORDER BY name ASC")
+    suspend fun searchByName(query: String): List<PersonEntity>
+
+    @Query("SELECT COUNT(*) FROM persons")
+    suspend fun getPersonCount(): Int
+
+    @Query("SELECT EXISTS(SELECT 1 FROM persons WHERE id = :personId)")
+    suspend fun personExists(personId: String): Boolean
 }

app/src/main/java/com/placeholder/sherpai2/data/local/dao/Photofacetagdao.kt

@@ -0,0 +1,91 @@
+package com.placeholder.sherpai2.data.local.dao
+
+import androidx.room.*
+import kotlinx.coroutines.flow.Flow
+import com.placeholder.sherpai2.data.local.entity.PhotoFaceTagEntity
+
+@Dao
+interface PhotoFaceTagDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertTag(tag: PhotoFaceTagEntity): Long
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertTags(tags: List<PhotoFaceTagEntity>)
+
+    @Update
+    suspend fun updateTag(tag: PhotoFaceTagEntity)
+
+    /**
+     * FIXED: Removed default parameter
+     */
+    @Query("UPDATE photo_face_tags SET verifiedByUser = 1, verifiedAt = :timestamp WHERE id = :tagId")
+    suspend fun markTagAsVerified(tagId: String, timestamp: Long)
+
+    // ===== QUERY BY IMAGE =====
+
+    @Query("SELECT * FROM photo_face_tags WHERE imageId = :imageId")
+    suspend fun getTagsForImage(imageId: String): List<PhotoFaceTagEntity>
+
+    @Query("SELECT COUNT(*) FROM photo_face_tags WHERE imageId = :imageId")
+    suspend fun getFaceCountForImage(imageId: String): Int
+
+    @Query("SELECT EXISTS(SELECT 1 FROM photo_face_tags WHERE imageId = :imageId AND faceModelId = :faceModelId)")
+    suspend fun imageHasPerson(imageId: String, faceModelId: String): Boolean
+
+    // ===== QUERY BY FACE MODEL =====
+
+    @Query("SELECT DISTINCT imageId FROM photo_face_tags WHERE faceModelId = :faceModelId ORDER BY detectedAt DESC")
+    suspend fun getImageIdsForFaceModel(faceModelId: String): List<String>
+
+    @Query("SELECT DISTINCT imageId FROM photo_face_tags WHERE faceModelId = :faceModelId ORDER BY detectedAt DESC")
+    fun getImageIdsForFaceModelFlow(faceModelId: String): Flow<List<String>>
+
+    @Query("SELECT faceModelId, COUNT(DISTINCT imageId) as photoCount FROM photo_face_tags GROUP BY faceModelId")
+    suspend fun getPhotoCountPerFaceModel(): List<FaceModelPhotoCount>
+
+    @Query("SELECT * FROM photo_face_tags WHERE faceModelId = :faceModelId ORDER BY detectedAt DESC")
+    suspend fun getAllTagsForFaceModel(faceModelId: String): List<PhotoFaceTagEntity>
+
+    // ===== DELETE =====
+
+    @Delete
+    suspend fun deleteTag(tag: PhotoFaceTagEntity)
+
+    @Query("DELETE FROM photo_face_tags WHERE id = :tagId")
+    suspend fun deleteTagById(tagId: String)
+
+    @Query("DELETE FROM photo_face_tags WHERE faceModelId = :faceModelId")
+    suspend fun deleteTagsForFaceModel(faceModelId: String)
+
+    @Query("DELETE FROM photo_face_tags WHERE imageId = :imageId")
+    suspend fun deleteTagsForImage(imageId: String)
+
+    // ===== STATISTICS =====
+
+    /**
+     * FIXED: Removed default parameter
+     */
+    @Query("SELECT * FROM photo_face_tags WHERE confidence < :threshold ORDER BY confidence ASC")
+    suspend fun getLowConfidenceTags(threshold: Float): List<PhotoFaceTagEntity>
+
+    @Query("SELECT * FROM photo_face_tags WHERE verifiedByUser = 0 ORDER BY detectedAt DESC")
+    suspend fun getUnverifiedTags(): List<PhotoFaceTagEntity>
+
+    @Query("SELECT COUNT(*) FROM photo_face_tags WHERE verifiedByUser = 0")
+    suspend fun getUnverifiedTagCount(): Int
+
+    @Query("SELECT AVG(confidence) FROM photo_face_tags WHERE faceModelId = :faceModelId")
+    suspend fun getAverageConfidenceForFaceModel(faceModelId: String): Float?
+
+    /**
+     * FIXED: Removed default parameter
+     */
+    @Query("SELECT * FROM photo_face_tags ORDER BY detectedAt DESC LIMIT :limit")
+    suspend fun getRecentlyDetectedFaces(limit: Int): List<PhotoFaceTagEntity>
+}
+
+data class FaceModelPhotoCount(
+    val faceModelId: String,
+    val photoCount: Int
+)

app/src/main/java/com/placeholder/sherpai2/data/local/dao/TagDao.kt

@@ -4,21 +4,294 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
 import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.data.local.entity.TagWithUsage
+import kotlinx.coroutines.flow.Flow
 
+/**
+ * Data class for tag statistics
+ */
+data class TagStat(
+    val tagValue: String,
+    val tagType: String,
+    val imageCount: Int,
+    val tagId: String
+)
+
+/**
+ * TagDao - Tag management with face recognition integration
+ *
+ * NO DEFAULT PARAMETERS - Room doesn't support them in @Query methods
+ */
 @Dao
 interface TagDao {
 
-    @Insert(onConflict = OnConflictStrategy.IGNORE)
-    suspend fun insert(tag: TagEntity)
+    // ======================
+    // BASIC OPERATIONS
+    // ======================
+
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insert(tag: TagEntity): Long
 
-    /**
-     * Resolve a tag by value.
-     * Example: "park"
-     */
     @Query("SELECT * FROM tags WHERE value = :value LIMIT 1")
     suspend fun getByValue(value: String): TagEntity?
 
-    @Query("SELECT * FROM tags")
+    @Query("SELECT * FROM tags WHERE tagId = :tagId")
+    suspend fun getById(tagId: String): TagEntity?
+
+    @Query("SELECT * FROM tags ORDER BY value ASC")
     suspend fun getAll(): List<TagEntity>
+
+    @Query("SELECT * FROM tags ORDER BY value ASC")
+    fun getAllFlow(): Flow<List<TagEntity>>
+
+    @Query("SELECT * FROM tags WHERE type = :type ORDER BY value ASC")
+    suspend fun getByType(type: String): List<TagEntity>
+
+    @Query("DELETE FROM tags WHERE tagId = :tagId")
+    suspend fun delete(tagId: String)
+
+    // ======================
+    // STATISTICS (returns TagWithUsage)
+    // ======================
+
+    /**
+     * Get most used tags WITH usage counts
+     *
+     * @param limit Maximum number of tags to return
+     */
+    @Query("""
+        SELECT t.tagId, t.type, t.value, t.createdAt, 
+               COUNT(it.imageId) as usage_count 
+        FROM tags t
+        LEFT JOIN image_tags it ON t.tagId = it.tagId
+        GROUP BY t.tagId
+        ORDER BY usage_count DESC
+        LIMIT :limit
+    """)
+    suspend fun getMostUsedTags(limit: Int): List<TagWithUsage>
+
+    /**
+     * Get tag usage count
+     */
+    @Query("""
+        SELECT COUNT(DISTINCT it.imageId)
+        FROM image_tags it
+        WHERE it.tagId = :tagId
+    """)
+    suspend fun getTagUsageCount(tagId: String): Int
+
+    // ======================
+    // PERSON INTEGRATION
+    // ======================
+
+    /**
+     * Get all tags used for images containing a specific person
+     */
+    @Query("""
+        SELECT DISTINCT t.* FROM tags t
+        INNER JOIN image_tags it ON t.tagId = it.tagId
+        INNER JOIN photo_face_tags pft ON it.imageId = pft.imageId
+        INNER JOIN face_models fm ON pft.faceModelId = fm.id
+        WHERE fm.personId = :personId
+        ORDER BY t.value ASC
+    """)
+    suspend fun getTagsForPerson(personId: String): List<TagEntity>
+
+    /**
+     * Get images that have both a specific tag AND contain a specific person
+     */
+    @Query("""
+        SELECT DISTINCT i.* FROM images i
+        INNER JOIN image_tags it ON i.imageId = it.imageId
+        INNER JOIN photo_face_tags pft ON i.imageId = pft.imageId
+        INNER JOIN face_models fm ON pft.faceModelId = fm.id
+        WHERE it.tagId = :tagId AND fm.personId = :personId
+        ORDER BY i.capturedAt DESC
+    """)
+    suspend fun getImagesWithTagAndPerson(
+        tagId: String,
+        personId: String
+    ): List<ImageEntity>
+
+    /**
+     * Get images with tag and person as Flow
+     */
+    @Query("""
+        SELECT DISTINCT i.* FROM images i
+        INNER JOIN image_tags it ON i.imageId = it.imageId
+        INNER JOIN photo_face_tags pft ON i.imageId = pft.imageId
+        INNER JOIN face_models fm ON pft.faceModelId = fm.id
+        WHERE it.tagId = :tagId AND fm.personId = :personId
+        ORDER BY i.capturedAt DESC
+    """)
+    fun getImagesWithTagAndPersonFlow(
+        tagId: String,
+        personId: String
+    ): Flow<List<ImageEntity>>
+
+    /**
+     * Count images with tag and person
+     */
+    @Query("""
+        SELECT COUNT(DISTINCT i.imageId) FROM images i
+        INNER JOIN image_tags it ON i.imageId = it.imageId
+        INNER JOIN photo_face_tags pft ON i.imageId = pft.imageId
+        INNER JOIN face_models fm ON pft.faceModelId = fm.id
+        WHERE it.tagId = :tagId AND fm.personId = :personId
+    """)
+    suspend fun countImagesWithTagAndPerson(
+        tagId: String,
+        personId: String
+    ): Int
+
+    // ======================
+    // AUTO-SUGGESTIONS
+    // ======================
+
+    /**
+     * Suggest tags based on person's relationship
+     *
+     * @param limit Maximum number of suggestions
+     */
+    @Query("""
+        SELECT DISTINCT t.* FROM tags t
+        INNER JOIN image_tags it ON t.tagId = it.tagId
+        INNER JOIN photo_face_tags pft ON it.imageId = pft.imageId
+        INNER JOIN face_models fm ON pft.faceModelId = fm.id
+        INNER JOIN persons p ON fm.personId = p.id
+        WHERE p.relationship = :relationship
+        AND p.id != :excludePersonId
+        GROUP BY t.tagId
+        ORDER BY COUNT(it.imageId) DESC
+        LIMIT :limit
+    """)
+    suspend fun suggestTagsBasedOnRelationship(
+        relationship: String,
+        excludePersonId: String,
+        limit: Int
+    ): List<TagEntity>
+
+    /**
+     * Get tags commonly used with this tag
+     *
+     * @param limit Maximum number of related tags
+     */
+    @Query("""
+        SELECT DISTINCT t2.* FROM tags t2
+        INNER JOIN image_tags it2 ON t2.tagId = it2.tagId
+        WHERE it2.imageId IN (
+            SELECT it1.imageId FROM image_tags it1
+            WHERE it1.tagId = :tagId
+        )
+        AND t2.tagId != :tagId
+        GROUP BY t2.tagId
+        ORDER BY COUNT(it2.imageId) DESC
+        LIMIT :limit
+    """)
+    suspend fun getRelatedTags(
+        tagId: String,
+        limit: Int
+    ): List<TagEntity>
+
+    // ======================
+    // SEARCH
+    // ======================
+
+    /**
+     * Search tags by value (partial match)
+     *
+     * @param limit Maximum number of results
+     */
+    @Query("""
+        SELECT * FROM tags 
+        WHERE value LIKE '%' || :query || '%'
+        ORDER BY value ASC
+        LIMIT :limit
+    """)
+    suspend fun searchTags(query: String, limit: Int): List<TagEntity>
+
+    /**
+     * Search tags with usage count
+     *
+     * @param limit Maximum number of results
+     */
+    @Query("""
+        SELECT t.tagId, t.type, t.value, t.createdAt,
+               COUNT(it.imageId) as usage_count 
+        FROM tags t
+        LEFT JOIN image_tags it ON t.tagId = it.tagId
+        WHERE t.value LIKE '%' || :query || '%'
+        GROUP BY t.tagId
+        ORDER BY usage_count DESC, t.value ASC
+        LIMIT :limit
+    """)
+    suspend fun searchTagsWithUsage(query: String, limit: Int): List<TagWithUsage>
+
+    // ==========================================
+    // STATISTICS QUERIES - ADDED FOR STATS SECTION
+    // ==========================================
+
+    /**
+     * Get system tag statistics (for utilities stats display)
+     * Returns tag value, type, and count of tagged images
+     */
+    @Query("""
+        SELECT 
+            t.value as tagValue,
+            t.type as tagType,
+            COUNT(DISTINCT it.imageId) as imageCount,
+            t.tagId as tagId
+        FROM tags t
+        INNER JOIN image_tags it ON t.tagId = it.tagId
+        WHERE t.type = 'SYSTEM'
+        GROUP BY t.tagId
+        ORDER BY imageCount DESC
+    """)
+    suspend fun getSystemTagStats(): List<TagStat>
+
+    /**
+     * Get system tag statistics (Flow version for reactive UI)
+     */
+    @Query("""
+        SELECT 
+            t.value as tagValue,
+            t.type as tagType,
+            COUNT(DISTINCT it.imageId) as imageCount,
+            t.tagId as tagId
+        FROM tags t
+        INNER JOIN image_tags it ON t.tagId = it.tagId
+        WHERE t.type = 'SYSTEM'
+        GROUP BY t.tagId
+        ORDER BY imageCount DESC
+    """)
+    fun getSystemTagStatsFlow(): Flow<List<TagStat>>
+
+    /**
+     * Get count of photos with a specific system tag
+     */
+    @Query("""
+        SELECT COUNT(DISTINCT it.imageId)
+        FROM image_tags it
+        INNER JOIN tags t ON it.tagId = t.tagId
+        WHERE t.value = :tagValue AND t.type = 'SYSTEM'
+    """)
+    suspend fun getSystemTagCount(tagValue: String): Int
+
+    /**
+     * Get all tag types with counts
+     * Shows breakdown of SYSTEM vs USER vs GENERIC tags
+     */
+    @Query("""
+        SELECT 
+            t.type as tagValue,
+            t.type as tagType,
+            COUNT(DISTINCT t.tagId) as imageCount,
+            '' as tagId
+        FROM tags t
+        GROUP BY t.type
+        ORDER BY imageCount DESC
+    """)
+    suspend fun getTagTypeBreakdown(): List<TagStat>
 }

app/src/main/java/com/placeholder/sherpai2/data/local/entity/Facerecognitionentities.kt

@@ -0,0 +1,231 @@
+package com.placeholder.sherpai2.data.local.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.Index
+import androidx.room.PrimaryKey
+import java.util.UUID
+
+/**
+ * PersonEntity - NO DEFAULT VALUES for KSP compatibility
+ */
+@Entity(
+    tableName = "persons",
+    indices = [Index(value = ["name"])]
+)
+data class PersonEntity(
+    @PrimaryKey
+    @ColumnInfo(name = "id")
+    val id: String,                    // ← No default
+
+    @ColumnInfo(name = "name")
+    val name: String,
+
+    @ColumnInfo(name = "dateOfBirth")
+    val dateOfBirth: Long?,
+
+    @ColumnInfo(name = "relationship")
+    val relationship: String?,
+
+    @ColumnInfo(name = "createdAt")
+    val createdAt: Long,               // ← No default
+
+    @ColumnInfo(name = "updatedAt")
+    val updatedAt: Long                // ← No default
+) {
+    companion object {
+        fun create(
+            name: String,
+            dateOfBirth: Long? = null,
+            relationship: String? = null
+        ): PersonEntity {
+            val now = System.currentTimeMillis()
+            return PersonEntity(
+                id = UUID.randomUUID().toString(),
+                name = name,
+                dateOfBirth = dateOfBirth,
+                relationship = relationship,
+                createdAt = now,
+                updatedAt = now
+            )
+        }
+    }
+
+    fun getAge(): Int? {
+        if (dateOfBirth == null) return null
+        val now = System.currentTimeMillis()
+        val ageInMillis = now - dateOfBirth
+        return (ageInMillis / (1000L * 60 * 60 * 24 * 365)).toInt()
+    }
+
+    fun getRelationshipEmoji(): String {
+        return when (relationship) {
+            "Family" -> "👨‍👩‍👧‍👦"
+            "Friend" -> "🤝"
+            "Partner" -> "❤️"
+            "Child" -> "👶"
+            "Parent" -> "👪"
+            "Sibling" -> "👫"
+            "Colleague" -> "💼"
+            else -> "👤"
+        }
+    }
+}
+
+/**
+ * FaceModelEntity - NO DEFAULT VALUES
+ */
+@Entity(
+    tableName = "face_models",
+    foreignKeys = [
+        ForeignKey(
+            entity = PersonEntity::class,
+            parentColumns = ["id"],
+            childColumns = ["personId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ],
+    indices = [Index(value = ["personId"], unique = true)]
+)
+data class FaceModelEntity(
+    @PrimaryKey
+    @ColumnInfo(name = "id")
+    val id: String,                    // ← No default
+
+    @ColumnInfo(name = "personId")
+    val personId: String,
+
+    @ColumnInfo(name = "embedding")
+    val embedding: String,
+
+    @ColumnInfo(name = "trainingImageCount")
+    val trainingImageCount: Int,
+
+    @ColumnInfo(name = "averageConfidence")
+    val averageConfidence: Float,
+
+    @ColumnInfo(name = "createdAt")
+    val createdAt: Long,               // ← No default
+
+    @ColumnInfo(name = "updatedAt")
+    val updatedAt: Long,               // ← No default
+
+    @ColumnInfo(name = "lastUsed")
+    val lastUsed: Long?,
+
+    @ColumnInfo(name = "isActive")
+    val isActive: Boolean
+) {
+    companion object {
+        fun create(
+            personId: String,
+            embeddingArray: FloatArray,
+            trainingImageCount: Int,
+            averageConfidence: Float
+        ): FaceModelEntity {
+            val now = System.currentTimeMillis()
+            return FaceModelEntity(
+                id = UUID.randomUUID().toString(),
+                personId = personId,
+                embedding = embeddingArray.joinToString(","),
+                trainingImageCount = trainingImageCount,
+                averageConfidence = averageConfidence,
+                createdAt = now,
+                updatedAt = now,
+                lastUsed = null,
+                isActive = true
+            )
+        }
+    }
+
+    fun getEmbeddingArray(): FloatArray {
+        return embedding.split(",").map { it.toFloat() }.toFloatArray()
+    }
+}
+
+/**
+ * PhotoFaceTagEntity - NO DEFAULT VALUES
+ */
+@Entity(
+    tableName = "photo_face_tags",
+    foreignKeys = [
+        ForeignKey(
+            entity = ImageEntity::class,
+            parentColumns = ["imageId"],
+            childColumns = ["imageId"],
+            onDelete = ForeignKey.CASCADE
+        ),
+        ForeignKey(
+            entity = FaceModelEntity::class,
+            parentColumns = ["id"],
+            childColumns = ["faceModelId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ],
+    indices = [
+        Index(value = ["imageId"]),
+        Index(value = ["faceModelId"]),
+        Index(value = ["imageId", "faceModelId"])
+    ]
+)
+data class PhotoFaceTagEntity(
+    @PrimaryKey
+    @ColumnInfo(name = "id")
+    val id: String,                    // ← No default
+
+    @ColumnInfo(name = "imageId")
+    val imageId: String,
+
+    @ColumnInfo(name = "faceModelId")
+    val faceModelId: String,
+
+    @ColumnInfo(name = "boundingBox")
+    val boundingBox: String,
+
+    @ColumnInfo(name = "confidence")
+    val confidence: Float,
+
+    @ColumnInfo(name = "embedding")
+    val embedding: String,
+
+    @ColumnInfo(name = "detectedAt")
+    val detectedAt: Long,              // ← No default
+
+    @ColumnInfo(name = "verifiedByUser")
+    val verifiedByUser: Boolean,
+
+    @ColumnInfo(name = "verifiedAt")
+    val verifiedAt: Long?
+) {
+    companion object {
+        fun create(
+            imageId: String,
+            faceModelId: String,
+            boundingBox: android.graphics.Rect,
+            confidence: Float,
+            faceEmbedding: FloatArray
+        ): PhotoFaceTagEntity {
+            return PhotoFaceTagEntity(
+                id = UUID.randomUUID().toString(),
+                imageId = imageId,
+                faceModelId = faceModelId,
+                boundingBox = "${boundingBox.left},${boundingBox.top},${boundingBox.right},${boundingBox.bottom}",
+                confidence = confidence,
+                embedding = faceEmbedding.joinToString(","),
+                detectedAt = System.currentTimeMillis(),
+                verifiedByUser = false,
+                verifiedAt = null
+            )
+        }
+    }
+
+    fun getBoundingBox(): android.graphics.Rect {
+        val parts = boundingBox.split(",").map { it.toInt() }
+        return android.graphics.Rect(parts[0], parts[1], parts[2], parts[3])
+    }
+
+    fun getEmbeddingArray(): FloatArray {
+        return embedding.split(",").map { it.toFloat() }.toFloatArray()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/data/local/entity/ImagePersonEntity.kt

@@ -1,40 +0,0 @@
-package com.placeholder.sherpai2.data.local.entity
-
-import androidx.room.Entity
-import androidx.room.ForeignKey
-import androidx.room.Index
-
-@Entity(
-    tableName = "image_persons",
-    primaryKeys = ["imageId", "personId"],
-    foreignKeys = [
-        ForeignKey(
-            entity = ImageEntity::class,
-            parentColumns = ["imageId"],
-            childColumns = ["imageId"],
-            onDelete = ForeignKey.CASCADE
-        ),
-        ForeignKey(
-            entity = PersonEntity::class,
-            parentColumns = ["personId"],
-            childColumns = ["personId"],
-            onDelete = ForeignKey.CASCADE
-        )
-    ],
-    indices = [
-        Index("personId")
-    ]
-)
-data class ImagePersonEntity(
-
-    val imageId: String,
-    val personId: String,
-
-    val confidence: Float,
-    val confirmed: Boolean,
-
-    /**
-     * PUBLIC | PRIVATE
-     */
-    val visibility: String
-)

app/src/main/java/com/placeholder/sherpai2/data/local/entity/PersonsEntity.kt

@@ -1,30 +0,0 @@
-package com.placeholder.sherpai2.data.local.entity
-
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-
-/**
- * Represents a known person.
- *
- * People are separate from generic tags because:
- * - face embeddings
- * - privacy rules
- * - identity merging
- */
-@Entity(tableName = "persons")
-data class PersonEntity(
-
-    @PrimaryKey
-    val personId: String,
-
-    val displayName: String,
-
-    /**
-     * Reference to face embedding storage (ML layer).
-     */
-    val faceEmbeddingId: String?,
-
-    val isHidden: Boolean,
-
-    val createdAt: Long
-)

app/src/main/java/com/placeholder/sherpai2/data/local/entity/TagEntity.kt

@@ -1,30 +1,143 @@
 package com.placeholder.sherpai2.data.local.entity
 
+import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
+import java.util.UUID
 
 /**
- * Represents a conceptual tag.
+ * Tag type constants - MUST be defined BEFORE TagEntity
+ * to avoid KSP initialization order issues
+ */
+object TagType {
+    const val GENERIC = "GENERIC"   // User tags
+    const val SYSTEM = "SYSTEM"     // AI/auto tags
+    const val HIDDEN = "HIDDEN"     // Internal
+}
+
+/**
+ * Common system tag values
+ */
+object SystemTags {
+    const val HAS_FACES = "has_faces"
+    const val MULTIPLE_PEOPLE = "multiple_people"
+    const val LANDSCAPE = "landscape"
+    const val PORTRAIT = "portrait"
+    const val LOW_QUALITY = "low_quality"
+    const val BLURRY = "blurry"
+}
+
+/**
+ * TagEntity - Normalized tag storage
  *
- * Tags are normalized so that:
- * - "park" exists once
- * - many images can reference it
+ * EXPLICIT COLUMN MAPPINGS for KSP compatibility
  */
 @Entity(tableName = "tags")
 data class TagEntity(
 
     @PrimaryKey
+    @ColumnInfo(name = "tagId")
     val tagId: String,
 
-    /**
-     * GENERIC | SYSTEM | HIDDEN
-     */
+    @ColumnInfo(name = "type")
     val type: String,
 
-    /**
-     * Human-readable value, e.g. "park", "sunset"
-     */
+    @ColumnInfo(name = "value")
     val value: String,
 
+    @ColumnInfo(name = "createdAt")
     val createdAt: Long
-)
+) {
+    companion object {
+        /**
+         * Create a generic user tag
+         */
+        fun createUserTag(value: String): TagEntity {
+            return TagEntity(
+                tagId = UUID.randomUUID().toString(),
+                type = TagType.GENERIC,
+                value = value.trim().lowercase(),
+                createdAt = System.currentTimeMillis()
+            )
+        }
+
+        /**
+         * Create a system tag (auto-generated)
+         */
+        fun createSystemTag(value: String): TagEntity {
+            return TagEntity(
+                tagId = UUID.randomUUID().toString(),
+                type = TagType.SYSTEM,
+                value = value.trim().lowercase(),
+                createdAt = System.currentTimeMillis()
+            )
+        }
+
+        /**
+         * Create hidden tag (internal use)
+         */
+        fun createHiddenTag(value: String): TagEntity {
+            return TagEntity(
+                tagId = UUID.randomUUID().toString(),
+                type = TagType.HIDDEN,
+                value = value.trim().lowercase(),
+                createdAt = System.currentTimeMillis()
+            )
+        }
+    }
+
+    /**
+     * Check if this is a user-created tag
+     */
+    fun isUserTag(): Boolean = type == TagType.GENERIC
+
+    /**
+     * Check if this is a system tag
+     */
+    fun isSystemTag(): Boolean = type == TagType.SYSTEM
+
+    /**
+     * Check if this is a hidden tag
+     */
+    fun isHiddenTag(): Boolean = type == TagType.HIDDEN
+
+    /**
+     * Get display value (capitalized for UI)
+     */
+    fun getDisplayValue(): String = value.replaceFirstChar { it.uppercase() }
+}
+
+/**
+ * TagWithUsage - For queries that include usage count
+ *
+ * NOT AN ENTITY - just a POJO for query results
+ * Do NOT add this to @Database entities list!
+ */
+data class TagWithUsage(
+    @ColumnInfo(name = "tagId")
+    val tagId: String,
+
+    @ColumnInfo(name = "type")
+    val type: String,
+
+    @ColumnInfo(name = "value")
+    val value: String,
+
+    @ColumnInfo(name = "createdAt")
+    val createdAt: Long,
+
+    @ColumnInfo(name = "usage_count")
+    val usageCount: Int
+) {
+    /**
+     * Convert to TagEntity (without usage count)
+     */
+    fun toTagEntity(): TagEntity {
+        return TagEntity(
+            tagId = tagId,
+            type = type,
+            value = value,
+            createdAt = createdAt
+        )
+    }
+}

app/src/main/java/com/placeholder/sherpai2/data/local/model/ImageWithEverything.kt

@@ -1,29 +1,46 @@
 package com.placeholder.sherpai2.data.local.model
 
 import androidx.room.Embedded
+import androidx.room.Junction
 import androidx.room.Relation
 import com.placeholder.sherpai2.data.local.entity.*
 
+/**
+ * ImageWithEverything - Fully hydrated image with ALL relationships
+ *
+ * Room loads this in ONE query using @Transaction!
+ * NO N+1 problem - all tags and face tags loaded together
+ *
+ * Usage:
+ * - ImageAggregateDao.observeAllImagesWithEverything()
+ * - Search, Explore, Albums
+ */
 data class ImageWithEverything(
-
     @Embedded
     val image: ImageEntity,
 
+    /**
+     * Tags for this image (via image_tags join table)
+     * Room automatically joins through ImageTagEntity
+     */
     @Relation(
         parentColumn = "imageId",
-        entityColumn = "imageId"
+        entityColumn = "tagId",
+        associateBy = Junction(
+            value = ImageTagEntity::class,
+            parentColumn = "imageId",
+            entityColumn = "tagId"
         )
-    val tags: List<ImageTagEntity>,
+    )
+    val tags: List<TagEntity>,
 
+    /**
+     * Face tags for this image
+     * Room automatically loads all PhotoFaceTagEntity for this imageId
+     */
     @Relation(
         parentColumn = "imageId",
         entityColumn = "imageId"
     )
-    val persons: List<ImagePersonEntity>,
-
-    @Relation(
-        parentColumn = "imageId",
-        entityColumn = "imageId"
-    )
-    val events: List<ImageEventEntity>
+    val faceTags: List<PhotoFaceTagEntity>
 )

app/src/main/java/com/placeholder/sherpai2/data/photos/Photo.kt

@@ -1,23 +0,0 @@
-package com.placeholder.sherpai2.data.photos
-
-import android.net.Uri
-
-data class Photo(
-    val id: Long,
-    val uri: Uri,
-    val title: String? = null,
-    val size: Long,
-    val dateModified: Int
-)
-
-data class Album(
-    val id: String,
-    val title: String,
-    val photos: List<Photo>
-)
-
-data class AlbumPhoto(
-    val id: Int,
-    val imageUrl: String,
-    val description: String
-)

app/src/main/java/com/placeholder/sherpai2/data/repo/PhotoRepository.kt

@@ -1,50 +0,0 @@
-package com.placeholder.sherpai2.data.repo
-
-import android.content.Context
-import android.provider.MediaStore
-import android.content.ContentUris
-import android.net.Uri
-import android.os.Environment
-import android.util.Log
-import com.placeholder.sherpai2.data.photos.Photo
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-import java.io.File
-
-class PhotoRepository(private val context: Context) {
-
-    fun scanExternalStorage(): Result<List<Photo>> {
-        // Best Practice: Use Environment.getExternalStorageDirectory()
-        // only as a fallback or starting point for legacy support.
-        val rootPath = Environment.getExternalStorageDirectory()
-
-        return runCatching {
-            val photos = mutableListOf<Photo>()
-
-            if (rootPath.exists() && rootPath.isDirectory) {
-                // walkTopDown is efficient but can throw AccessDeniedException
-                rootPath.walkTopDown()
-                    .maxDepth(3) // Performance Best Practice: Don't scan the whole phone
-                    .filter { it.isFile && isImageFile(it.extension) }
-                    .forEach { file ->
-                        photos.add(mapFileToPhoto(file))
-                    }
-            }
-            photos
-        }.onFailure { e ->
-            Log.e("PhotoRepo", "Failed to scan filesystem", e)
-        }
-    }
-
-    private fun mapFileToPhoto(file: File): Photo {
-        return Photo(
-            id = file.path.hashCode().toLong(),
-            uri = Uri.fromFile(file),
-            title = file.name,
-            size = file.length(),
-            dateModified = (file.lastModified() / 1000).toInt()
-        )
-    }
-
-    private fun isImageFile(ext: String) = listOf("jpg", "jpeg", "png").contains(ext.lowercase())
-}

app/src/main/java/com/placeholder/sherpai2/data/repository/Facerecognitionrepository.kt

@@ -0,0 +1,400 @@
+package com.placeholder.sherpai2.data.repository
+
+import android.content.Context
+import android.graphics.Bitmap
+import com.placeholder.sherpai2.data.local.dao.FaceModelDao
+import com.placeholder.sherpai2.data.local.dao.ImageDao
+import com.placeholder.sherpai2.data.local.dao.PersonDao
+import com.placeholder.sherpai2.data.local.dao.PhotoFaceTagDao
+import com.placeholder.sherpai2.data.local.entity.*
+import com.placeholder.sherpai2.ml.FaceNetModel
+import com.placeholder.sherpai2.ui.trainingprep.TrainingSanityChecker
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * FaceRecognitionRepository - Complete face recognition system
+ *
+ * USES STRING IDs TO MATCH YOUR SCHEMA:
+ * - PersonEntity.id: String (UUID)
+ * - ImageEntity.imageId: String
+ * - FaceModelEntity.id: String (UUID)
+ * - PhotoFaceTagEntity.id: String (UUID)
+ */
+@Singleton
+class FaceRecognitionRepository @Inject constructor(
+    private val context: Context,
+    private val personDao: PersonDao,
+    private val imageDao: ImageDao,
+    private val faceModelDao: FaceModelDao,
+    private val photoFaceTagDao: PhotoFaceTagDao
+) {
+
+    private val faceNetModel by lazy { FaceNetModel(context) }
+
+    // ======================
+    // TRAINING OPERATIONS
+    // ======================
+
+    /**
+     * Create a new person with face model in one operation.
+     *
+     * @return PersonId (String UUID)
+     */
+    suspend fun createPersonWithFaceModel(
+        personName: String,
+        validImages: List<TrainingSanityChecker.ValidTrainingImage>,
+        onProgress: (Int, Int) -> Unit = { _, _ -> }
+    ): String = withContext(Dispatchers.IO) {
+
+        // Create PersonEntity with UUID
+        val person = PersonEntity.create(name = personName)
+
+        personDao.insert(person)
+
+        // Train face model
+        trainPerson(
+            personId = person.id,
+            validImages = validImages,
+            onProgress = onProgress
+        )
+
+        person.id
+    }
+
+    /**
+     * Train a face recognition model for an existing person.
+     *
+     * @param personId String UUID
+     * @return Face model ID (String UUID)
+     */
+    suspend fun trainPerson(
+        personId: String,
+        validImages: List<TrainingSanityChecker.ValidTrainingImage>,
+        onProgress: (Int, Int) -> Unit = { _, _ -> }
+    ): String = withContext(Dispatchers.Default) {
+
+        val person = personDao.getPersonById(personId)
+            ?: throw IllegalArgumentException("Person with ID $personId not found")
+
+        val embeddings = faceNetModel.generateEmbeddingsBatch(
+            faceBitmaps = validImages.map { it.croppedFaceBitmap },
+            onProgress = onProgress
+        )
+
+        val personEmbedding = faceNetModel.createPersonModel(embeddings)
+
+        val confidences = embeddings.map { embedding ->
+            faceNetModel.calculateSimilarity(personEmbedding, embedding)
+        }
+        val avgConfidence = confidences.average().toFloat()
+
+        val faceModel = FaceModelEntity.create(
+            personId = personId,
+            embeddingArray = personEmbedding,
+            trainingImageCount = validImages.size,
+            averageConfidence = avgConfidence
+        )
+
+        faceModelDao.insertFaceModel(faceModel)
+        faceModel.id
+    }
+
+    /**
+     * Retrain face model with additional images.
+     */
+    suspend fun retrainFaceModel(
+        faceModelId: String,
+        newFaceImages: List<Bitmap>
+    ) = withContext(Dispatchers.Default) {
+
+        val faceModel = faceModelDao.getFaceModelById(faceModelId)
+            ?: throw IllegalArgumentException("Face model $faceModelId not found")
+
+        val existingEmbedding = faceModel.getEmbeddingArray()
+        val newEmbeddings = faceNetModel.generateEmbeddingsBatch(newFaceImages)
+        val allEmbeddings = listOf(existingEmbedding) + newEmbeddings
+        val updatedEmbedding = faceNetModel.createPersonModel(allEmbeddings)
+
+        val confidences = allEmbeddings.map { embedding ->
+            faceNetModel.calculateSimilarity(updatedEmbedding, embedding)
+        }
+        val avgConfidence = confidences.average().toFloat()
+
+        faceModelDao.updateFaceModel(
+            FaceModelEntity.create(
+                personId = faceModel.personId,
+                embeddingArray = updatedEmbedding,
+                trainingImageCount = faceModel.trainingImageCount + newFaceImages.size,
+                averageConfidence = avgConfidence
+            ).copy(
+                id = faceModelId,
+                createdAt = faceModel.createdAt,
+                updatedAt = System.currentTimeMillis()
+            )
+        )
+    }
+
+    // ======================
+    // SCANNING / RECOGNITION
+    // ======================
+
+    /**
+     * Scan an image for faces and tag recognized persons.
+     *
+     * @param imageId String (from ImageEntity.imageId)
+     */
+    suspend fun scanImage(
+        imageId: String,
+        detectedFaces: List<DetectedFace>,
+        threshold: Float = FaceNetModel.SIMILARITY_THRESHOLD_HIGH
+    ): List<PhotoFaceTagEntity> = withContext(Dispatchers.Default) {
+
+        val faceModels = faceModelDao.getAllActiveFaceModels()
+
+        if (faceModels.isEmpty()) {
+            return@withContext emptyList()
+        }
+
+        val tags = mutableListOf<PhotoFaceTagEntity>()
+
+        for (detectedFace in detectedFaces) {
+            val faceEmbedding = faceNetModel.generateEmbedding(detectedFace.croppedBitmap)
+
+            var bestMatch: Pair<String, Float>? = null
+            var highestSimilarity = threshold
+
+            for (faceModel in faceModels) {
+                val modelEmbedding = faceModel.getEmbeddingArray()
+                val similarity = faceNetModel.calculateSimilarity(faceEmbedding, modelEmbedding)
+
+                if (similarity > highestSimilarity) {
+                    highestSimilarity = similarity
+                    bestMatch = Pair(faceModel.id, similarity)
+                }
+            }
+
+            if (bestMatch != null) {
+                val (faceModelId, confidence) = bestMatch
+
+                val tag = PhotoFaceTagEntity.create(
+                    imageId = imageId,
+                    faceModelId = faceModelId,
+                    boundingBox = detectedFace.boundingBox,
+                    confidence = confidence,
+                    faceEmbedding = faceEmbedding
+                )
+
+                tags.add(tag)
+                faceModelDao.updateLastUsed(faceModelId, System.currentTimeMillis())
+            }
+        }
+
+        if (tags.isNotEmpty()) {
+            photoFaceTagDao.insertTags(tags)
+        }
+
+        tags
+    }
+
+    /**
+     * Recognize a single face bitmap (without saving).
+     */
+    suspend fun recognizeFace(
+        faceBitmap: Bitmap,
+        threshold: Float = FaceNetModel.SIMILARITY_THRESHOLD_HIGH
+    ): Pair<String, Float>? = withContext(Dispatchers.Default) {
+
+        val faceEmbedding = faceNetModel.generateEmbedding(faceBitmap)
+        val faceModels = faceModelDao.getAllActiveFaceModels()
+        val modelEmbeddings = faceModels.map { it.id to it.getEmbeddingArray() }
+
+        faceNetModel.findBestMatch(faceEmbedding, modelEmbeddings, threshold)
+    }
+
+    // ======================
+    // SEARCH / QUERY
+    // ======================
+
+    /**
+     * Get all images containing a specific person.
+     *
+     * @param personId String UUID
+     */
+    suspend fun getImagesForPerson(personId: String): List<ImageEntity> = withContext(Dispatchers.IO) {
+
+        val faceModel = faceModelDao.getFaceModelByPersonId(personId)
+            ?: return@withContext emptyList()
+
+        val imageIds = photoFaceTagDao.getImageIdsForFaceModel(faceModel.id)
+        imageDao.getImagesByIds(imageIds)
+    }
+
+    /**
+     * Get images for person as Flow (reactive).
+     */
+    fun getImagesForPersonFlow(personId: String): Flow<List<ImageEntity>> {
+        return photoFaceTagDao.getImageIdsForFaceModelFlow(personId)
+            .map { imageIds ->
+                imageDao.getImagesByIds(imageIds)
+            }
+    }
+
+    /**
+     * Get all persons with face models.
+     */
+    suspend fun getPersonsWithFaceModels(): List<PersonEntity> = withContext(Dispatchers.IO) {
+        val faceModels = faceModelDao.getAllActiveFaceModels()
+        val personIds = faceModels.map { it.personId }
+        personDao.getPersonsByIds(personIds)
+    }
+
+    /**
+     * Get face detection stats for a person.
+     */
+    suspend fun getPersonFaceStats(personId: String): PersonFaceStats? = withContext(Dispatchers.IO) {
+
+        val person = personDao.getPersonById(personId) ?: return@withContext null
+        val faceModel = faceModelDao.getFaceModelByPersonId(personId) ?: return@withContext null
+
+        val imageIds = photoFaceTagDao.getImageIdsForFaceModel(faceModel.id)
+        val allTags = photoFaceTagDao.getAllTagsForFaceModel(faceModel.id)
+
+        val avgConfidence = if (allTags.isNotEmpty()) {
+            allTags.map { it.confidence }.average().toFloat()
+        } else {
+            0f
+        }
+        val lastDetected = allTags.maxOfOrNull { it.detectedAt }
+
+        PersonFaceStats(
+            personId = person.id,
+            personName = person.name,
+            faceModelId = faceModel.id,
+            trainingImageCount = faceModel.trainingImageCount,
+            taggedPhotoCount = imageIds.size,
+            averageConfidence = avgConfidence,
+            lastDetectedAt = lastDetected
+        )
+    }
+
+    /**
+     * Get face tags for an image.
+     */
+    suspend fun getFaceTagsForImage(imageId: String): List<PhotoFaceTagEntity> {
+        return photoFaceTagDao.getTagsForImage(imageId)
+    }
+
+    /**
+     * Get person from a face tag.
+     */
+    suspend fun getPersonForFaceTag(tag: PhotoFaceTagEntity): PersonEntity? = withContext(Dispatchers.IO) {
+        val faceModel = faceModelDao.getFaceModelById(tag.faceModelId) ?: return@withContext null
+        personDao.getPersonById(faceModel.personId)
+    }
+
+    /**
+     * Get face tags with person info for an image.
+     */
+    suspend fun getFaceTagsWithPersons(imageId: String): List<Pair<PhotoFaceTagEntity, PersonEntity>> = withContext(Dispatchers.IO) {
+        val tags = photoFaceTagDao.getTagsForImage(imageId)
+        tags.mapNotNull { tag ->
+            val person = getPersonForFaceTag(tag)
+            if (person != null) tag to person else null
+        }
+    }
+
+    // ======================
+    // VERIFICATION / QUALITY
+    // ======================
+
+    suspend fun verifyFaceTag(tagId: String) {
+        photoFaceTagDao.markTagAsVerified(
+            tagId = tagId,
+            timestamp = System.currentTimeMillis()
+        )
+    }
+
+    suspend fun getUnverifiedTags(): List<PhotoFaceTagEntity> {
+        return photoFaceTagDao.getUnverifiedTags()
+    }
+
+    suspend fun getLowConfidenceTags(threshold: Float = 0.7f): List<PhotoFaceTagEntity> {
+        return photoFaceTagDao.getLowConfidenceTags(threshold)
+    }
+
+    // ======================
+    // MANAGEMENT
+    // ======================
+
+    suspend fun deleteFaceModel(faceModelId: String) = withContext(Dispatchers.IO) {
+        photoFaceTagDao.deleteTagsForFaceModel(faceModelId)
+        faceModelDao.deleteFaceModelById(faceModelId)
+    }
+
+    // Add this method to FaceRecognitionRepository_StringIds.kt
+// Replace the existing createPersonWithFaceModel method with this version:
+
+    /**
+     * Create a new person with face model in one operation.
+     * Now supports full PersonEntity with optional fields.
+     *
+     * @param person PersonEntity with name, DOB, relationship, etc.
+     * @return PersonId (String UUID)
+     */
+    suspend fun createPersonWithFaceModel(
+        person: PersonEntity,
+        validImages: List<TrainingSanityChecker.ValidTrainingImage>,
+        onProgress: (Int, Int) -> Unit = { _, _ -> }
+    ): String = withContext(Dispatchers.IO) {
+
+        // Insert person with all fields
+        personDao.insert(person)
+
+        // Train face model
+        trainPerson(
+            personId = person.id,
+            validImages = validImages,
+            onProgress = onProgress
+        )
+
+        person.id
+    }
+
+    /**
+     * Get face model by ID
+     */
+    suspend fun getFaceModelById(faceModelId: String): FaceModelEntity? = withContext(Dispatchers.IO) {
+        faceModelDao.getFaceModelById(faceModelId)
+    }
+
+    suspend fun deleteTagsForImage(imageId: String) {
+        photoFaceTagDao.deleteTagsForImage(imageId)
+    }
+
+    fun cleanup() {
+        faceNetModel.close()
+    }
+
+
+}
+
+data class DetectedFace(
+    val croppedBitmap: Bitmap,
+    val boundingBox: android.graphics.Rect
+)
+
+data class PersonFaceStats(
+    val personId: String,
+    val personName: String,
+    val faceModelId: String,
+    val trainingImageCount: Int,
+    val taggedPhotoCount: Int,
+    val averageConfidence: Float,
+    val lastDetectedAt: Long?
+)
+

app/src/main/java/com/placeholder/sherpai2/data/service/Autotaggingservice.kt

@@ -0,0 +1,380 @@
+package com.placeholder.sherpai2.data.service
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Color
+import com.placeholder.sherpai2.data.local.dao.ImageTagDao
+import com.placeholder.sherpai2.data.local.dao.PersonDao
+import com.placeholder.sherpai2.data.local.dao.PhotoFaceTagDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.local.entity.ImageTagEntity
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.data.repository.DetectedFace
+import com.placeholder.sherpai2.util.DiagnosticLogger
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.util.Calendar
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlin.math.abs
+
+/**
+ * AutoTaggingService - Intelligent auto-tagging system
+ *
+ * Capabilities:
+ * - Face-based tags (group_photo, selfie, couple)
+ * - Scene tags (portrait, landscape, square orientation)
+ * - Time tags (morning, afternoon, evening, night)
+ * - Quality tags (high_res, low_res)
+ * - Relationship tags (family, friend, colleague from PersonEntity)
+ * - Birthday tags (from PersonEntity DOB)
+ * - Indoor/Outdoor estimation (basic heuristic)
+ */
+@Singleton
+class AutoTaggingService @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao,
+    private val photoFaceTagDao: PhotoFaceTagDao,
+    private val personDao: PersonDao
+) {
+
+    // ======================
+    // MAIN AUTO-TAGGING
+    // ======================
+
+    /**
+     * Auto-tag an image with all applicable system tags
+     *
+     * @return Number of tags applied
+     */
+    suspend fun autoTagImage(
+        imageEntity: ImageEntity,
+        bitmap: Bitmap,
+        detectedFaces: List<DetectedFace>
+    ): Int = withContext(Dispatchers.Default) {
+        val tagsToApply = mutableListOf<String>()
+
+        // Face-count based tags
+        when (detectedFaces.size) {
+            0 -> { /* No face tags */ }
+            1 -> {
+                if (isSelfie(detectedFaces[0], bitmap)) {
+                    tagsToApply.add("selfie")
+                } else {
+                    tagsToApply.add("single_person")
+                }
+            }
+            2 -> tagsToApply.add("couple")
+            in 3..5 -> tagsToApply.add("group_photo")
+            in 6..10 -> {
+                tagsToApply.add("group_photo")
+                tagsToApply.add("large_group")
+            }
+            else -> {
+                tagsToApply.add("group_photo")
+                tagsToApply.add("large_group")
+                tagsToApply.add("crowd")
+            }
+        }
+
+        // Orientation tags
+        val aspectRatio = bitmap.width.toFloat() / bitmap.height.toFloat()
+        when {
+            aspectRatio > 1.3f -> tagsToApply.add("landscape")
+            aspectRatio < 0.77f -> tagsToApply.add("portrait")
+            else -> tagsToApply.add("square")
+        }
+
+        // Resolution tags
+        val megapixels = (bitmap.width * bitmap.height) / 1_000_000f
+        when {
+            megapixels > 2.0f -> tagsToApply.add("high_res")
+            megapixels < 0.5f -> tagsToApply.add("low_res")
+        }
+
+        // Time-based tags
+        val hourOfDay = getHourFromTimestamp(imageEntity.capturedAt)
+        tagsToApply.add(when (hourOfDay) {
+            in 5..10 -> "morning"
+            in 11..16 -> "afternoon"
+            in 17..20 -> "evening"
+            else -> "night"
+        })
+
+        // Indoor/Outdoor estimation (only if image is large enough)
+        if (bitmap.width >= 200 && bitmap.height >= 200) {
+            val isIndoor = estimateIndoorOutdoor(bitmap)
+            tagsToApply.add(if (isIndoor) "indoor" else "outdoor")
+        }
+
+        // Apply all tags
+        var tagsApplied = 0
+        tagsToApply.forEach { tagName ->
+            if (applySystemTag(imageEntity.imageId, tagName)) {
+                tagsApplied++
+            }
+        }
+
+        DiagnosticLogger.d("AutoTag: Applied $tagsApplied tags to image ${imageEntity.imageId}")
+        tagsApplied
+    }
+
+    // ======================
+    // RELATIONSHIP TAGS
+    // ======================
+
+    /**
+     * Tag all images with a person using their relationship tag
+     *
+     * @param personId Person to tag images for
+     * @return Number of tags applied
+     */
+    suspend fun autoTagRelationshipForPerson(personId: String): Int = withContext(Dispatchers.IO) {
+        val person = personDao.getPersonById(personId) ?: return@withContext 0
+        val relationship = person.relationship?.lowercase() ?: return@withContext 0
+
+        // Get face model for this person
+        val faceModels = photoFaceTagDao.getAllTagsForFaceModel(personId)
+        if (faceModels.isEmpty()) return@withContext 0
+
+        val imageIds = faceModels.map { it.imageId }.distinct()
+
+        var tagsApplied = 0
+        imageIds.forEach { imageId ->
+            if (applySystemTag(imageId, relationship)) {
+                tagsApplied++
+            }
+        }
+
+        DiagnosticLogger.i("AutoTag: Applied '$relationship' tag to $tagsApplied images for ${person.name}")
+        tagsApplied
+    }
+
+    /**
+     * Tag relationships for ALL persons in database
+     */
+    suspend fun autoTagAllRelationships(): Int = withContext(Dispatchers.IO) {
+        val persons = personDao.getAllPersons()
+        var totalTags = 0
+
+        persons.forEach { person ->
+            totalTags += autoTagRelationshipForPerson(person.id)
+        }
+
+        DiagnosticLogger.i("AutoTag: Applied $totalTags relationship tags across ${persons.size} persons")
+        totalTags
+    }
+
+    // ======================
+    // BIRTHDAY TAGS
+    // ======================
+
+    /**
+     * Tag images near a person's birthday
+     *
+     * @param personId Person whose birthday to check
+     * @param daysRange Days before/after birthday to consider (default: 3)
+     * @return Number of tags applied
+     */
+    suspend fun autoTagBirthdaysForPerson(
+        personId: String,
+        daysRange: Int = 3
+    ): Int = withContext(Dispatchers.IO) {
+        val person = personDao.getPersonById(personId) ?: return@withContext 0
+        val dateOfBirth = person.dateOfBirth ?: return@withContext 0
+
+        // Get all face tags for this person
+        val faceTags = photoFaceTagDao.getAllTagsForFaceModel(personId)
+        if (faceTags.isEmpty()) return@withContext 0
+
+        var tagsApplied = 0
+
+        faceTags.forEach { faceTag ->
+            // Get the image to check its timestamp
+            val imageId = faceTag.imageId
+
+            // Check if image was captured near birthday
+            if (isNearBirthday(faceTag.detectedAt, dateOfBirth, daysRange)) {
+                if (applySystemTag(imageId, "birthday")) {
+                    tagsApplied++
+                }
+            }
+        }
+
+        DiagnosticLogger.i("AutoTag: Applied 'birthday' tag to $tagsApplied images for ${person.name}")
+        tagsApplied
+    }
+
+    /**
+     * Tag birthdays for ALL persons with DOB
+     */
+    suspend fun autoTagAllBirthdays(daysRange: Int = 3): Int = withContext(Dispatchers.IO) {
+        val persons = personDao.getAllPersons()
+        var totalTags = 0
+
+        persons.forEach { person ->
+            if (person.dateOfBirth != null) {
+                totalTags += autoTagBirthdaysForPerson(person.id, daysRange)
+            }
+        }
+
+        DiagnosticLogger.i("AutoTag: Applied $totalTags birthday tags")
+        totalTags
+    }
+
+    // ======================
+    // HELPER METHODS
+    // ======================
+
+    /**
+     * Check if an image is a selfie based on face size
+     */
+    private fun isSelfie(face: DetectedFace, bitmap: Bitmap): Boolean {
+        val boundingBox = face.boundingBox
+        val faceArea = boundingBox.width() * boundingBox.height()
+        val imageArea = bitmap.width * bitmap.height
+        val faceRatio = faceArea.toFloat() / imageArea.toFloat()
+
+        // Selfie = face takes up significant portion (>15% of image)
+        return faceRatio > 0.15f
+    }
+
+    /**
+     * Get hour of day from timestamp (0-23)
+     */
+    private fun getHourFromTimestamp(timestamp: Long): Int {
+        return Calendar.getInstance().apply {
+            timeInMillis = timestamp
+        }.get(Calendar.HOUR_OF_DAY)
+    }
+
+    /**
+     * Check if a timestamp is near a birthday
+     */
+    private fun isNearBirthday(
+        capturedTimestamp: Long,
+        dobTimestamp: Long,
+        daysRange: Int
+    ): Boolean {
+        val capturedCal = Calendar.getInstance().apply { timeInMillis = capturedTimestamp }
+        val dobCal = Calendar.getInstance().apply { timeInMillis = dobTimestamp }
+
+        val capturedMonth = capturedCal.get(Calendar.MONTH)
+        val capturedDay = capturedCal.get(Calendar.DAY_OF_MONTH)
+        val dobMonth = dobCal.get(Calendar.MONTH)
+        val dobDay = dobCal.get(Calendar.DAY_OF_MONTH)
+
+        if (capturedMonth == dobMonth) {
+            return abs(capturedDay - dobDay) <= daysRange
+        }
+
+        // Handle edge case: birthday near end/start of month
+        // e.g., DOB = Jan 2, captured = Dec 31 (within 3 days)
+        if (abs(capturedMonth - dobMonth) == 1 || abs(capturedMonth - dobMonth) == 11) {
+            val daysInCapturedMonth = capturedCal.getActualMaximum(Calendar.DAY_OF_MONTH)
+            val daysInDobMonth = dobCal.getActualMaximum(Calendar.DAY_OF_MONTH)
+
+            if (capturedMonth < dobMonth || (capturedMonth == 11 && dobMonth == 0)) {
+                // Captured before DOB month
+                val dayDiff = (daysInCapturedMonth - capturedDay) + dobDay
+                return dayDiff <= daysRange
+            } else {
+                // Captured after DOB month
+                val dayDiff = (daysInDobMonth - dobDay) + capturedDay
+                return dayDiff <= daysRange
+            }
+        }
+
+        return false
+    }
+
+    /**
+     * Basic indoor/outdoor estimation using brightness and saturation
+     *
+     * Heuristic:
+     * - Outdoor: Higher brightness (>120), Higher saturation (>0.25)
+     * - Indoor: Lower brightness, Lower saturation
+     */
+    private fun estimateIndoorOutdoor(bitmap: Bitmap): Boolean {
+        // Sample pixels for analysis (don't process entire image)
+        val sampleSize = 100
+        val sampledPixels = mutableListOf<Int>()
+
+        val stepX = bitmap.width / sampleSize.coerceAtMost(bitmap.width)
+        val stepY = bitmap.height / sampleSize.coerceAtMost(bitmap.height)
+
+        for (x in 0 until sampleSize.coerceAtMost(bitmap.width)) {
+            for (y in 0 until sampleSize.coerceAtMost(bitmap.height)) {
+                val px = (x * stepX).coerceIn(0, bitmap.width - 1)
+                val py = (y * stepY).coerceIn(0, bitmap.height - 1)
+                sampledPixels.add(bitmap.getPixel(px, py))
+            }
+        }
+
+        if (sampledPixels.isEmpty()) return true // Default to indoor if sampling fails
+
+        // Calculate average brightness
+        val avgBrightness = sampledPixels.map { pixel ->
+            val r = Color.red(pixel)
+            val g = Color.green(pixel)
+            val b = Color.blue(pixel)
+            (r + g + b) / 3.0f
+        }.average()
+
+        // Calculate color saturation
+        val avgSaturation = sampledPixels.map { pixel ->
+            val hsv = FloatArray(3)
+            Color.colorToHSV(pixel, hsv)
+            hsv[1] // Saturation
+        }.average()
+
+        // Heuristic: Indoor if low brightness OR low saturation
+        return avgBrightness < 120 || avgSaturation < 0.25
+    }
+
+    /**
+     * Apply a system tag to an image (helper to avoid duplicates)
+     *
+     * @return true if tag was applied, false if already exists
+     */
+    private suspend fun applySystemTag(imageId: String, tagName: String): Boolean {
+        return withContext(Dispatchers.IO) {
+            try {
+                // Get or create tag
+                val tag = getOrCreateSystemTag(tagName)
+
+                // Create image-tag link
+                val imageTag = ImageTagEntity(
+                    imageId = imageId,
+                    tagId = tag.tagId,
+                    source = "AUTO",
+                    confidence = 1.0f,
+                    visibility = "PUBLIC",
+                    createdAt = System.currentTimeMillis()
+                )
+
+                imageTagDao.upsert(imageTag)
+                true
+            } catch (e: Exception) {
+                DiagnosticLogger.e("Failed to apply tag '$tagName' to image $imageId", e)
+                false
+            }
+        }
+    }
+
+    /**
+     * Get existing system tag or create new one
+     */
+    private suspend fun getOrCreateSystemTag(tagName: String): TagEntity {
+        return withContext(Dispatchers.IO) {
+            tagDao.getByValue(tagName) ?: run {
+                val newTag = TagEntity.createSystemTag(tagName)
+                tagDao.insert(newTag)
+                newTag
+            }
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/di/DatabaseModule.kt

@@ -3,6 +3,7 @@ package com.placeholder.sherpai2.di
 import android.content.Context
 import androidx.room.Room
 import com.placeholder.sherpai2.data.local.AppDatabase
+import com.placeholder.sherpai2.data.local.dao.*
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -10,19 +11,69 @@ import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import javax.inject.Singleton
 
+/**
+ * DatabaseModule - Provides database and ALL DAOs
+ *
+ * DEVELOPMENT CONFIGURATION:
+ * - fallbackToDestructiveMigration enabled
+ * - No migrations required
+ */
 @Module
 @InstallIn(SingletonComponent::class)
 object DatabaseModule {
 
+    // ===== DATABASE =====
+
     @Provides
     @Singleton
     fun provideDatabase(
         @ApplicationContext context: Context
-    ): AppDatabase {
-        return Room.databaseBuilder(
+    ): AppDatabase =
+        Room.databaseBuilder(
             context,
             AppDatabase::class.java,
             "sherpai.db"
-        ).build()
-    }
+        )
+            .fallbackToDestructiveMigration()
+            .build()
+
+    // ===== CORE DAOs =====
+
+    @Provides
+    fun provideImageDao(db: AppDatabase): ImageDao =
+        db.imageDao()
+
+    @Provides
+    fun provideTagDao(db: AppDatabase): TagDao =
+        db.tagDao()
+
+    @Provides
+    fun provideEventDao(db: AppDatabase): EventDao =
+        db.eventDao()
+
+    @Provides
+    fun provideImageEventDao(db: AppDatabase): ImageEventDao =
+        db.imageEventDao()
+
+    @Provides
+    fun provideImageAggregateDao(db: AppDatabase): ImageAggregateDao =
+        db.imageAggregateDao()
+
+    @Provides
+    fun provideImageTagDao(db: AppDatabase): ImageTagDao =
+        db.imageTagDao()
+
+    // ===== FACE RECOGNITION DAOs =====
+
+    @Provides
+    fun providePersonDao(db: AppDatabase): PersonDao =
+        db.personDao()
+
+    @Provides
+    fun provideFaceModelDao(db: AppDatabase): FaceModelDao =
+        db.faceModelDao()
+
+    @Provides
+    fun providePhotoFaceTagDao(db: AppDatabase): PhotoFaceTagDao =
+        db.photoFaceTagDao()
 }

app/src/main/java/com/placeholder/sherpai2/di/Mlmodule.kt

@@ -0,0 +1,34 @@
+package com.placeholder.sherpai2.di
+
+import android.content.Context
+import com.placeholder.sherpai2.ml.FaceNetModel
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+/**
+ * MLModule - Provides ML-related dependencies
+ *
+ * This module provides FaceNetModel for dependency injection
+ */
+@Module
+@InstallIn(SingletonComponent::class)
+object MLModule {
+
+    /**
+     * Provide FaceNetModel singleton
+     *
+     * FaceNetModel loads the MobileFaceNet TFLite model and manages
+     * face embedding generation for recognition.
+     */
+    @Provides
+    @Singleton
+    fun provideFaceNetModel(
+        @ApplicationContext context: Context
+    ): FaceNetModel {
+        return FaceNetModel(context)
+    }
+}

app/src/main/java/com/placeholder/sherpai2/di/RepositoryModule.kt

@@ -0,0 +1,90 @@
+package com.placeholder.sherpai2.di
+
+import android.content.Context
+import com.placeholder.sherpai2.data.local.dao.FaceModelDao
+import com.placeholder.sherpai2.data.local.dao.ImageDao
+import com.placeholder.sherpai2.data.local.dao.PersonDao
+import com.placeholder.sherpai2.data.local.dao.PhotoFaceTagDao
+import com.placeholder.sherpai2.data.repository.FaceRecognitionRepository
+import com.placeholder.sherpai2.data.repository.TaggingRepositoryImpl
+import com.placeholder.sherpai2.domain.repository.ImageRepository
+import com.placeholder.sherpai2.domain.repository.ImageRepositoryImpl
+import com.placeholder.sherpai2.domain.repository.TaggingRepository
+import dagger.Binds
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+/**
+ * RepositoryModule - Provides repository implementations
+ *
+ * UPDATED TO INCLUDE:
+ * - FaceRecognitionRepository for face recognition operations
+ */
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class RepositoryModule {
+
+    // ===== EXISTING REPOSITORY BINDINGS =====
+
+    @Binds
+    @Singleton
+    abstract fun bindImageRepository(
+        impl: ImageRepositoryImpl
+    ): ImageRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindTaggingRepository(
+        impl: TaggingRepositoryImpl
+    ): TaggingRepository
+
+    // ===== COMPANION OBJECT FOR PROVIDES =====
+
+    companion object {
+
+        /**
+         * Provide FaceRecognitionRepository
+         *
+         * Uses @Provides instead of @Binds because it needs Context parameter
+         * and multiple DAO dependencies
+         *
+         * INJECTED DEPENDENCIES:
+         * - Context: For FaceNetModel initialization
+         * - PersonDao: Access existing persons
+         * - ImageDao: Access existing images
+         * - FaceModelDao: Manage face models
+         * - PhotoFaceTagDao: Manage photo tags
+         *
+         * USAGE IN VIEWMODEL:
+         * ```
+         * @HiltViewModel
+         * class MyViewModel @Inject constructor(
+         *     private val faceRecognitionRepository: FaceRecognitionRepository
+         * ) : ViewModel() {
+         *     // Use repository methods
+         * }
+         * ```
+         */
+        @Provides
+        @Singleton
+        fun provideFaceRecognitionRepository(
+            @ApplicationContext context: Context,
+            personDao: PersonDao,
+            imageDao: ImageDao,
+            faceModelDao: FaceModelDao,
+            photoFaceTagDao: PhotoFaceTagDao
+        ): FaceRecognitionRepository {
+            return FaceRecognitionRepository(
+                context = context,
+                personDao = personDao,
+                imageDao = imageDao,
+                faceModelDao = faceModelDao,
+                photoFaceTagDao = photoFaceTagDao
+            )
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/domain/PhotoFunctions.kt

@@ -1,3 +0,0 @@
-package com.placeholder.sherpai2.domain
-
-//fun getAllPhotos(context: Context): List<Photo> {

app/src/main/java/com/placeholder/sherpai2/domain/PhotoScanner.kt

@@ -1,7 +0,0 @@
-package com.placeholder.sherpai2.domain
-
-import android.content.Context
-
-class PhotoDuplicateScanner(private val context: Context) {
-
-}

app/src/main/java/com/placeholder/sherpai2/domain/repository/ImageRepository.kt

@@ -0,0 +1,47 @@
+package com.placeholder.sherpai2.domain.repository
+
+import com.placeholder.sherpai2.data.local.model.ImageWithEverything
+import kotlinx.coroutines.flow.Flow
+
+/**
+ * Canonical access point for images.
+ *
+ * ViewModels must NEVER talk directly to DAOs.
+ */
+interface ImageRepository {
+
+    /**
+     * Observe a fully-hydrated image graph.
+     *
+     * Used by detail screens.
+     */
+    fun observeImage(imageId: String): Flow<ImageWithEverything>
+
+    /**
+     * Ingest images discovered on device.
+     *
+     * This function:
+     * - deduplicates
+     * - assigns events automatically
+     * - BLOCKS until complete (old behavior)
+     */
+    suspend fun ingestImages()
+
+    /**
+     * Ingest images with progress callback (NEW!)
+     *
+     * @param onProgress Called with (current, total) for progress updates
+     */
+    suspend fun ingestImagesWithProgress(onProgress: (current: Int, total: Int) -> Unit)
+
+    /**
+     * Get total image count (NEW!)
+     * Fast query to check if images already loaded
+     */
+    suspend fun getImageCount(): Int
+
+    fun getAllImages(): Flow<List<ImageWithEverything>>
+    fun findImagesByTag(tag: String): Flow<List<ImageWithEverything>>
+
+    fun getRecentImages(limit: Int): Flow<List<ImageWithEverything>>
+}

app/src/main/java/com/placeholder/sherpai2/domain/repository/ImageRepositoryImpl.kt

@@ -0,0 +1,239 @@
+package com.placeholder.sherpai2.domain.repository
+
+import android.content.ContentUris
+import android.content.Context
+import android.net.Uri
+import android.provider.MediaStore
+import android.util.Log
+import com.placeholder.sherpai2.data.local.dao.EventDao
+import com.placeholder.sherpai2.data.local.dao.ImageAggregateDao
+import com.placeholder.sherpai2.data.local.dao.ImageDao
+import com.placeholder.sherpai2.data.local.dao.ImageEventDao
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.local.model.ImageWithEverything
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.withContext
+import kotlinx.coroutines.yield
+import java.security.MessageDigest
+import java.util.*
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * ImageRepositoryImpl - ENHANCED for large photo collections
+ *
+ * Key improvements:
+ * 1. Batched processing (100 images at a time)
+ * 2. Progress callbacks
+ * 3. Yields to prevent ANR
+ * 4. Fast image count check
+ */
+@Singleton
+class ImageRepositoryImpl @Inject constructor(
+    private val imageDao: ImageDao,
+    private val eventDao: EventDao,
+    private val imageEventDao: ImageEventDao,
+    private val aggregateDao: ImageAggregateDao,
+    @ApplicationContext private val context: Context
+) : ImageRepository {
+
+    override fun observeImage(imageId: String): Flow<ImageWithEverything> {
+        return aggregateDao.observeImageWithEverything(imageId)
+    }
+
+    /**
+     * Get total image count - FAST
+     */
+    override suspend fun getImageCount(): Int = withContext(Dispatchers.IO) {
+        return@withContext imageDao.getImageCount()
+    }
+
+    /**
+     * Original blocking ingestion (for backward compatibility)
+     */
+    override suspend fun ingestImages(): Unit = withContext(Dispatchers.IO) {
+        ingestImagesWithProgress { _, _ -> }
+    }
+
+    /**
+     * Enhanced ingestion with progress tracking
+     * Processes in batches to prevent ANR and memory issues
+     * SCANS ALL FOLDERS RECURSIVELY (including nested directories)
+     */
+    override suspend fun ingestImagesWithProgress(
+        onProgress: (current: Int, total: Int) -> Unit
+    ): Unit = withContext(Dispatchers.IO) {
+        try {
+            val projection = arrayOf(
+                MediaStore.Images.Media._ID,
+                MediaStore.Images.Media.DISPLAY_NAME,
+                MediaStore.Images.Media.DATE_TAKEN,
+                MediaStore.Images.Media.DATE_ADDED,
+                MediaStore.Images.Media.WIDTH,
+                MediaStore.Images.Media.HEIGHT,
+                MediaStore.Images.Media.DATA  // Full file path
+            )
+
+            val sortOrder = "${MediaStore.Images.Media.DATE_ADDED} ASC"
+
+            // IMPORTANT: Don't filter by BUCKET_ID or folder
+            // This scans ALL images on device including nested folders
+            val selection = null  // No WHERE clause = all images
+            val selectionArgs = null
+
+            // First pass: Count total images
+            var totalImages = 0
+            context.contentResolver.query(
+                MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+                arrayOf(MediaStore.Images.Media._ID),
+                selection,
+                selectionArgs,
+                null
+            )?.use { cursor ->
+                totalImages = cursor.count
+            }
+
+            if (totalImages == 0) {
+                Log.i("ImageRepository", "No images found on device")
+                return@withContext
+            }
+
+            Log.i("ImageRepository", "Found $totalImages images to process (ALL folders)")
+            onProgress(0, totalImages)
+
+            // Second pass: Process in batches
+            val batchSize = 100
+            var processed = 0
+
+            context.contentResolver.query(
+                MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+                projection,
+                selection,
+                selectionArgs,
+                sortOrder
+            )?.use { cursor ->
+                val idCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID)
+                val nameCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DISPLAY_NAME)
+                val dateTakenCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATE_TAKEN)
+                val dateAddedCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATE_ADDED)
+                val widthCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.WIDTH)
+                val heightCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.HEIGHT)
+                val dataCol = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
+
+                val batch = mutableListOf<ImageEntity>()
+
+                while (cursor.moveToNext()) {
+                    val id = cursor.getLong(idCol)
+                    val displayName = cursor.getString(nameCol)
+                    val dateTaken = cursor.getLong(dateTakenCol)
+                    val dateAdded = cursor.getLong(dateAddedCol)
+                    val width = cursor.getInt(widthCol)
+                    val height = cursor.getInt(heightCol)
+                    val filePath = cursor.getString(dataCol)
+
+                    val contentUri: Uri = ContentUris.withAppendedId(
+                        MediaStore.Images.Media.EXTERNAL_CONTENT_URI, id
+                    )
+
+                    // Skip SHA256 computation for speed - use URI as unique identifier
+                    val sha256 = computeSHA256Fast(contentUri) ?: contentUri.toString()
+
+                    val imageEntity = ImageEntity(
+                        imageId = UUID.randomUUID().toString(),
+                        imageUri = contentUri.toString(),
+                        sha256 = sha256,
+                        capturedAt = if (dateTaken > 0) dateTaken else dateAdded * 1000,
+                        ingestedAt = System.currentTimeMillis(),
+                        width = width,
+                        height = height,
+                        source = determineSource(filePath)
+                    )
+
+                    batch.add(imageEntity)
+                    processed++
+
+                    // Insert batch and update progress
+                    if (batch.size >= batchSize) {
+                        imageDao.insertImages(batch)
+                        batch.clear()
+
+                        // Update progress on main thread
+                        withContext(Dispatchers.Main) {
+                            onProgress(processed, totalImages)
+                        }
+
+                        // Yield to prevent blocking
+                        yield()
+
+                        Log.d("ImageRepository", "Processed $processed/$totalImages images")
+                    }
+                }
+
+                // Insert remaining batch
+                if (batch.isNotEmpty()) {
+                    imageDao.insertImages(batch)
+                    withContext(Dispatchers.Main) {
+                        onProgress(processed, totalImages)
+                    }
+                }
+            }
+
+            Log.i("ImageRepository", "Ingestion complete: $processed images from ALL folders")
+
+        } catch (e: Exception) {
+            Log.e("ImageRepository", "Error ingesting images", e)
+            throw e
+        }
+    }
+
+    /**
+     * Determine image source from file path
+     */
+    private fun determineSource(filePath: String?): String {
+        if (filePath == null) return "CAMERA"
+
+        return when {
+            filePath.contains("DCIM", ignoreCase = true) -> "CAMERA"
+            filePath.contains("Screenshot", ignoreCase = true) -> "SCREENSHOT"
+            filePath.contains("Download", ignoreCase = true) -> "IMPORTED"
+            filePath.contains("WhatsApp", ignoreCase = true) -> "IMPORTED"
+            else -> "CAMERA"
+        }
+    }
+
+    /**
+     * Fast SHA256 computation - only reads first 8KB for speed
+     * For 10,000+ images, this saves significant time
+     */
+    private fun computeSHA256Fast(uri: Uri): String? {
+        return try {
+            val digest = MessageDigest.getInstance("SHA-256")
+            context.contentResolver.openInputStream(uri)?.use { input ->
+                // Only read first 8KB for uniqueness check
+                val buffer = ByteArray(8192)
+                val read = input.read(buffer)
+                if (read > 0) {
+                    digest.update(buffer, 0, read)
+                }
+            } ?: return null
+            digest.digest().joinToString("") { "%02x".format(it) }
+        } catch (e: Exception) {
+            Log.e("ImageRepository", "Failed SHA256 for $uri", e)
+            null
+        }
+    }
+
+    override fun getAllImages(): Flow<List<ImageWithEverything>> {
+        return aggregateDao.observeAllImagesWithEverything()
+    }
+
+    override fun findImagesByTag(tag: String): Flow<List<ImageWithEverything>> {
+        return aggregateDao.observeImagesWithTag(tag)
+    }
+
+    override fun getRecentImages(limit: Int): Flow<List<ImageWithEverything>> {
+        return imageDao.getRecentImages(limit)
+    }
+}

app/src/main/java/com/placeholder/sherpai2/domain/repository/TaggingRepository.kt

@@ -0,0 +1,30 @@
+package com.placeholder.sherpai2.domain.repository
+
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import kotlinx.coroutines.flow.Flow
+
+/**
+ * Handles all tagging operations.
+ *
+ * This repository is the ONLY place where:
+ * - tags are attached
+ * - visibility rules are applied
+ */
+interface TaggingRepository {
+
+    suspend fun addTagToImage(
+        imageId: String,
+        tagValue: String,
+        source: String,
+        confidence: Float
+    )
+
+    suspend fun hideTagForImage(
+        imageId: String,
+        tagValue: String
+    )
+
+    fun getTagsForImage(imageId: String): Flow<List<TagEntity>>
+
+    suspend fun removeTagFromImage(imageId: String, tagId: String)
+}

app/src/main/java/com/placeholder/sherpai2/domain/repository/TaggingRepositoryImpl.kt

@@ -0,0 +1,97 @@
+package com.placeholder.sherpai2.data.repository
+
+import com.placeholder.sherpai2.data.local.dao.ImageTagDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.ImageTagEntity
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.domain.repository.TaggingRepository
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ *
+ *
+ * Critical design decisions here
+ *
+ * Tag normalization happens once
+ *
+ * Visibility rules live here
+ *
+ * ML and manual tagging share the same path
+ */
+
+@Singleton
+class TaggingRepositoryImpl @Inject constructor(
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao
+) : TaggingRepository {
+
+    override suspend fun addTagToImage(
+        imageId: String,
+        tagValue: String,
+        source: String,
+        confidence: Float
+    ) {
+        // Step 1: normalize tag
+        val normalized = tagValue.trim().lowercase()
+
+        // Step 2: ensure tag exists
+        val tag = tagDao.getByValue(normalized)
+            ?: TagEntity(
+                tagId = "tag_$normalized",
+                type = "GENERIC",
+                value = normalized,
+                createdAt = System.currentTimeMillis()
+            ).also { tagDao.insert(it) }
+
+        // Step 3: attach tag to image
+        imageTagDao.upsert(
+            ImageTagEntity(
+                imageId = imageId,
+                tagId = tag.tagId,
+                source = source,
+                confidence = confidence,
+                visibility = "PUBLIC",
+                createdAt = System.currentTimeMillis()
+            )
+        )
+    }
+
+    override suspend fun hideTagForImage(
+        imageId: String,
+        tagValue: String
+    ) {
+        val tag = tagDao.getByValue(tagValue) ?: return
+
+        imageTagDao.upsert(
+            ImageTagEntity(
+                imageId = imageId,
+                tagId = tag.tagId,
+                source = "MANUAL",
+                confidence = 1.0f,
+                visibility = "HIDDEN",
+                createdAt = System.currentTimeMillis()
+            )
+        )
+    }
+
+    override fun getTagsForImage(imageId: String): Flow<List<TagEntity>> {
+        // Join imageTagDao -> tagDao to get all PUBLIC tags for this image
+        return imageTagDao.getTagsForImage(imageId)
+    }
+
+    override suspend fun removeTagFromImage(imageId: String, tagId: String) {
+        // Mark the tag as hidden instead of deleting, keeping the visibility logic
+        imageTagDao.upsert(
+            ImageTagEntity(
+                imageId = imageId,
+                tagId = tagId,
+                source = "MANUAL",
+                confidence = 1.0f,
+                visibility = "HIDDEN",
+                createdAt = System.currentTimeMillis()
+            )
+        )
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ml/FaceNetModel.kt

@@ -0,0 +1,204 @@
+package com.placeholder.sherpai2.ml
+
+import android.content.Context
+import android.graphics.Bitmap
+import org.tensorflow.lite.Interpreter
+import java.io.FileInputStream
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+import java.nio.MappedByteBuffer
+import java.nio.channels.FileChannel
+import kotlin.math.sqrt
+
+/**
+ * FaceNetModel - MobileFaceNet wrapper for face recognition
+ *
+ * CLEAN IMPLEMENTATION:
+ * - All IDs are Strings (matching your schema)
+ * - Generates 192-dimensional embeddings
+ * - Cosine similarity for matching
+ */
+class FaceNetModel(private val context: Context) {
+
+    companion object {
+        private const val MODEL_FILE = "mobilefacenet.tflite"
+        private const val INPUT_SIZE = 112
+        private const val EMBEDDING_SIZE = 192
+
+        const val SIMILARITY_THRESHOLD_HIGH = 0.7f
+        const val SIMILARITY_THRESHOLD_MEDIUM = 0.6f
+        const val SIMILARITY_THRESHOLD_LOW = 0.5f
+    }
+
+    private var interpreter: Interpreter? = null
+
+    init {
+        try {
+            val model = loadModelFile()
+            interpreter = Interpreter(model)
+        } catch (e: Exception) {
+            throw RuntimeException("Failed to load FaceNet model", e)
+        }
+    }
+
+    /**
+     * Load TFLite model from assets
+     */
+    private fun loadModelFile(): MappedByteBuffer {
+        val fileDescriptor = context.assets.openFd(MODEL_FILE)
+        val inputStream = FileInputStream(fileDescriptor.fileDescriptor)
+        val fileChannel = inputStream.channel
+        val startOffset = fileDescriptor.startOffset
+        val declaredLength = fileDescriptor.declaredLength
+        return fileChannel.map(FileChannel.MapMode.READ_ONLY, startOffset, declaredLength)
+    }
+
+    /**
+     * Generate embedding for a single face
+     *
+     * @param faceBitmap Cropped face image (will be resized to 112x112)
+     * @return 192-dimensional embedding
+     */
+    fun generateEmbedding(faceBitmap: Bitmap): FloatArray {
+        val resized = Bitmap.createScaledBitmap(faceBitmap, INPUT_SIZE, INPUT_SIZE, true)
+        val inputBuffer = preprocessImage(resized)
+        val output = Array(1) { FloatArray(EMBEDDING_SIZE) }
+
+        interpreter?.run(inputBuffer, output)
+
+        return normalizeEmbedding(output[0])
+    }
+
+    /**
+     * Generate embeddings for multiple faces (batch processing)
+     */
+    fun generateEmbeddingsBatch(
+        faceBitmaps: List<Bitmap>,
+        onProgress: (Int, Int) -> Unit = { _, _ -> }
+    ): List<FloatArray> {
+        return faceBitmaps.mapIndexed { index, bitmap ->
+            onProgress(index + 1, faceBitmaps.size)
+            generateEmbedding(bitmap)
+        }
+    }
+
+    /**
+     * Create person model by averaging multiple embeddings
+     */
+    fun createPersonModel(embeddings: List<FloatArray>): FloatArray {
+        require(embeddings.isNotEmpty()) { "Need at least one embedding" }
+
+        val averaged = FloatArray(EMBEDDING_SIZE) { 0f }
+
+        embeddings.forEach { embedding ->
+            for (i in embedding.indices) {
+                averaged[i] += embedding[i]
+            }
+        }
+
+        val count = embeddings.size.toFloat()
+        for (i in averaged.indices) {
+            averaged[i] /= count
+        }
+
+        return normalizeEmbedding(averaged)
+    }
+
+    /**
+     * Calculate cosine similarity between two embeddings
+     * Returns value between -1.0 and 1.0 (higher = more similar)
+     */
+    fun calculateSimilarity(embedding1: FloatArray, embedding2: FloatArray): Float {
+        require(embedding1.size == EMBEDDING_SIZE && embedding2.size == EMBEDDING_SIZE) {
+            "Invalid embedding size"
+        }
+
+        var dotProduct = 0f
+        var norm1 = 0f
+        var norm2 = 0f
+
+        for (i in embedding1.indices) {
+            dotProduct += embedding1[i] * embedding2[i]
+            norm1 += embedding1[i] * embedding1[i]
+            norm2 += embedding2[i] * embedding2[i]
+        }
+
+        return dotProduct / (sqrt(norm1) * sqrt(norm2))
+    }
+
+    /**
+     * Find best matching face model from a list
+     *
+     * @param faceEmbedding Embedding to match
+     * @param modelEmbeddings List of (modelId: String, embedding: FloatArray)
+     * @param threshold Minimum similarity threshold
+     * @return Pair of (modelId: String, confidence: Float) or null
+     */
+    fun findBestMatch(
+        faceEmbedding: FloatArray,
+        modelEmbeddings: List<Pair<String, FloatArray>>,
+        threshold: Float = SIMILARITY_THRESHOLD_HIGH
+    ): Pair<String, Float>? {
+        var bestMatch: Pair<String, Float>? = null
+        var highestSimilarity = threshold
+
+        for ((modelId, modelEmbedding) in modelEmbeddings) {
+            val similarity = calculateSimilarity(faceEmbedding, modelEmbedding)
+
+            if (similarity > highestSimilarity) {
+                highestSimilarity = similarity
+                bestMatch = Pair(modelId, similarity)
+            }
+        }
+
+        return bestMatch
+    }
+
+    /**
+     * Preprocess image for model input
+     */
+    private fun preprocessImage(bitmap: Bitmap): ByteBuffer {
+        val buffer = ByteBuffer.allocateDirect(4 * INPUT_SIZE * INPUT_SIZE * 3)
+        buffer.order(ByteOrder.nativeOrder())
+
+        val pixels = IntArray(INPUT_SIZE * INPUT_SIZE)
+        bitmap.getPixels(pixels, 0, INPUT_SIZE, 0, 0, INPUT_SIZE, INPUT_SIZE)
+
+        for (pixel in pixels) {
+            val r = ((pixel shr 16) and 0xFF) / 255.0f
+            val g = ((pixel shr 8) and 0xFF) / 255.0f
+            val b = (pixel and 0xFF) / 255.0f
+
+            buffer.putFloat((r - 0.5f) / 0.5f)
+            buffer.putFloat((g - 0.5f) / 0.5f)
+            buffer.putFloat((b - 0.5f) / 0.5f)
+        }
+
+        return buffer
+    }
+
+    /**
+     * Normalize embedding to unit length
+     */
+    private fun normalizeEmbedding(embedding: FloatArray): FloatArray {
+        var norm = 0f
+        for (value in embedding) {
+            norm += value * value
+        }
+        norm = sqrt(norm)
+
+        return if (norm > 0) {
+            FloatArray(embedding.size) { i -> embedding[i] / norm }
+        } else {
+            embedding
+        }
+    }
+
+    /**
+     * Clean up resources
+     */
+    fun close() {
+        interpreter?.close()
+        interpreter = null
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ml/Thresholdstrategy.kt

@@ -0,0 +1,127 @@
+package com.placeholder.sherpai2.ml
+
+/**
+ * ThresholdStrategy - Smart threshold selection for face recognition
+ *
+ * Considers:
+ * - Training image count
+ * - Image quality
+ * - Detection context (group photo, selfie, etc.)
+ */
+object ThresholdStrategy {
+
+    /**
+     * Get optimal threshold for face recognition
+     *
+     * @param trainingCount Number of images used to train the model
+     * @param imageQuality Quality assessment of the image being scanned
+     * @param detectionContext Context of the detection (group, selfie, etc.)
+     * @return Similarity threshold (0.0 - 1.0)
+     */
+    fun getOptimalThreshold(
+        trainingCount: Int,
+        imageQuality: ImageQuality = ImageQuality.UNKNOWN,
+        detectionContext: DetectionContext = DetectionContext.GENERAL
+    ): Float {
+        // Base threshold from training count
+        val baseThreshold = when {
+            trainingCount >= 40 -> 0.68f  // High confidence - strict
+            trainingCount >= 30 -> 0.62f  // Good confidence - moderate-strict
+            trainingCount >= 20 -> 0.56f  // Moderate confidence
+            trainingCount >= 15 -> 0.50f  // Acceptable confidence - lenient
+            else -> 0.48f                  // Sparse training - very lenient
+        }
+
+        // Adjust based on image quality
+        val qualityAdjustment = when (imageQuality) {
+            ImageQuality.HIGH -> -0.02f    // Can be stricter with good quality
+            ImageQuality.MEDIUM -> 0f      // No change
+            ImageQuality.LOW -> +0.03f     // Be more lenient with poor quality
+            ImageQuality.UNKNOWN -> 0f     // No change
+        }
+
+        // Adjust based on detection context
+        val contextAdjustment = when (detectionContext) {
+            DetectionContext.GROUP_PHOTO -> +0.02f   // More lenient in groups (faces smaller)
+            DetectionContext.SELFIE -> -0.03f         // Stricter for close-ups (more detail)
+            DetectionContext.PROFILE -> +0.02f        // More lenient for side profiles
+            DetectionContext.DISTANT -> +0.03f        // More lenient for far away faces
+            DetectionContext.GENERAL -> 0f            // No change
+        }
+
+        // Combine adjustments and clamp to safe range
+        return (baseThreshold + qualityAdjustment + contextAdjustment).coerceIn(0.40f, 0.75f)
+    }
+
+    /**
+     * Get threshold for liberal matching (e.g., during testing)
+     */
+    fun getLiberalThreshold(trainingCount: Int): Float {
+        return when {
+            trainingCount >= 30 -> 0.52f
+            trainingCount >= 20 -> 0.48f
+            else -> 0.45f
+        }.coerceIn(0.40f, 0.65f)
+    }
+
+    /**
+     * Get threshold for conservative matching (minimize false positives)
+     */
+    fun getConservativeThreshold(trainingCount: Int): Float {
+        return when {
+            trainingCount >= 40 -> 0.72f
+            trainingCount >= 30 -> 0.68f
+            trainingCount >= 20 -> 0.62f
+            else -> 0.58f
+        }.coerceIn(0.55f, 0.75f)
+    }
+
+    /**
+     * Estimate image quality from bitmap properties
+     */
+    fun estimateImageQuality(width: Int, height: Int, fileSize: Long = 0): ImageQuality {
+        val megapixels = (width * height) / 1_000_000f
+
+        return when {
+            megapixels > 4.0f -> ImageQuality.HIGH
+            megapixels > 1.0f -> ImageQuality.MEDIUM
+            else -> ImageQuality.LOW
+        }
+    }
+
+    /**
+     * Estimate detection context from face count and face size
+     */
+    fun estimateDetectionContext(
+        faceCount: Int,
+        faceAreaRatio: Float = 0f
+    ): DetectionContext {
+        return when {
+            faceCount == 1 && faceAreaRatio > 0.15f -> DetectionContext.SELFIE
+            faceCount == 1 && faceAreaRatio < 0.05f -> DetectionContext.DISTANT
+            faceCount >= 3 -> DetectionContext.GROUP_PHOTO
+            else -> DetectionContext.GENERAL
+        }
+    }
+}
+
+/**
+ * Image quality assessment
+ */
+enum class ImageQuality {
+    HIGH,     // > 4MP, good lighting
+    MEDIUM,   // 1-4MP
+    LOW,      // < 1MP, poor quality
+    UNKNOWN   // Cannot determine
+}
+
+/**
+ * Detection context
+ */
+enum class DetectionContext {
+    GROUP_PHOTO,  // Multiple faces (3+)
+    SELFIE,       // Single face, close-up
+    PROFILE,      // Side view
+    DISTANT,      // Face is small in frame
+    GENERAL       // Default
+}

app/src/main/java/com/placeholder/sherpai2/ui/album/Albumviewmodel.kt

@@ -0,0 +1,320 @@
+package com.placeholder.sherpai2.ui.album
+
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.dao.ImageDao
+import com.placeholder.sherpai2.data.local.dao.ImageTagDao
+import com.placeholder.sherpai2.data.local.dao.PersonDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.local.entity.PersonEntity
+import com.placeholder.sherpai2.data.local.entity.PhotoFaceTagEntity
+import com.placeholder.sherpai2.data.repository.FaceRecognitionRepository
+import com.placeholder.sherpai2.ui.search.DateRange
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import java.util.Calendar
+import javax.inject.Inject
+
+/**
+ * AlbumViewModel - Display photos from a specific album (tag, person, or time range)
+ *
+ * Features:
+ * - Search within album
+ * - Date filtering
+ * - Album stats
+ * - Export functionality
+ */
+@HiltViewModel
+class AlbumViewModel @Inject constructor(
+    savedStateHandle: SavedStateHandle,
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao,
+    private val imageDao: ImageDao,
+    private val personDao: PersonDao,
+    private val faceRecognitionRepository: FaceRecognitionRepository
+) : ViewModel() {
+
+    // Album parameters from navigation
+    private val albumType: String = savedStateHandle["albumType"] ?: "tag"
+    private val albumId: String = savedStateHandle["albumId"] ?: ""
+
+    // UI state
+    private val _uiState = MutableStateFlow<AlbumUiState>(AlbumUiState.Loading)
+    val uiState: StateFlow<AlbumUiState> = _uiState.asStateFlow()
+
+    // Search query within album
+    private val _searchQuery = MutableStateFlow("")
+    val searchQuery: StateFlow<String> = _searchQuery.asStateFlow()
+
+    // Date range filter
+    private val _dateRange = MutableStateFlow(DateRange.ALL_TIME)
+    val dateRange: StateFlow<DateRange> = _dateRange.asStateFlow()
+
+    init {
+        loadAlbumData()
+    }
+
+    /**
+     * Load album data based on type
+     */
+    private fun loadAlbumData() {
+        viewModelScope.launch {
+            try {
+                _uiState.value = AlbumUiState.Loading
+
+                when (albumType) {
+                    "tag" -> loadTagAlbum()
+                    "person" -> loadPersonAlbum()
+                    "time" -> loadTimeAlbum()
+                    else -> _uiState.value = AlbumUiState.Error("Unknown album type")
+                }
+
+            } catch (e: Exception) {
+                _uiState.value = AlbumUiState.Error(e.message ?: "Failed to load album")
+            }
+        }
+    }
+
+    private suspend fun loadTagAlbum() {
+        val tag = tagDao.getByValue(albumId)
+        if (tag == null) {
+            _uiState.value = AlbumUiState.Error("Tag not found")
+            return
+        }
+
+        combine(
+            _searchQuery,
+            _dateRange
+        ) { query: String, dateRange: DateRange ->
+            Pair(query, dateRange)
+        }.collectLatest { (query, dateRange) ->
+            val imageIds = imageTagDao.findImagesByTag(tag.tagId, 0.5f)
+            val images = imageDao.getImagesByIds(imageIds)
+
+            val filteredImages = images
+                .filter { isInDateRange(it.capturedAt, dateRange) }
+                .filter {
+                    query.isBlank() || containsQuery(it, query)
+                }
+
+            val imagesWithFaces = filteredImages.map { image ->
+                val tagsWithPersons = faceRecognitionRepository.getFaceTagsWithPersons(image.imageId)
+                AlbumPhoto(
+                    image = image,
+                    faceTags = tagsWithPersons.map { it.first },
+                    persons = tagsWithPersons.map { it.second }
+                )
+            }
+
+            val uniquePersons = imagesWithFaces
+                .flatMap { it.persons }
+                .distinctBy { it.id }
+
+            _uiState.value = AlbumUiState.Success(
+                albumName = tag.value.replace("_", " ").replaceFirstChar { it.uppercase() },
+                albumType = "Tag",
+                photos = imagesWithFaces,
+                personCount = uniquePersons.size,
+                totalFaces = imagesWithFaces.sumOf { it.faceTags.size }
+            )
+        }
+    }
+
+    private suspend fun loadPersonAlbum() {
+        val person = personDao.getPersonById(albumId)
+        if (person == null) {
+            _uiState.value = AlbumUiState.Error("Person not found")
+            return
+        }
+
+        combine(
+            _searchQuery,
+            _dateRange
+        ) { query: String, dateRange: DateRange ->
+            Pair(query, dateRange)
+        }.collectLatest { (query, dateRange) ->
+            val images = faceRecognitionRepository.getImagesForPerson(albumId)
+
+            val filteredImages = images
+                .filter { isInDateRange(it.capturedAt, dateRange) }
+                .filter {
+                    query.isBlank() || containsQuery(it, query)
+                }
+
+            val imagesWithFaces = filteredImages.map { image ->
+                val tagsWithPersons = faceRecognitionRepository.getFaceTagsWithPersons(image.imageId)
+                AlbumPhoto(
+                    image = image,
+                    faceTags = tagsWithPersons.map { it.first },
+                    persons = tagsWithPersons.map { it.second }
+                )
+            }
+
+            _uiState.value = AlbumUiState.Success(
+                albumName = person.name,
+                albumType = "Person",
+                photos = imagesWithFaces,
+                personCount = 1,
+                totalFaces = imagesWithFaces.sumOf { it.faceTags.size }
+            )
+        }
+    }
+
+    private suspend fun loadTimeAlbum() {
+        // Time-based albums (Today, This Week, etc)
+        val (startTime, endTime, albumName) = when (albumId) {
+            "today" -> Triple(getStartOfDay(), System.currentTimeMillis(), "Today")
+            "week" -> Triple(getStartOfWeek(), System.currentTimeMillis(), "This Week")
+            "month" -> Triple(getStartOfMonth(), System.currentTimeMillis(), "This Month")
+            "year" -> Triple(getStartOfYear(), System.currentTimeMillis(), "This Year")
+            else -> {
+                _uiState.value = AlbumUiState.Error("Unknown time range")
+                return
+            }
+        }
+
+        combine(
+            _searchQuery,
+            _dateRange
+        ) { query: String, _: DateRange ->
+            query
+        }.collectLatest { query ->
+            val images = imageDao.getImagesInRange(startTime, endTime)
+
+            val filteredImages = images.filter {
+                query.isBlank() || containsQuery(it, query)
+            }
+
+            val imagesWithFaces = filteredImages.map { image ->
+                val tagsWithPersons = faceRecognitionRepository.getFaceTagsWithPersons(image.imageId)
+                AlbumPhoto(
+                    image = image,
+                    faceTags = tagsWithPersons.map { it.first },
+                    persons = tagsWithPersons.map { it.second }
+                )
+            }
+
+            val uniquePersons = imagesWithFaces
+                .flatMap { it.persons }
+                .distinctBy { it.id }
+
+            _uiState.value = AlbumUiState.Success(
+                albumName = albumName,
+                albumType = "Time",
+                photos = imagesWithFaces,
+                personCount = uniquePersons.size,
+                totalFaces = imagesWithFaces.sumOf { it.faceTags.size }
+            )
+        }
+    }
+
+    fun setSearchQuery(query: String) {
+        _searchQuery.value = query
+    }
+
+    fun setDateRange(range: DateRange) {
+        _dateRange.value = range
+    }
+
+    private fun isInDateRange(timestamp: Long, range: DateRange): Boolean {
+        return when (range) {
+            DateRange.ALL_TIME -> true
+            DateRange.TODAY -> isToday(timestamp)
+            DateRange.THIS_WEEK -> isThisWeek(timestamp)
+            DateRange.THIS_MONTH -> isThisMonth(timestamp)
+            DateRange.THIS_YEAR -> isThisYear(timestamp)
+        }
+    }
+
+    private fun containsQuery(image: ImageEntity, query: String): Boolean {
+        // Could expand to search by person names, tags, etc.
+        return true
+    }
+
+    private fun isToday(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR) &&
+                today.get(Calendar.DAY_OF_YEAR) == date.get(Calendar.DAY_OF_YEAR)
+    }
+
+    private fun isThisWeek(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR) &&
+                today.get(Calendar.WEEK_OF_YEAR) == date.get(Calendar.WEEK_OF_YEAR)
+    }
+
+    private fun isThisMonth(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR) &&
+                today.get(Calendar.MONTH) == date.get(Calendar.MONTH)
+    }
+
+    private fun isThisYear(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR)
+    }
+
+    private fun getStartOfDay(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+
+    private fun getStartOfWeek(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.DAY_OF_WEEK, firstDayOfWeek)
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+
+    private fun getStartOfMonth(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.DAY_OF_MONTH, 1)
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+
+    private fun getStartOfYear(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.DAY_OF_YEAR, 1)
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+}
+
+sealed class AlbumUiState {
+    object Loading : AlbumUiState()
+    data class Success(
+        val albumName: String,
+        val albumType: String,
+        val photos: List<AlbumPhoto>,
+        val personCount: Int,
+        val totalFaces: Int
+    ) : AlbumUiState()
+    data class Error(val message: String) : AlbumUiState()
+}
+
+data class AlbumPhoto(
+    val image: ImageEntity,
+    val faceTags: List<PhotoFaceTagEntity>,
+    val persons: List<PersonEntity>
+)

app/src/main/java/com/placeholder/sherpai2/ui/album/Albumviewscreen.kt

@@ -0,0 +1,481 @@
+package com.placeholder.sherpai2.ui.album
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.grid.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import coil.compose.AsyncImage
+import com.placeholder.sherpai2.ui.search.DateRange
+
+/**
+ * AlbumViewScreen - CLEAN VERSION with Export
+ *
+ * REMOVED:
+ * - DisplayMode toggle
+ * - Verbose person tags
+ *
+ * ADDED:
+ * - Export menu (Folder, Zip, Collage)
+ * - Clean simple layout
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AlbumViewScreen(
+    onBack: () -> Unit,
+    onImageClick: (String) -> Unit,
+    viewModel: AlbumViewModel = hiltViewModel()
+) {
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+    val searchQuery by viewModel.searchQuery.collectAsStateWithLifecycle()
+    val dateRange by viewModel.dateRange.collectAsStateWithLifecycle()
+
+    var showExportMenu by remember { mutableStateOf(false) }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    Column {
+                        when (val state = uiState) {
+                            is AlbumUiState.Success -> {
+                                Text(
+                                    text = state.albumName,
+                                    style = MaterialTheme.typography.titleLarge,
+                                    fontWeight = FontWeight.Bold
+                                )
+                                Text(
+                                    text = "${state.photos.size} photos",
+                                    style = MaterialTheme.typography.bodySmall,
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                                )
+                            }
+                            else -> {
+                                Text("Album")
+                            }
+                        }
+                    }
+                },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.Default.ArrowBack, "Back")
+                    }
+                },
+                actions = {
+                    // Export button
+                    IconButton(onClick = { showExportMenu = true }) {
+                        Icon(Icons.Default.FileDownload, "Export")
+                    }
+                }
+            )
+        }
+    ) { paddingValues ->
+        when (val state = uiState) {
+            is AlbumUiState.Loading -> {
+                Box(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(paddingValues),
+                    contentAlignment = Alignment.Center
+                ) {
+                    CircularProgressIndicator()
+                }
+            }
+            is AlbumUiState.Error -> {
+                Box(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(paddingValues),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Column(
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.spacedBy(8.dp)
+                    ) {
+                        Icon(
+                            Icons.Default.Error,
+                            contentDescription = null,
+                            modifier = Modifier.size(48.dp),
+                            tint = MaterialTheme.colorScheme.error
+                        )
+                        Text(state.message)
+                        Button(onClick = onBack) {
+                            Text("Go Back")
+                        }
+                    }
+                }
+            }
+            is AlbumUiState.Success -> {
+                AlbumContent(
+                    state = state,
+                    searchQuery = searchQuery,
+                    dateRange = dateRange,
+                    onSearchChange = { viewModel.setSearchQuery(it) },
+                    onDateRangeChange = { viewModel.setDateRange(it) },
+                    onImageClick = onImageClick,
+                    modifier = Modifier.padding(paddingValues)
+                )
+            }
+        }
+    }
+
+    // Export menu dialog
+    if (showExportMenu) {
+        ExportDialog(
+            albumName = when (val state = uiState) {
+                is AlbumUiState.Success -> state.albumName
+                else -> "Album"
+            },
+            photoCount = when (val state = uiState) {
+                is AlbumUiState.Success -> state.photos.size
+                else -> 0
+            },
+            onDismiss = { showExportMenu = false },
+            onExportToFolder = {
+                // TODO: Implement folder export
+                showExportMenu = false
+            },
+            onExportToZip = {
+                // TODO: Implement zip export
+                showExportMenu = false
+            },
+            onExportToCollage = {
+                // TODO: Implement collage export
+                showExportMenu = false
+            }
+        )
+    }
+}
+
+@Composable
+private fun AlbumContent(
+    state: AlbumUiState.Success,
+    searchQuery: String,
+    dateRange: DateRange,
+    onSearchChange: (String) -> Unit,
+    onDateRangeChange: (DateRange) -> Unit,
+    onImageClick: (String) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier.fillMaxSize()
+    ) {
+        // Stats card
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+            )
+        ) {
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                horizontalArrangement = Arrangement.SpaceAround
+            ) {
+                StatItem(Icons.Default.Photo, "Photos", state.photos.size.toString())
+                if (state.totalFaces > 0) {
+                    StatItem(Icons.Default.Face, "Faces", state.totalFaces.toString())
+                }
+                if (state.personCount > 0) {
+                    StatItem(Icons.Default.People, "People", state.personCount.toString())
+                }
+            }
+        }
+
+        // Search bar
+        OutlinedTextField(
+            value = searchQuery,
+            onValueChange = onSearchChange,
+            placeholder = { Text("Search in album...") },
+            leadingIcon = { Icon(Icons.Default.Search, null) },
+            trailingIcon = {
+                if (searchQuery.isNotEmpty()) {
+                    IconButton(onClick = { onSearchChange("") }) {
+                        Icon(Icons.Default.Clear, "Clear")
+                    }
+                }
+            },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            singleLine = true,
+            shape = RoundedCornerShape(16.dp)
+        )
+
+        Spacer(Modifier.height(8.dp))
+
+        // Date filters
+        LazyRow(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            horizontalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            items(DateRange.entries.size) { index ->
+                val range = DateRange.entries[index]
+                val isActive = dateRange == range
+                FilterChip(
+                    selected = isActive,
+                    onClick = { onDateRangeChange(range) },
+                    label = { Text(range.displayName) }
+                )
+            }
+        }
+
+        Spacer(Modifier.height(8.dp))
+
+        // Photo grid
+        if (state.photos.isEmpty()) {
+            Box(
+                modifier = Modifier.fillMaxSize(),
+                contentAlignment = Alignment.Center
+            ) {
+                Text(
+                    text = "No photos in this album",
+                    style = MaterialTheme.typography.bodyLarge,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        } else {
+            LazyVerticalGrid(
+                columns = GridCells.Adaptive(120.dp),
+                contentPadding = PaddingValues(12.dp),
+                verticalArrangement = Arrangement.spacedBy(12.dp),
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                modifier = Modifier.fillMaxSize()
+            ) {
+                items(
+                    items = state.photos,
+                    key = { it.image.imageId }
+                ) { photo ->
+                    PhotoCard(
+                        photo = photo,
+                        onImageClick = onImageClick
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun StatItem(
+    icon: androidx.compose.ui.graphics.vector.ImageVector,
+    label: String,
+    value: String
+) {
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(4.dp)
+    ) {
+        Icon(
+            icon,
+            contentDescription = null,
+            modifier = Modifier.size(24.dp),
+            tint = MaterialTheme.colorScheme.primary
+        )
+        Text(
+            text = value,
+            style = MaterialTheme.typography.titleLarge,
+            fontWeight = FontWeight.Bold
+        )
+        Text(
+            text = label,
+            style = MaterialTheme.typography.bodySmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+    }
+}
+
+/**
+ * PhotoCard - CLEAN VERSION: Simple image + person names
+ */
+@Composable
+private fun PhotoCard(
+    photo: AlbumPhoto,
+    onImageClick: (String) -> Unit
+) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .aspectRatio(1f)
+            .clickable { onImageClick(photo.image.imageUri) },
+        shape = RoundedCornerShape(12.dp)
+    ) {
+        Box {
+            // Image
+            AsyncImage(
+                model = photo.image.imageUri,
+                contentDescription = null,
+                modifier = Modifier.fillMaxSize(),
+                contentScale = androidx.compose.ui.layout.ContentScale.Crop
+            )
+
+            // Person names overlay (if any)
+            if (photo.persons.isNotEmpty()) {
+                Surface(
+                    color = MaterialTheme.colorScheme.surface.copy(alpha = 0.9f),
+                    modifier = Modifier
+                        .align(Alignment.BottomCenter)
+                        .fillMaxWidth()
+                ) {
+                    Text(
+                        text = photo.persons.take(2).joinToString(", ") { it.name },
+                        style = MaterialTheme.typography.bodySmall,
+                        modifier = Modifier.padding(8.dp),
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis,
+                        fontWeight = FontWeight.Medium
+                    )
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Export Dialog
+ */
+@Composable
+private fun ExportDialog(
+    albumName: String,
+    photoCount: Int,
+    onDismiss: () -> Unit,
+    onExportToFolder: () -> Unit,
+    onExportToZip: () -> Unit,
+    onExportToCollage: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        icon = { Icon(Icons.Default.FileDownload, null) },
+        title = { Text("Export Album") },
+        text = {
+            Column(
+                modifier = Modifier.fillMaxWidth(),
+                verticalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                Text(
+                    "$photoCount photos from \"$albumName\"",
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+
+                // Export to Folder
+                ExportOption(
+                    icon = Icons.Default.Folder,
+                    title = "Export to Folder",
+                    description = "Save all photos to a folder",
+                    onClick = onExportToFolder
+                )
+
+                // Export to Zip
+                ExportOption(
+                    icon = Icons.Default.FolderZip,
+                    title = "Export as ZIP",
+                    description = "Create a compressed archive",
+                    onClick = onExportToZip
+                )
+
+                // Export to Collage (placeholder)
+                ExportOption(
+                    icon = Icons.Default.GridView,
+                    title = "Create Collage",
+                    description = "Coming soon!",
+                    onClick = onExportToCollage,
+                    enabled = false
+                )
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Cancel")
+            }
+        }
+    )
+}
+
+@Composable
+private fun ExportOption(
+    icon: androidx.compose.ui.graphics.vector.ImageVector,
+    title: String,
+    description: String,
+    onClick: () -> Unit,
+    enabled: Boolean = true
+) {
+    Surface(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(enabled = enabled, onClick = onClick),
+        shape = RoundedCornerShape(12.dp),
+        color = if (enabled) {
+            MaterialTheme.colorScheme.surfaceVariant
+        } else {
+            MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f)
+        }
+    ) {
+        Row(
+            modifier = Modifier.padding(16.dp),
+            horizontalArrangement = Arrangement.spacedBy(16.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Surface(
+                shape = RoundedCornerShape(8.dp),
+                color = MaterialTheme.colorScheme.primary.copy(
+                    alpha = if (enabled) 1f else 0.5f
+                ),
+                modifier = Modifier.size(40.dp)
+            ) {
+                Box(contentAlignment = Alignment.Center) {
+                    Icon(
+                        icon,
+                        contentDescription = null,
+                        modifier = Modifier.size(24.dp),
+                        tint = MaterialTheme.colorScheme.onPrimary
+                    )
+                }
+            }
+
+            Column(modifier = Modifier.weight(1f)) {
+                Text(
+                    title,
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.SemiBold,
+                    color = if (enabled) {
+                        MaterialTheme.colorScheme.onSurface
+                    } else {
+                        MaterialTheme.colorScheme.onSurface.copy(alpha = 0.5f)
+                    }
+                )
+                Text(
+                    description,
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant.copy(
+                        alpha = if (enabled) 1f else 0.5f
+                    )
+                )
+            }
+
+            if (enabled) {
+                Icon(
+                    Icons.Default.ChevronRight,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/devscreens/DummyScreen.kt

@@ -0,0 +1,162 @@
+package com.placeholder.sherpai2.ui.devscreens
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+
+/**
+ * Beautiful placeholder screen for features under development
+ *
+ * Shows:
+ * - Feature name
+ * - Description
+ * - "Coming Soon" indicator
+ * - Consistent styling with rest of app
+ */
+@Composable
+fun DummyScreen(
+    title: String,
+    subtitle: String = "This feature is under development"
+) {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(
+                Brush.verticalGradient(
+                    colors = listOf(
+                        MaterialTheme.colorScheme.surface,
+                        MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f)
+                    )
+                )
+            ),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(24.dp),
+            modifier = Modifier.padding(48.dp)
+        ) {
+
+            // Icon badge
+            Surface(
+                modifier = Modifier.size(96.dp),
+                shape = RoundedCornerShape(24.dp),
+                color = MaterialTheme.colorScheme.primaryContainer,
+                shadowElevation = 8.dp
+            ) {
+                Box(contentAlignment = Alignment.Center) {
+                    Icon(
+                        Icons.Default.Construction,
+                        contentDescription = null,
+                        modifier = Modifier.size(48.dp),
+                        tint = MaterialTheme.colorScheme.primary
+                    )
+                }
+            }
+
+            Spacer(modifier = Modifier.height(8.dp))
+
+            // Title
+            Text(
+                text = title,
+                style = MaterialTheme.typography.headlineMedium,
+                fontWeight = FontWeight.Bold,
+                textAlign = TextAlign.Center
+            )
+
+            // Subtitle
+            Text(
+                text = subtitle,
+                style = MaterialTheme.typography.bodyLarge,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                textAlign = TextAlign.Center,
+                modifier = Modifier.padding(horizontal = 24.dp)
+            )
+
+            Spacer(modifier = Modifier.height(8.dp))
+
+            // Coming soon badge
+            Surface(
+                shape = RoundedCornerShape(16.dp),
+                color = MaterialTheme.colorScheme.tertiaryContainer,
+                shadowElevation = 2.dp
+            ) {
+                Row(
+                    modifier = Modifier.padding(horizontal = 20.dp, vertical = 12.dp),
+                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Icon(
+                        Icons.Default.Schedule,
+                        contentDescription = null,
+                        modifier = Modifier.size(20.dp),
+                        tint = MaterialTheme.colorScheme.onTertiaryContainer
+                    )
+                    Text(
+                        text = "Coming Soon",
+                        style = MaterialTheme.typography.labelLarge,
+                        fontWeight = FontWeight.SemiBold,
+                        color = MaterialTheme.colorScheme.onTertiaryContainer
+                    )
+                }
+            }
+
+            Spacer(modifier = Modifier.height(24.dp))
+
+            // Feature preview card
+            Card(
+                modifier = Modifier.fillMaxWidth(0.8f),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f)
+                ),
+                shape = RoundedCornerShape(16.dp)
+            ) {
+                Column(
+                    modifier = Modifier.padding(20.dp),
+                    verticalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    Text(
+                        text = "What's planned:",
+                        style = MaterialTheme.typography.titleSmall,
+                        fontWeight = FontWeight.Bold
+                    )
+
+                    FeatureItem("Full implementation")
+                    FeatureItem("Beautiful UI design")
+                    FeatureItem("Smooth animations")
+                    FeatureItem("Production-ready code")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun FeatureItem(text: String) {
+    Row(
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Icon(
+            Icons.Default.CheckCircle,
+            contentDescription = null,
+            modifier = Modifier.size(16.dp),
+            tint = MaterialTheme.colorScheme.primary
+        )
+        Text(
+            text = text,
+            style = MaterialTheme.typography.bodyMedium,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/explore/Explorescreen.kt

@@ -0,0 +1,489 @@
+package com.placeholder.sherpai2.ui.explore
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+
+/**
+ * CLEANED ExploreScreen - No gradient header banner
+ *
+ * Removed:
+ * - Gradient header box (lines 46-75) that created banner effect
+ * - "Explore" title (MainScreen shows it)
+ *
+ * Features:
+ * - Rectangular album cards (compact)
+ * - Stories section (recent highlights)
+ * - Clickable navigation to AlbumViewScreen
+ * - Beautiful gradients and icons
+ * - Mobile-friendly scrolling
+ */
+@Composable
+fun ExploreScreen(
+    onAlbumClick: (albumType: String, albumId: String) -> Unit,
+    viewModel: ExploreViewModel = hiltViewModel(),
+    modifier: Modifier = Modifier
+) {
+    val uiState by viewModel.uiState.collectAsState()
+
+    Box(modifier = modifier.fillMaxSize()) {
+        when (val state = uiState) {
+            is ExploreViewModel.ExploreUiState.Loading -> {
+                Box(
+                    modifier = Modifier.fillMaxSize(),
+                    contentAlignment = Alignment.Center
+                ) {
+                    CircularProgressIndicator()
+                }
+            }
+
+            is ExploreViewModel.ExploreUiState.Success -> {
+                if (state.smartAlbums.isEmpty()) {
+                    EmptyExploreView()
+                } else {
+                    ExploreContent(
+                        smartAlbums = state.smartAlbums,
+                        onAlbumClick = onAlbumClick
+                    )
+                }
+            }
+
+            is ExploreViewModel.ExploreUiState.Error -> {
+                Box(
+                    modifier = Modifier.fillMaxSize(),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Column(
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.spacedBy(12.dp),
+                        modifier = Modifier.padding(32.dp)
+                    ) {
+                        Icon(
+                            Icons.Default.Error,
+                            contentDescription = null,
+                            modifier = Modifier.size(64.dp),
+                            tint = MaterialTheme.colorScheme.error
+                        )
+                        Text(
+                            text = "Error Loading Albums",
+                            style = MaterialTheme.typography.titleLarge,
+                            fontWeight = FontWeight.Bold
+                        )
+                        Text(
+                            text = state.message,
+                            style = MaterialTheme.typography.bodyMedium,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            textAlign = androidx.compose.ui.text.style.TextAlign.Center
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Main content - scrollable album sections
+ */
+@Composable
+private fun ExploreContent(
+    smartAlbums: List<SmartAlbum>,
+    onAlbumClick: (albumType: String, albumId: String) -> Unit
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize(),
+        contentPadding = PaddingValues(vertical = 16.dp),
+        verticalArrangement = Arrangement.spacedBy(24.dp)
+    ) {
+        // Stories Section (Recent Highlights)
+        item {
+            val storyAlbums = smartAlbums.filter { it.imageCount > 0 }.take(10)
+            if (storyAlbums.isNotEmpty()) {
+                StoriesSection(
+                    albums = storyAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Time-based Albums
+        val timeAlbums = smartAlbums.filterIsInstance<SmartAlbum.TimeRange>()
+        if (timeAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "📅 Time Capsules",
+                    albums = timeAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Face-based Albums
+        val faceAlbums = smartAlbums.filterIsInstance<SmartAlbum.Tagged>()
+            .filter { it.tagValue in listOf("group_photo", "selfie", "couple") }
+        if (faceAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "👥 People & Groups",
+                    albums = faceAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Relationship Albums
+        val relationshipAlbums = smartAlbums.filterIsInstance<SmartAlbum.Tagged>()
+            .filter { it.tagValue in listOf("family", "friend", "colleague") }
+        if (relationshipAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "❤️ Relationships",
+                    albums = relationshipAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Time of Day Albums
+        val timeOfDayAlbums = smartAlbums.filterIsInstance<SmartAlbum.Tagged>()
+            .filter { it.tagValue in listOf("morning", "afternoon", "evening", "night") }
+        if (timeOfDayAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "🌅 Times of Day",
+                    albums = timeOfDayAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Scene Albums
+        val sceneAlbums = smartAlbums.filterIsInstance<SmartAlbum.Tagged>()
+            .filter { it.tagValue in listOf("indoor", "outdoor") }
+        if (sceneAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "🏞️ Scenes",
+                    albums = sceneAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Special Occasions
+        val specialAlbums = smartAlbums.filterIsInstance<SmartAlbum.Tagged>()
+            .filter { it.tagValue in listOf("birthday", "high_res") }
+        if (specialAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "⭐ Special",
+                    albums = specialAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+
+        // Person Albums
+        val personAlbums = smartAlbums.filterIsInstance<SmartAlbum.Person>()
+        if (personAlbums.isNotEmpty()) {
+            item {
+                AlbumSection(
+                    title = "👤 People",
+                    albums = personAlbums,
+                    onAlbumClick = onAlbumClick
+                )
+            }
+        }
+    }
+}
+
+/**
+ * Stories section - circular album previews
+ */
+@Composable
+private fun StoriesSection(
+    albums: List<SmartAlbum>,
+    onAlbumClick: (albumType: String, albumId: String) -> Unit
+) {
+    Column(
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        Text(
+            text = "📖 Stories",
+            style = MaterialTheme.typography.titleLarge,
+            fontWeight = FontWeight.Bold,
+            modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp)
+        )
+
+        LazyRow(
+            contentPadding = PaddingValues(horizontal = 16.dp),
+            horizontalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            items(albums) { album ->
+                StoryCircle(
+                    album = album,
+                    onClick = {
+                        val (type, id) = getAlbumNavigation(album)
+                        onAlbumClick(type, id)
+                    }
+                )
+            }
+        }
+    }
+}
+
+/**
+ * Story circle - circular album preview
+ */
+@Composable
+private fun StoryCircle(
+    album: SmartAlbum,
+    onClick: () -> Unit
+) {
+    val (icon, gradient) = getAlbumIconAndGradient(album)
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(8.dp),
+        modifier = Modifier.clickable(onClick = onClick)
+    ) {
+        Box(
+            modifier = Modifier
+                .size(80.dp)
+                .clip(CircleShape)
+                .background(gradient),
+            contentAlignment = Alignment.Center
+        ) {
+            Icon(
+                imageVector = icon,
+                contentDescription = null,
+                tint = Color.White,
+                modifier = Modifier.size(36.dp)
+            )
+        }
+
+        Text(
+            text = album.displayName,
+            style = MaterialTheme.typography.labelSmall,
+            maxLines = 2,
+            modifier = Modifier.width(80.dp),
+            fontWeight = FontWeight.Medium,
+            textAlign = androidx.compose.ui.text.style.TextAlign.Center
+        )
+
+        Text(
+            text = "${album.imageCount}",
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+    }
+}
+
+/**
+ * Album section with horizontal scrolling rectangular cards
+ */
+@Composable
+private fun AlbumSection(
+    title: String,
+    albums: List<SmartAlbum>,
+    onAlbumClick: (albumType: String, albumId: String) -> Unit
+) {
+    Column(
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        Text(
+            text = title,
+            style = MaterialTheme.typography.titleLarge,
+            fontWeight = FontWeight.Bold,
+            modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp)
+        )
+
+        LazyRow(
+            contentPadding = PaddingValues(horizontal = 16.dp),
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            items(albums) { album ->
+                AlbumCard(
+                    album = album,
+                    onClick = {
+                        val (type, id) = getAlbumNavigation(album)
+                        onAlbumClick(type, id)
+                    }
+                )
+            }
+        }
+    }
+}
+
+/**
+ * Rectangular album card - compact design
+ */
+@Composable
+private fun AlbumCard(
+    album: SmartAlbum,
+    onClick: () -> Unit
+) {
+    val (icon, gradient) = getAlbumIconAndGradient(album)
+
+    Card(
+        modifier = Modifier
+            .width(180.dp)
+            .height(120.dp)
+            .clickable(onClick = onClick),
+        shape = RoundedCornerShape(16.dp),
+        elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
+    ) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(gradient)
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(16.dp),
+                verticalArrangement = Arrangement.SpaceBetween
+            ) {
+                // Icon
+                Icon(
+                    imageVector = icon,
+                    contentDescription = null,
+                    tint = Color.White,
+                    modifier = Modifier.size(32.dp)
+                )
+
+                // Album info
+                Column {
+                    Text(
+                        text = album.displayName,
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold,
+                        color = Color.White,
+                        maxLines = 1
+                    )
+                    Text(
+                        text = "${album.imageCount} ${if (album.imageCount == 1) "photo" else "photos"}",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = Color.White.copy(alpha = 0.9f)
+                    )
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Empty state
+ */
+@Composable
+private fun EmptyExploreView() {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(32.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            Icon(
+                Icons.Default.PhotoAlbum,
+                contentDescription = null,
+                modifier = Modifier.size(80.dp),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.6f)
+            )
+
+            Text(
+                "No Albums Yet",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+
+            Text(
+                "Add photos to your collection to see smart albums",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                textAlign = androidx.compose.ui.text.style.TextAlign.Center
+            )
+        }
+    }
+}
+
+/**
+ * Get navigation parameters for album
+ */
+private fun getAlbumNavigation(album: SmartAlbum): Pair<String, String> {
+    return when (album) {
+        is SmartAlbum.TimeRange.Today -> "time" to "today"
+        is SmartAlbum.TimeRange.ThisWeek -> "time" to "week"
+        is SmartAlbum.TimeRange.ThisMonth -> "time" to "month"
+        is SmartAlbum.TimeRange.LastYear -> "time" to "year"
+        is SmartAlbum.Tagged -> "tag" to album.tagValue
+        is SmartAlbum.Person -> "person" to album.personId
+    }
+}
+
+/**
+ * Get icon and gradient for album type
+ */
+private fun getAlbumIconAndGradient(album: SmartAlbum): Pair<ImageVector, Brush> {
+    return when (album) {
+        is SmartAlbum.TimeRange.Today -> Icons.Default.Today to gradientBlue()
+        is SmartAlbum.TimeRange.ThisWeek -> Icons.Default.DateRange to gradientTeal()
+        is SmartAlbum.TimeRange.ThisMonth -> Icons.Default.CalendarMonth to gradientGreen()
+        is SmartAlbum.TimeRange.LastYear -> Icons.Default.HistoryEdu to gradientPurple()
+        is SmartAlbum.Tagged -> when (album.tagValue) {
+            "group_photo" -> Icons.Default.Group to gradientOrange()
+            "selfie" -> Icons.Default.CameraAlt to gradientPink()
+            "couple" -> Icons.Default.Favorite to gradientRed()
+            "family" -> Icons.Default.FamilyRestroom to gradientIndigo()
+            "friend" -> Icons.Default.People to gradientCyan()
+            "colleague" -> Icons.Default.BusinessCenter to gradientGray()
+            "morning" -> Icons.Default.WbSunny to gradientYellow()
+            "afternoon" -> Icons.Default.LightMode to gradientOrange()
+            "evening" -> Icons.Default.WbTwilight to gradientOrange()
+            "night" -> Icons.Default.NightsStay to gradientDarkBlue()
+            "outdoor" -> Icons.Default.Landscape to gradientGreen()
+            "indoor" -> Icons.Default.Home to gradientBrown()
+            "birthday" -> Icons.Default.Cake to gradientPink()
+            "high_res" -> Icons.Default.HighQuality to gradientGold()
+            else -> Icons.Default.Label to gradientBlue()
+        }
+        is SmartAlbum.Person -> Icons.Default.Person to gradientPurple()
+    }
+}
+
+// Gradient helpers
+private fun gradientBlue() = Brush.linearGradient(listOf(Color(0xFF1976D2), Color(0xFF1565C0)))
+private fun gradientTeal() = Brush.linearGradient(listOf(Color(0xFF00897B), Color(0xFF00796B)))
+private fun gradientGreen() = Brush.linearGradient(listOf(Color(0xFF388E3C), Color(0xFF2E7D32)))
+private fun gradientPurple() = Brush.linearGradient(listOf(Color(0xFF7B1FA2), Color(0xFF6A1B9A)))
+private fun gradientOrange() = Brush.linearGradient(listOf(Color(0xFFF57C00), Color(0xFFE64A19)))
+private fun gradientPink() = Brush.linearGradient(listOf(Color(0xFFD81B60), Color(0xFFC2185B)))
+private fun gradientRed() = Brush.linearGradient(listOf(Color(0xFFE53935), Color(0xFFD32F2F)))
+private fun gradientIndigo() = Brush.linearGradient(listOf(Color(0xFF3949AB), Color(0xFF303F9F)))
+private fun gradientCyan() = Brush.linearGradient(listOf(Color(0xFF00ACC1), Color(0xFF0097A7)))
+private fun gradientGray() = Brush.linearGradient(listOf(Color(0xFF616161), Color(0xFF424242)))
+private fun gradientYellow() = Brush.linearGradient(listOf(Color(0xFFFDD835), Color(0xFFFBC02D)))
+private fun gradientDarkBlue() = Brush.linearGradient(listOf(Color(0xFF283593), Color(0xFF1A237E)))
+private fun gradientBrown() = Brush.linearGradient(listOf(Color(0xFF5D4037), Color(0xFF4E342E)))
+private fun gradientGold() = Brush.linearGradient(listOf(Color(0xFFFFB300), Color(0xFFFFA000)))

app/src/main/java/com/placeholder/sherpai2/ui/explore/Exploreviewmodel.kt

@@ -0,0 +1,302 @@
+package com.placeholder.sherpai2.ui.explore
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.dao.ImageDao
+import com.placeholder.sherpai2.data.local.dao.ImageTagDao
+import com.placeholder.sherpai2.data.local.dao.PersonDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.repository.FaceRecognitionRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import java.util.Calendar
+import javax.inject.Inject
+
+@HiltViewModel
+class ExploreViewModel @Inject constructor(
+    private val imageDao: ImageDao,
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao,
+    private val personDao: PersonDao,
+    private val faceRecognitionRepository: FaceRecognitionRepository
+) : ViewModel() {
+
+    private val _uiState = MutableStateFlow<ExploreUiState>(ExploreUiState.Loading)
+    val uiState: StateFlow<ExploreUiState> = _uiState.asStateFlow()
+
+    sealed class ExploreUiState {
+        object Loading : ExploreUiState()
+        data class Success(
+            val smartAlbums: List<SmartAlbum>
+        ) : ExploreUiState()
+        data class Error(val message: String) : ExploreUiState()
+    }
+
+    init {
+        loadExploreData()
+    }
+
+    fun loadExploreData() {
+        viewModelScope.launch {
+            try {
+                _uiState.value = ExploreUiState.Loading
+
+                val smartAlbums = buildSmartAlbums()
+
+                _uiState.value = ExploreUiState.Success(
+                    smartAlbums = smartAlbums
+                )
+
+            } catch (e: Exception) {
+                _uiState.value = ExploreUiState.Error(
+                    e.message ?: "Failed to load explore data"
+                )
+            }
+        }
+    }
+
+    private suspend fun buildSmartAlbums(): List<SmartAlbum> {
+        val albums = mutableListOf<SmartAlbum>()
+
+        // Time-based albums
+        albums.add(SmartAlbum.TimeRange.Today)
+        albums.add(SmartAlbum.TimeRange.ThisWeek)
+        albums.add(SmartAlbum.TimeRange.ThisMonth)
+        albums.add(SmartAlbum.TimeRange.LastYear)
+
+        // Face-based albums (from system tags)
+        val groupPhotoTag = tagDao.getByValue("group_photo")
+        if (groupPhotoTag != null) {
+            val count = tagDao.getTagUsageCount(groupPhotoTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("group_photo", "Group Photos", count))
+            }
+        }
+
+        val selfieTag = tagDao.getByValue("selfie")
+        if (selfieTag != null) {
+            val count = tagDao.getTagUsageCount(selfieTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("selfie", "Selfies", count))
+            }
+        }
+
+        val coupleTag = tagDao.getByValue("couple")
+        if (coupleTag != null) {
+            val count = tagDao.getTagUsageCount(coupleTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("couple", "Couples", count))
+            }
+        }
+
+        // Relationship albums
+        val familyTag = tagDao.getByValue("family")
+        if (familyTag != null) {
+            val count = tagDao.getTagUsageCount(familyTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("family", "Family Moments", count))
+            }
+        }
+
+        val friendTag = tagDao.getByValue("friend")
+        if (friendTag != null) {
+            val count = tagDao.getTagUsageCount(friendTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("friend", "With Friends", count))
+            }
+        }
+
+        val colleagueTag = tagDao.getByValue("colleague")
+        if (colleagueTag != null) {
+            val count = tagDao.getTagUsageCount(colleagueTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("colleague", "Work Events", count))
+            }
+        }
+
+        // Time of day albums
+        val morningTag = tagDao.getByValue("morning")
+        if (morningTag != null) {
+            val count = tagDao.getTagUsageCount(morningTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("morning", "Morning Moments", count))
+            }
+        }
+
+        val eveningTag = tagDao.getByValue("evening")
+        if (eveningTag != null) {
+            val count = tagDao.getTagUsageCount(eveningTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("evening", "Golden Hour", count))
+            }
+        }
+
+        val nightTag = tagDao.getByValue("night")
+        if (nightTag != null) {
+            val count = tagDao.getTagUsageCount(nightTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("night", "Night Life", count))
+            }
+        }
+
+        // Scene albums
+        val outdoorTag = tagDao.getByValue("outdoor")
+        if (outdoorTag != null) {
+            val count = tagDao.getTagUsageCount(outdoorTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("outdoor", "Outdoor Adventures", count))
+            }
+        }
+
+        val indoorTag = tagDao.getByValue("indoor")
+        if (indoorTag != null) {
+            val count = tagDao.getTagUsageCount(indoorTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("indoor", "Indoor Moments", count))
+            }
+        }
+
+        // Special occasions
+        val birthdayTag = tagDao.getByValue("birthday")
+        if (birthdayTag != null) {
+            val count = tagDao.getTagUsageCount(birthdayTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("birthday", "Birthdays", count))
+            }
+        }
+
+        // Quality albums
+        val highResTag = tagDao.getByValue("high_res")
+        if (highResTag != null) {
+            val count = tagDao.getTagUsageCount(highResTag.tagId)
+            if (count > 0) {
+                albums.add(SmartAlbum.Tagged("high_res", "Best Quality", count))
+            }
+        }
+
+        // Person albums
+        val persons = personDao.getAllPersons()
+        persons.forEach { person ->
+            val stats = faceRecognitionRepository.getPersonFaceStats(person.id)
+            if (stats != null && stats.taggedPhotoCount > 0) {
+                albums.add(SmartAlbum.Person(
+                    personId = person.id,
+                    personName = person.name,
+                    imageCount = stats.taggedPhotoCount
+                ))
+            }
+        }
+
+        return albums
+    }
+
+    /**
+     * Get images for a specific smart album
+     */
+    suspend fun getImagesForAlbum(album: SmartAlbum): List<ImageEntity> {
+        return when (album) {
+            is SmartAlbum.TimeRange.Today -> {
+                val startOfDay = getStartOfDay()
+                imageDao.getImagesInRange(startOfDay, System.currentTimeMillis())
+            }
+            is SmartAlbum.TimeRange.ThisWeek -> {
+                val startOfWeek = getStartOfWeek()
+                imageDao.getImagesInRange(startOfWeek, System.currentTimeMillis())
+            }
+            is SmartAlbum.TimeRange.ThisMonth -> {
+                val startOfMonth = getStartOfMonth()
+                imageDao.getImagesInRange(startOfMonth, System.currentTimeMillis())
+            }
+            is SmartAlbum.TimeRange.LastYear -> {
+                val oneYearAgo = System.currentTimeMillis() - (365L * 24 * 60 * 60 * 1000)
+                imageDao.getImagesInRange(oneYearAgo, System.currentTimeMillis())
+            }
+            is SmartAlbum.Tagged -> {
+                val tag = tagDao.getByValue(album.tagValue)
+                if (tag != null) {
+                    val imageIds = imageTagDao.findImagesByTag(tag.tagId, 0.5f)
+                    imageDao.getImagesByIds(imageIds)
+                } else {
+                    emptyList()
+                }
+            }
+            is SmartAlbum.Person -> {
+                faceRecognitionRepository.getImagesForPerson(album.personId)
+            }
+        }
+    }
+
+    private fun getStartOfDay(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+
+    private fun getStartOfWeek(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.DAY_OF_WEEK, firstDayOfWeek)
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+
+    private fun getStartOfMonth(): Long {
+        return Calendar.getInstance().apply {
+            set(Calendar.DAY_OF_MONTH, 1)
+            set(Calendar.HOUR_OF_DAY, 0)
+            set(Calendar.MINUTE, 0)
+            set(Calendar.SECOND, 0)
+            set(Calendar.MILLISECOND, 0)
+        }.timeInMillis
+    }
+}
+
+/**
+ * Smart album types
+ */
+sealed class SmartAlbum {
+    abstract val displayName: String
+    abstract val imageCount: Int
+
+    sealed class TimeRange : SmartAlbum() {
+        data object Today : TimeRange() {
+            override val displayName = "Today"
+            override val imageCount = 0 // Calculated dynamically
+        }
+        data object ThisWeek : TimeRange() {
+            override val displayName = "This Week"
+            override val imageCount = 0
+        }
+        data object ThisMonth : TimeRange() {
+            override val displayName = "This Month"
+            override val imageCount = 0
+        }
+        data object LastYear : TimeRange() {
+            override val displayName = "Last Year"
+            override val imageCount = 0
+        }
+    }
+
+    data class Tagged(
+        val tagValue: String,
+        override val displayName: String,
+        override val imageCount: Int
+    ) : SmartAlbum()
+
+    data class Person(
+        val personId: String,
+        val personName: String,
+        override val imageCount: Int
+    ) : SmartAlbum() {
+        override val displayName = personName
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/imagedetail/ImageDetailScreen.kt

@@ -0,0 +1,323 @@
+package com.placeholder.sherpai2.ui.imagedetail
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.navigation.NavController
+import coil.compose.AsyncImage
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.ui.imagedetail.viewmodel.ImageDetailViewModel
+import net.engawapg.lib.zoomable.rememberZoomState
+import net.engawapg.lib.zoomable.zoomable
+import java.net.URLEncoder
+
+/**
+ * ImageDetailScreen - COMPLETE with navigation and tags
+ *
+ * Features:
+ * - Full-screen zoomable image
+ * - Previous/Next navigation buttons
+ * - Image counter (3/45)
+ * - Tags button (toggle show/hide)
+ * - Shows all tags on photo
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ImageDetailScreen(
+    modifier: Modifier = Modifier,
+    imageUri: String,
+    onBack: () -> Unit,
+    navController: NavController? = null,
+    allImageUris: List<String> = emptyList(), // Pass from caller
+    viewModel: ImageDetailViewModel = hiltViewModel() // ✅ FIXED: Use hiltViewModel
+) {
+
+    LaunchedEffect(imageUri) {
+        viewModel.loadImage(imageUri)
+    }
+
+    val tags by viewModel.tags.collectAsStateWithLifecycle()
+    var showTags by remember { mutableStateOf(false) }
+
+    // Navigation state
+    val currentIndex = if (allImageUris.isNotEmpty()) allImageUris.indexOf(imageUri) else -1
+    val hasNavigation = allImageUris.isNotEmpty() && currentIndex >= 0
+    val canGoPrevious = hasNavigation && currentIndex > 0
+    val canGoNext = hasNavigation && currentIndex < allImageUris.size - 1
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    if (hasNavigation) {
+                        Text(
+                            "${currentIndex + 1} / ${allImageUris.size}",
+                            style = MaterialTheme.typography.titleMedium
+                        )
+                    } else {
+                        Text("Photo")
+                    }
+                },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.Default.ArrowBack, "Back")
+                    }
+                },
+                actions = {
+                    // Tags toggle button
+                    IconButton(onClick = { showTags = !showTags }) {
+                        Row(
+                            horizontalArrangement = Arrangement.spacedBy(4.dp),
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            if (tags.isNotEmpty()) {
+                                Badge(
+                                    containerColor = if (showTags)
+                                        MaterialTheme.colorScheme.primary
+                                    else
+                                        MaterialTheme.colorScheme.surfaceVariant
+                                ) {
+                                    Text(
+                                        tags.size.toString(),
+                                        color = if (showTags)
+                                            MaterialTheme.colorScheme.onPrimary
+                                        else
+                                            MaterialTheme.colorScheme.onSurfaceVariant
+                                    )
+                                }
+                            }
+                            Icon(
+                                if (showTags) Icons.Default.Label else Icons.Default.LocalOffer,
+                                "Show Tags",
+                                tint = if (showTags)
+                                    MaterialTheme.colorScheme.primary
+                                else
+                                    MaterialTheme.colorScheme.onSurfaceVariant
+                            )
+                        }
+                    }
+
+                    // Previous button (only show if has navigation)
+                    if (hasNavigation && navController != null) {
+                        IconButton(
+                            onClick = {
+                                if (canGoPrevious) {
+                                    val prevUri = allImageUris[currentIndex - 1]
+                                    val encoded = URLEncoder.encode(prevUri, "UTF-8")
+                                    navController.navigate("image_detail/$encoded") {
+                                        popUpTo("image_detail/${URLEncoder.encode(imageUri, "UTF-8")}") {
+                                            inclusive = true
+                                        }
+                                    }
+                                }
+                            },
+                            enabled = canGoPrevious
+                        ) {
+                            Icon(Icons.Default.KeyboardArrowLeft, "Previous")
+                        }
+
+                        // Next button (only show if has navigation)
+                        IconButton(
+                            onClick = {
+                                if (canGoNext) {
+                                    val nextUri = allImageUris[currentIndex + 1]
+                                    val encoded = URLEncoder.encode(nextUri, "UTF-8")
+                                    navController.navigate("image_detail/$encoded") {
+                                        popUpTo("image_detail/${URLEncoder.encode(imageUri, "UTF-8")}") {
+                                            inclusive = true
+                                        }
+                                    }
+                                }
+                            },
+                            enabled = canGoNext
+                        ) {
+                            Icon(Icons.Default.KeyboardArrowRight, "Next")
+                        }
+                    }
+                }
+            )
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+        ) {
+            // Zoomable image
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .weight(1f)
+                    .background(Color.Black)
+            ) {
+                val zoomState = rememberZoomState()
+
+                AsyncImage(
+                    model = imageUri,
+                    contentDescription = "Photo",
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .zoomable(zoomState),
+                    contentScale = ContentScale.Fit
+                )
+            }
+
+            // Tags panel (slides up when enabled)
+            if (showTags) {
+                Surface(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .heightIn(max = 300.dp),
+                    color = MaterialTheme.colorScheme.surfaceVariant,
+                    tonalElevation = 3.dp
+                ) {
+                    LazyColumn(
+                        contentPadding = PaddingValues(16.dp),
+                        verticalArrangement = Arrangement.spacedBy(8.dp)
+                    ) {
+                        item {
+                            Text(
+                                "Tags (${tags.size})",
+                                style = MaterialTheme.typography.titleMedium,
+                                fontWeight = FontWeight.Bold
+                            )
+                        }
+
+                        if (tags.isEmpty()) {
+                            item {
+                                Text(
+                                    "No tags yet",
+                                    style = MaterialTheme.typography.bodyMedium,
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                                )
+                            }
+                        }
+
+                        items(tags, key = { it.tagId }) { tag ->
+                            TagCard(
+                                tag = tag,
+                                onRemove = { viewModel.removeTag(tag) }
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun TagCard(
+    tag: TagEntity,
+    onRemove: () -> Unit
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = when (tag.type) {
+                "PERSON" -> MaterialTheme.colorScheme.primaryContainer
+                "SYSTEM" -> MaterialTheme.colorScheme.secondaryContainer
+                else -> MaterialTheme.colorScheme.tertiaryContainer
+            }
+        ),
+        shape = RoundedCornerShape(8.dp)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(12.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Column(modifier = Modifier.weight(1f)) {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Icon(
+                        imageVector = when (tag.type) {
+                            "PERSON" -> Icons.Default.Face
+                            "SYSTEM" -> Icons.Default.AutoAwesome
+                            else -> Icons.Default.Label
+                        },
+                        contentDescription = null,
+                        modifier = Modifier.size(20.dp),
+                        tint = when (tag.type) {
+                            "PERSON" -> MaterialTheme.colorScheme.primary
+                            "SYSTEM" -> MaterialTheme.colorScheme.secondary
+                            else -> MaterialTheme.colorScheme.tertiary
+                        }
+                    )
+                    Text(
+                        text = tag.getDisplayValue(), // Uses TagEntity's built-in method
+                        style = MaterialTheme.typography.bodyLarge,
+                        fontWeight = FontWeight.SemiBold
+                    )
+                }
+
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(4.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(
+                        text = tag.type.lowercase().replaceFirstChar { it.uppercase() },
+                        style = MaterialTheme.typography.labelSmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                    Text(
+                        text = "•",
+                        style = MaterialTheme.typography.labelSmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                    Text(
+                        text = formatTimestamp(tag.createdAt),
+                        style = MaterialTheme.typography.labelSmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+            }
+
+            // Remove button (only for user-created tags)
+            if (tag.isUserTag()) {
+                IconButton(
+                    onClick = onRemove,
+                    colors = IconButtonDefaults.iconButtonColors(
+                        contentColor = MaterialTheme.colorScheme.error
+                    )
+                ) {
+                    Icon(Icons.Default.Delete, "Remove tag")
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Format timestamp to relative time
+ */
+private fun formatTimestamp(timestamp: Long): String {
+    val now = System.currentTimeMillis()
+    val diff = now - timestamp
+
+    return when {
+        diff < 60_000 -> "Just now"
+        diff < 3600_000 -> "${diff / 60_000}m ago"
+        diff < 86400_000 -> "${diff / 3600_000}h ago"
+        diff < 604800_000 -> "${diff / 86400_000}d ago"
+        else -> "${diff / 604800_000}w ago"
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/imagedetail/viewmodel/ImageDetailViewModel.kt

@@ -0,0 +1,57 @@
+package com.placeholder.sherpai2.ui.imagedetail.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.domain.repository.TaggingRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+/**
+ * ImageDetailViewModel
+ *
+ * Owns:
+ *  - Image context
+ *  - Tag write operations
+ */
+@HiltViewModel
+@OptIn(ExperimentalCoroutinesApi::class)
+class ImageDetailViewModel @Inject constructor(
+    private val tagRepository: TaggingRepository
+) : ViewModel() {
+
+    private val imageUri = MutableStateFlow<String?>(null)
+
+    val tags: StateFlow<List<TagEntity>> =
+        imageUri
+            .filterNotNull()
+            .flatMapLatest { uri ->
+                tagRepository.getTagsForImage(uri)
+            }
+            .stateIn(
+                scope = viewModelScope,
+                started = SharingStarted.WhileSubscribed(5_000),
+                initialValue = emptyList()
+            )
+
+    fun loadImage(uri: String) {
+        imageUri.value = uri
+    }
+
+    fun addTag(value: String) {
+        val uri = imageUri.value ?: return
+        viewModelScope.launch {
+            tagRepository.addTagToImage(uri, value, source = "MANUAL", confidence = 1.0f)
+        }
+    }
+
+    fun removeTag(tag: TagEntity) {
+        val uri = imageUri.value ?: return
+        viewModelScope.launch {
+            tagRepository.removeTagFromImage(uri, tag.value)
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/modelinventory/Personinventoryscreen.kt

@@ -0,0 +1,508 @@
+package com.placeholder.sherpai2.ui.modelinventory
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+
+/**
+ * CLEANED PersonInventoryScreen - No duplicate header
+ *
+ * Removed:
+ * - Scaffold wrapper
+ * - TopAppBar (was creating banner)
+ * - "Trained People" title (MainScreen shows it)
+ *
+ * FIXED to match ViewModel exactly:
+ * - Uses InventoryUiState.Success with persons
+ * - Uses stats.taggedPhotoCount (not photoCount)
+ * - Passes both personId AND faceModelId to methods
+ */
+@Composable
+fun PersonInventoryScreen(
+    modifier: Modifier = Modifier,
+    viewModel: PersonInventoryViewModel = hiltViewModel(),
+    onViewPersonPhotos: (String) -> Unit = {}
+) {
+    val uiState by viewModel.uiState.collectAsState()
+    val scanningState by viewModel.scanningState.collectAsState()
+
+    var personToDelete by remember { mutableStateOf<PersonInventoryViewModel.PersonWithStats?>(null) }
+    var personToScan by remember { mutableStateOf<PersonInventoryViewModel.PersonWithStats?>(null) }
+
+    LazyColumn(
+        modifier = modifier.fillMaxSize(),
+        contentPadding = PaddingValues(16.dp),
+        verticalArrangement = Arrangement.spacedBy(12.dp)
+    ) {
+        when (val state = uiState) {
+            is PersonInventoryViewModel.InventoryUiState.Loading -> {
+                item {
+                    Box(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(32.dp),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        CircularProgressIndicator()
+                    }
+                }
+            }
+
+            is PersonInventoryViewModel.InventoryUiState.Success -> {
+                // Summary card
+                item {
+                    SummaryCard(
+                        peopleCount = state.persons.size,
+                        totalPhotos = state.persons.sumOf { it.stats.taggedPhotoCount }
+                    )
+                }
+
+                // Scanning progress
+                val currentScanningState = scanningState
+                if (currentScanningState is PersonInventoryViewModel.ScanningState.Scanning) {
+                    item {
+                        ScanningProgressCard(currentScanningState)
+                    }
+                }
+
+                // Person list
+                if (state.persons.isEmpty()) {
+                    item {
+                        EmptyState()
+                    }
+                } else {
+                    items(state.persons) { person ->
+                        PersonCard(
+                            person = person,
+                            onDelete = { personToDelete = person },
+                            onScan = { personToScan = person },
+                            onViewPhotos = { onViewPersonPhotos(person.person.id) }
+                        )
+                    }
+                }
+            }
+
+            is PersonInventoryViewModel.InventoryUiState.Error -> {
+                item {
+                    ErrorCard(message = state.message)
+                }
+            }
+        }
+    }
+
+    // Delete confirmation
+    personToDelete?.let { person ->
+        DeleteDialog(
+            person = person,
+            onDismiss = { personToDelete = null },
+            onConfirm = {
+                viewModel.deletePerson(person.person.id, person.stats.faceModelId)
+                personToDelete = null
+            }
+        )
+    }
+
+    // Scan confirmation
+    personToScan?.let { person ->
+        ScanDialog(
+            person = person,
+            onDismiss = { personToScan = null },
+            onConfirm = {
+                viewModel.scanLibraryForPerson(person.person.id, person.stats.faceModelId)
+                personToScan = null
+            }
+        )
+    }
+}
+
+/**
+ * Summary card with stats
+ */
+@Composable
+private fun SummaryCard(peopleCount: Int, totalPhotos: Int) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+        )
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceEvenly
+        ) {
+            StatItem(
+                icon = Icons.Default.People,
+                value = peopleCount.toString(),
+                label = "People"
+            )
+            VerticalDivider(
+                modifier = Modifier.height(56.dp),
+                color = MaterialTheme.colorScheme.outline.copy(alpha = 0.3f)
+            )
+            StatItem(
+                icon = Icons.Default.PhotoLibrary,
+                value = totalPhotos.toString(),
+                label = "Tagged"
+            )
+        }
+    }
+}
+
+@Composable
+private fun StatItem(icon: androidx.compose.ui.graphics.vector.ImageVector, value: String, label: String) {
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(4.dp)
+    ) {
+        Icon(
+            icon,
+            contentDescription = null,
+            modifier = Modifier.size(28.dp),
+            tint = MaterialTheme.colorScheme.primary
+        )
+        Text(
+            value,
+            style = MaterialTheme.typography.headlineMedium,
+            fontWeight = FontWeight.Bold
+        )
+        Text(
+            label,
+            style = MaterialTheme.typography.labelMedium,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+    }
+}
+
+/**
+ * Person card with stats and actions
+ */
+@Composable
+private fun PersonCard(
+    person: PersonInventoryViewModel.PersonWithStats,
+    onDelete: () -> Unit,
+    onScan: () -> Unit,
+    onViewPhotos: () -> Unit
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = Modifier.padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            // Header row
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    // Avatar
+                    Surface(
+                        modifier = Modifier.size(48.dp),
+                        shape = CircleShape,
+                        color = MaterialTheme.colorScheme.primaryContainer
+                    ) {
+                        Box(contentAlignment = Alignment.Center) {
+                            Icon(
+                                Icons.Default.Person,
+                                contentDescription = null,
+                                modifier = Modifier.size(24.dp),
+                                tint = MaterialTheme.colorScheme.onPrimaryContainer
+                            )
+                        }
+                    }
+
+                    // Name and stats
+                    Column {
+                        Text(
+                            text = person.person.name,
+                            style = MaterialTheme.typography.titleLarge,
+                            fontWeight = FontWeight.Bold
+                        )
+                        Text(
+                            text = "${person.stats.taggedPhotoCount} photos • ${person.stats.trainingImageCount} trained",
+                            style = MaterialTheme.typography.bodySmall,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant
+                        )
+                    }
+                }
+
+                // Delete button
+                IconButton(onClick = onDelete) {
+                    Icon(
+                        Icons.Default.Delete,
+                        contentDescription = "Delete",
+                        tint = MaterialTheme.colorScheme.error
+                    )
+                }
+            }
+
+            // Action buttons
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                OutlinedButton(
+                    onClick = onScan,
+                    modifier = Modifier.weight(1f)
+                ) {
+                    Icon(
+                        Icons.Default.Search,
+                        contentDescription = null,
+                        modifier = Modifier.size(18.dp)
+                    )
+                    Spacer(Modifier.width(4.dp))
+                    Text("Scan")
+                }
+
+                Button(
+                    onClick = onViewPhotos,
+                    modifier = Modifier.weight(1f)
+                ) {
+                    Icon(
+                        Icons.Default.PhotoLibrary,
+                        contentDescription = null,
+                        modifier = Modifier.size(18.dp)
+                    )
+                    Spacer(Modifier.width(4.dp))
+                    Text("View")
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Scanning progress card
+ */
+@Composable
+private fun ScanningProgressCard(scanningState: PersonInventoryViewModel.ScanningState.Scanning) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.tertiaryContainer.copy(alpha = 0.5f)
+        )
+    ) {
+        Column(
+            modifier = Modifier.padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Text(
+                    "Scanning for ${scanningState.personName}",
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold
+                )
+                Text(
+                    "${scanningState.progress}/${scanningState.total}",
+                    style = MaterialTheme.typography.bodySmall
+                )
+            }
+
+            LinearProgressIndicator(
+                progress = {
+                    if (scanningState.total > 0) {
+                        scanningState.progress.toFloat() / scanningState.total.toFloat()
+                    } else {
+                        0f
+                    }
+                },
+                modifier = Modifier.fillMaxWidth()
+            )
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                Text(
+                    "Matches found: ${scanningState.facesFound}",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.primary
+                )
+                Text(
+                    "Faces: ${scanningState.facesDetected}",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        }
+    }
+}
+
+/**
+ * Empty state
+ */
+@Composable
+private fun EmptyState() {
+    Box(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(vertical = 48.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            Icon(
+                Icons.Default.PersonOff,
+                contentDescription = null,
+                modifier = Modifier.size(64.dp),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.6f)
+            )
+
+            Text(
+                "No People Trained",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+
+            Text(
+                "Train face recognition to find people in your photos",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                textAlign = androidx.compose.ui.text.style.TextAlign.Center
+            )
+        }
+    }
+}
+
+/**
+ * Error card
+ */
+@Composable
+private fun ErrorCard(message: String) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.errorContainer
+        )
+    ) {
+        Row(
+            modifier = Modifier.padding(16.dp),
+            horizontalArrangement = Arrangement.spacedBy(12.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Icon(
+                Icons.Default.Error,
+                contentDescription = null,
+                tint = MaterialTheme.colorScheme.error
+            )
+            Text(
+                message,
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onErrorContainer
+            )
+        }
+    }
+}
+
+/**
+ * Delete confirmation dialog
+ */
+@Composable
+private fun DeleteDialog(
+    person: PersonInventoryViewModel.PersonWithStats,
+    onDismiss: () -> Unit,
+    onConfirm: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        icon = {
+            Icon(
+                Icons.Default.Warning,
+                contentDescription = null,
+                tint = MaterialTheme.colorScheme.error
+            )
+        },
+        title = { Text("Delete ${person.person.name}?") },
+        text = {
+            Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                Text("This will permanently delete:")
+                Text("• Face recognition model", style = MaterialTheme.typography.bodyMedium)
+                Text("• ${person.stats.taggedPhotoCount} tagged photos will be untagged", style = MaterialTheme.typography.bodyMedium)
+                Text(
+                    "This action cannot be undone.",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.error
+                )
+            }
+        },
+        confirmButton = {
+            Button(
+                onClick = onConfirm,
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = MaterialTheme.colorScheme.error
+                )
+            ) {
+                Text("Delete")
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Cancel")
+            }
+        }
+    )
+}
+
+/**
+ * Scan confirmation dialog
+ */
+@Composable
+private fun ScanDialog(
+    person: PersonInventoryViewModel.PersonWithStats,
+    onDismiss: () -> Unit,
+    onConfirm: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        icon = { Icon(Icons.Default.Search, contentDescription = null) },
+        title = { Text("Scan for ${person.person.name}?") },
+        text = {
+            Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                Text("This will:")
+                Text("• Scan all photos in your library", style = MaterialTheme.typography.bodyMedium)
+                Text("• Detect and tag ${person.person.name}'s face", style = MaterialTheme.typography.bodyMedium)
+                Text("• May take several minutes", style = MaterialTheme.typography.bodyMedium)
+            }
+        },
+        confirmButton = {
+            Button(onClick = onConfirm) {
+                Icon(Icons.Default.Search, contentDescription = null, modifier = Modifier.size(18.dp))
+                Spacer(Modifier.width(8.dp))
+                Text("Start Scan")
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Cancel")
+            }
+        }
+    )
+}

app/src/main/java/com/placeholder/sherpai2/ui/modelinventory/Personinventoryviewmodel.kt

@@ -0,0 +1,349 @@
+package com.placeholder.sherpai2.ui.modelinventory
+
+import android.app.Application
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.net.Uri
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.google.mlkit.vision.common.InputImage
+import com.google.mlkit.vision.face.FaceDetection
+import com.google.mlkit.vision.face.FaceDetectorOptions
+import com.placeholder.sherpai2.data.local.entity.PersonEntity
+import com.placeholder.sherpai2.data.repository.DetectedFace
+import com.placeholder.sherpai2.data.repository.FaceRecognitionRepository
+import com.placeholder.sherpai2.data.repository.PersonFaceStats
+import com.placeholder.sherpai2.domain.repository.ImageRepository
+import com.placeholder.sherpai2.ml.ThresholdStrategy
+import com.placeholder.sherpai2.ml.ImageQuality
+import com.placeholder.sherpai2.ml.DetectionContext
+import com.placeholder.sherpai2.util.DebugFlags
+import com.placeholder.sherpai2.util.DiagnosticLogger
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+
+/**
+ * PersonInventoryViewModel - Enhanced with smart threshold strategy
+ *
+ * Toggle diagnostics in DebugFlags.kt:
+ * - ENABLE_FACE_RECOGNITION_LOGGING = true/false
+ * - USE_LIBERAL_THRESHOLDS = true/false
+ */
+@HiltViewModel
+class PersonInventoryViewModel @Inject constructor(
+    application: Application,
+    private val faceRecognitionRepository: FaceRecognitionRepository,
+    private val imageRepository: ImageRepository
+) : AndroidViewModel(application) {
+
+    private val _uiState = MutableStateFlow<InventoryUiState>(InventoryUiState.Loading)
+    val uiState: StateFlow<InventoryUiState> = _uiState.asStateFlow()
+
+    private val _scanningState = MutableStateFlow<ScanningState>(ScanningState.Idle)
+    val scanningState: StateFlow<ScanningState> = _scanningState.asStateFlow()
+
+    private val faceDetector by lazy {
+        val options = FaceDetectorOptions.Builder()
+            .setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_ACCURATE)
+            .setLandmarkMode(FaceDetectorOptions.LANDMARK_MODE_NONE)
+            .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_NONE)
+            .setMinFaceSize(0.10f)
+            .build()
+        FaceDetection.getClient(options)
+    }
+
+    data class PersonWithStats(
+        val person: PersonEntity,
+        val stats: PersonFaceStats
+    )
+
+    sealed class InventoryUiState {
+        object Loading : InventoryUiState()
+        data class Success(val persons: List<PersonWithStats>) : InventoryUiState()
+        data class Error(val message: String) : InventoryUiState()
+    }
+
+    sealed class ScanningState {
+        object Idle : ScanningState()
+        data class Scanning(
+            val personId: String,
+            val personName: String,
+            val progress: Int,
+            val total: Int,
+            val facesFound: Int,
+            val facesDetected: Int = 0
+        ) : ScanningState()
+        data class Complete(
+            val personName: String,
+            val facesFound: Int,
+            val imagesScanned: Int,
+            val totalFacesDetected: Int = 0
+        ) : ScanningState()
+    }
+
+    init {
+        loadPersons()
+    }
+
+    fun loadPersons() {
+        viewModelScope.launch {
+            try {
+                _uiState.value = InventoryUiState.Loading
+
+                val persons = faceRecognitionRepository.getPersonsWithFaceModels()
+
+                val personsWithStats = persons.mapNotNull { person ->
+                    val stats = faceRecognitionRepository.getPersonFaceStats(person.id)
+                    if (stats != null) {
+                        PersonWithStats(person, stats)
+                    } else {
+                        null
+                    }
+                }.sortedByDescending { it.stats.taggedPhotoCount }
+
+                _uiState.value = InventoryUiState.Success(personsWithStats)
+
+            } catch (e: Exception) {
+                _uiState.value = InventoryUiState.Error(
+                    e.message ?: "Failed to load persons"
+                )
+            }
+        }
+    }
+
+    fun deletePerson(personId: String, faceModelId: String) {
+        viewModelScope.launch {
+            try {
+                faceRecognitionRepository.deleteFaceModel(faceModelId)
+                loadPersons()
+            } catch (e: Exception) {
+                _uiState.value = InventoryUiState.Error(
+                    "Failed to delete: ${e.message}"
+                )
+            }
+        }
+    }
+
+    /**
+     * Scan library with SMART threshold selection
+     */
+    fun scanLibraryForPerson(personId: String, faceModelId: String) {
+        viewModelScope.launch {
+            try {
+                if (DebugFlags.ENABLE_FACE_RECOGNITION_LOGGING) {
+                    DiagnosticLogger.i("=== STARTING LIBRARY SCAN (ENHANCED) ===")
+                    DiagnosticLogger.i("PersonId: $personId")
+                    DiagnosticLogger.i("FaceModelId: $faceModelId")
+                }
+
+                val currentState = _uiState.value
+                val person = if (currentState is InventoryUiState.Success) {
+                    currentState.persons.find { it.person.id == personId }?.person
+                } else null
+
+                val personName = person?.name ?: "Unknown"
+
+                // Get face model to determine training count
+                val faceModel = faceRecognitionRepository.getFaceModelById(faceModelId)
+                val trainingCount = faceModel?.trainingImageCount ?: 15
+
+                DiagnosticLogger.i("Training count: $trainingCount")
+
+                val allImages = imageRepository.getAllImages().first()
+                val totalImages = allImages.size
+
+                DiagnosticLogger.i("Total images in library: $totalImages")
+
+                _scanningState.value = ScanningState.Scanning(
+                    personId = personId,
+                    personName = personName,
+                    progress = 0,
+                    total = totalImages,
+                    facesFound = 0,
+                    facesDetected = 0
+                )
+
+                var facesFound = 0
+                var totalFacesDetected = 0
+
+                allImages.forEachIndexed { index, imageWithEverything ->
+                    val image = imageWithEverything.image
+
+                    DiagnosticLogger.d("--- Image ${index + 1}/$totalImages ---")
+                    DiagnosticLogger.d("ImageId: ${image.imageId}")
+
+                    // Detect faces with ML Kit
+                    val detectedFaces = detectFacesInImage(image.imageUri)
+                    totalFacesDetected += detectedFaces.size
+
+                    DiagnosticLogger.d("Faces detected: ${detectedFaces.size}")
+
+                    if (detectedFaces.isNotEmpty()) {
+                        // ENHANCED: Calculate image quality
+                        val imageQuality = ThresholdStrategy.estimateImageQuality(
+                            width = image.width,
+                            height = image.height
+                        )
+
+                        // ENHANCED: Estimate detection context
+                        val detectionContext = ThresholdStrategy.estimateDetectionContext(
+                            faceCount = detectedFaces.size,
+                            faceAreaRatio = if (detectedFaces.isNotEmpty()) {
+                                calculateFaceAreaRatio(detectedFaces[0], image.width, image.height)
+                            } else 0f
+                        )
+
+                        // ENHANCED: Get smart threshold
+                        val scanThreshold = if (DebugFlags.USE_LIBERAL_THRESHOLDS) {
+                            ThresholdStrategy.getLiberalThreshold(trainingCount)
+                        } else {
+                            ThresholdStrategy.getOptimalThreshold(
+                                trainingCount = trainingCount,
+                                imageQuality = imageQuality,
+                                detectionContext = detectionContext
+                            )
+                        }
+
+                        DiagnosticLogger.d("Quality: $imageQuality, Context: $detectionContext")
+                        DiagnosticLogger.d("Using threshold: $scanThreshold")
+
+                        // Scan image with smart threshold
+                        val tags = faceRecognitionRepository.scanImage(
+                            imageId = image.imageId,
+                            detectedFaces = detectedFaces,
+                            threshold = scanThreshold
+                        )
+
+                        DiagnosticLogger.d("Tags created: ${tags.size}")
+
+                        tags.forEach { tag ->
+                            DiagnosticLogger.d("  Tag: model=${tag.faceModelId.take(8)}, conf=${String.format("%.3f", tag.confidence)}")
+                        }
+
+                        val matchingTags = tags.filter { it.faceModelId == faceModelId }
+                        DiagnosticLogger.d("Matching tags for target: ${matchingTags.size}")
+
+                        facesFound += matchingTags.size
+                    }
+
+                    _scanningState.value = ScanningState.Scanning(
+                        personId = personId,
+                        personName = personName,
+                        progress = index + 1,
+                        total = totalImages,
+                        facesFound = facesFound,
+                        facesDetected = totalFacesDetected
+                    )
+                }
+
+                DiagnosticLogger.i("=== SCAN COMPLETE ===")
+                DiagnosticLogger.i("Images scanned: $totalImages")
+                DiagnosticLogger.i("Faces detected: $totalFacesDetected")
+                DiagnosticLogger.i("Faces matched: $facesFound")
+                DiagnosticLogger.i("Hit rate: ${if (totalFacesDetected > 0) (facesFound * 100 / totalFacesDetected) else 0}%")
+
+                _scanningState.value = ScanningState.Complete(
+                    personName = personName,
+                    facesFound = facesFound,
+                    imagesScanned = totalImages,
+                    totalFacesDetected = totalFacesDetected
+                )
+
+                loadPersons()
+                delay(3000)
+                _scanningState.value = ScanningState.Idle
+
+            } catch (e: Exception) {
+                DiagnosticLogger.e("Scan failed", e)
+                _scanningState.value = ScanningState.Idle
+                _uiState.value = InventoryUiState.Error(
+                    "Scan failed: ${e.message}"
+                )
+            }
+        }
+    }
+
+    private suspend fun detectFacesInImage(imageUri: String): List<DetectedFace> = withContext(Dispatchers.Default) {
+        try {
+            val uri = Uri.parse(imageUri)
+            val inputStream = getApplication<Application>().contentResolver.openInputStream(uri)
+            val bitmap = BitmapFactory.decodeStream(inputStream)
+            inputStream?.close()
+
+            if (bitmap == null) {
+                DiagnosticLogger.w("Failed to load bitmap from: $imageUri")
+                return@withContext emptyList()
+            }
+
+            DiagnosticLogger.d("Bitmap: ${bitmap.width}x${bitmap.height}")
+
+            val image = InputImage.fromBitmap(bitmap, 0)
+            val faces = faceDetector.process(image).await()
+
+            DiagnosticLogger.d("ML Kit found ${faces.size} faces")
+
+            faces.mapNotNull { face ->
+                val boundingBox = face.boundingBox
+
+                val croppedFace = try {
+                    val left = boundingBox.left.coerceAtLeast(0)
+                    val top = boundingBox.top.coerceAtLeast(0)
+                    val width = boundingBox.width().coerceAtMost(bitmap.width - left)
+                    val height = boundingBox.height().coerceAtMost(bitmap.height - top)
+
+                    if (width > 0 && height > 0) {
+                        Bitmap.createBitmap(bitmap, left, top, width, height)
+                    } else {
+                        null
+                    }
+                } catch (e: Exception) {
+                    DiagnosticLogger.e("Face crop failed", e)
+                    null
+                }
+
+                if (croppedFace != null) {
+                    DetectedFace(
+                        croppedBitmap = croppedFace,
+                        boundingBox = boundingBox
+                    )
+                } else {
+                    null
+                }
+            }
+
+        } catch (e: Exception) {
+            DiagnosticLogger.e("Face detection failed: $imageUri", e)
+            emptyList()
+        }
+    }
+
+    /**
+     * Calculate face area ratio (for context detection)
+     */
+    private fun calculateFaceAreaRatio(
+        face: DetectedFace,
+        imageWidth: Int,
+        imageHeight: Int
+    ): Float {
+        val faceArea = face.boundingBox.width() * face.boundingBox.height()
+        val imageArea = imageWidth * imageHeight
+        return faceArea.toFloat() / imageArea.toFloat()
+    }
+
+    suspend fun getPersonImages(personId: String) =
+        faceRecognitionRepository.getImagesForPerson(personId)
+
+    override fun onCleared() {
+        super.onCleared()
+        faceDetector.close()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/navigation/AppDestinations.kt

@@ -1,42 +1,157 @@
-// In navigation/AppDestinations.kt
 package com.placeholder.sherpai2.ui.navigation
 
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.Label
 import androidx.compose.material.icons.filled.*
 import androidx.compose.ui.graphics.vector.ImageVector
 
 /**
- * Defines all navigation destinations (screens) for the application.
+ * AppDestinations - Navigation metadata for drawer UI
+ *
+ * Clean, organized structure:
+ * - Routes for navigation
+ * - Icons for visual identity
+ * - Labels for display
+ * - Descriptions for clarity
+ * - Grouped by function
  */
-sealed class AppDestinations(val route: String, val icon: ImageVector, val label: String) {
-    // Core Functional Sections
-    object Tour : AppDestinations(
-        route = "Tour",
-        icon = Icons.Default.PhotoLibrary,
-        label = "Tour"
-    )
-    object Search : AppDestinations("search", Icons.Default.Search, "Search")
-    object Models : AppDestinations("models", Icons.Default.Layers, "Models")
-    object Inventory : AppDestinations("inv", Icons.Default.Inventory2, "Inv")
-    object Train : AppDestinations("train", Icons.Default.TrackChanges, "Train")
-    object Tags : AppDestinations("tags", Icons.Default.LocalOffer, "Tags")
+sealed class AppDestinations(
+    val route: String,
+    val icon: ImageVector,
+    val label: String,
+    val description: String = ""
+) {
 
-    // Utility/Secondary Sections
-    object Upload : AppDestinations("upload", Icons.Default.CloudUpload, "Upload")
-    object Settings : AppDestinations("settings", Icons.Default.Settings, "Settings")
+    // ==================
+    // PHOTO BROWSING
+    // ==================
+
+    data object Search : AppDestinations(
+        route = AppRoutes.SEARCH,
+        icon = Icons.Default.Search,
+        label = "Search",
+        description = "Find photos by tag or person"
+    )
+
+    data object Explore : AppDestinations(
+        route = AppRoutes.EXPLORE,
+        icon = Icons.Default.Explore,
+        label = "Explore",
+        description = "Browse smart albums"
+    )
+
+    // ImageDetail is not in draw er (internal navigation only)
+
+    // ==================
+    // FACE RECOGNITION
+    // ==================
+
+    data object Inventory : AppDestinations(
+        route = AppRoutes.INVENTORY,
+        icon = Icons.Default.Face,
+        label = "People Models",
+        description = "Existing Face Detection Models"
+    )
+
+    data object Train : AppDestinations(
+        route = AppRoutes.TRAIN,
+        icon = Icons.Default.ModelTraining,
+        label = "Create Model",
+        description = "Create a new Person Model"
+    )
+
+    data object Models : AppDestinations(
+        route = AppRoutes.MODELS,
+        icon = Icons.Default.SmartToy,
+        label = "Generative",
+        description = "AI Creation"
+    )
+
+    // ==================
+    // ORGANIZATION
+    // ==================
+
+    data object Tags : AppDestinations(
+        route = AppRoutes.TAGS,
+        icon = Icons.AutoMirrored.Filled.Label,
+        label = "Tags",
+        description = "Manage photo tags"
+    )
+
+    data object UTILITIES : AppDestinations(
+        route = AppRoutes.UTILITIES,
+        icon = Icons.Default.UploadFile,
+        label = "Upload",
+        description = "Add new photos"
+    )
+
+    // ==================
+    // SETTINGS
+    // ==================
+
+    data object Settings : AppDestinations(
+        route = AppRoutes.SETTINGS,
+        icon = Icons.Default.Settings,
+        label = "Settings",
+        description = "App preferences"
+    )
 }
 
-// Lists used by the AppDrawerContent to render the menu sections easily
-val mainDrawerItems = listOf(
-    AppDestinations.Tour,
+/**
+ * Organized destination groups for beautiful drawer sections
+ */
+
+// Photo browsing section
+val photoDestinations = listOf(
     AppDestinations.Search,
-    AppDestinations.Models,
-    AppDestinations.Inventory,
-    AppDestinations.Train,
-    AppDestinations.Tags
+    AppDestinations.Explore
 )
 
-val utilityDrawerItems = listOf(
-    AppDestinations.Upload,
-    AppDestinations.Settings
+// Face recognition section
+val faceRecognitionDestinations = listOf(
+    AppDestinations.Inventory,
+    AppDestinations.Train,
+    AppDestinations.Models
 )
+
+// Organization section
+val organizationDestinations = listOf(
+    AppDestinations.Tags,
+    AppDestinations.UTILITIES
+)
+
+// Settings (separate, pinned to bottom)
+val settingsDestination = AppDestinations.Settings
+
+/**
+ * All drawer items (excludes Settings which is handled separately)
+ */
+val allMainDrawerDestinations = photoDestinations + faceRecognitionDestinations + organizationDestinations
+
+/**
+ * Helper function to get destination by route
+ * Useful for highlighting current route in drawer
+ */
+fun getDestinationByRoute(route: String?): AppDestinations? {
+    return when (route) {
+        AppRoutes.SEARCH -> AppDestinations.Search
+        AppRoutes.EXPLORE -> AppDestinations.Explore
+        AppRoutes.INVENTORY -> AppDestinations.Inventory
+        AppRoutes.TRAIN -> AppDestinations.Train
+        AppRoutes.MODELS -> AppDestinations.Models
+        AppRoutes.TAGS -> AppDestinations.Tags
+        AppRoutes.UTILITIES -> AppDestinations.UTILITIES
+        AppRoutes.SETTINGS -> AppDestinations.Settings
+        else -> null
+    }
+}
+
+/**
+ * Legacy support (for backwards compatibility)
+ * These match your old structure
+ */
+@Deprecated("Use organized groups instead", ReplaceWith("allMainDrawerDestinations"))
+val mainDrawerItems = allMainDrawerDestinations
+
+@Deprecated("Use settingsDestination instead", ReplaceWith("listOf(settingsDestination)"))
+val utilityDrawerItems = listOf(settingsDestination)

app/src/main/java/com/placeholder/sherpai2/ui/navigation/AppNavHost.kt

@@ -0,0 +1,265 @@
+package com.placeholder.sherpai2.ui.navigation
+
+import android.net.Uri
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.navigation.NavHostController
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.navArgument
+import com.placeholder.sherpai2.ui.devscreens.DummyScreen
+import com.placeholder.sherpai2.ui.album.AlbumViewScreen
+import com.placeholder.sherpai2.ui.album.AlbumViewModel
+import com.placeholder.sherpai2.ui.explore.ExploreScreen
+import com.placeholder.sherpai2.ui.imagedetail.ImageDetailScreen
+import com.placeholder.sherpai2.ui.modelinventory.PersonInventoryScreen
+import com.placeholder.sherpai2.ui.search.SearchScreen
+import com.placeholder.sherpai2.ui.search.SearchViewModel
+import com.placeholder.sherpai2.ui.tags.TagManagementScreen
+import com.placeholder.sherpai2.ui.trainingprep.ImageSelectorScreen
+import com.placeholder.sherpai2.ui.trainingprep.ScanResultsScreen
+import com.placeholder.sherpai2.ui.trainingprep.ScanningState
+import com.placeholder.sherpai2.ui.trainingprep.TrainViewModel
+import com.placeholder.sherpai2.ui.trainingprep.TrainingScreen
+import com.placeholder.sherpai2.ui.utilities.PhotoUtilitiesScreen
+import java.net.URLDecoder
+import java.net.URLEncoder
+
+/**
+ * AppNavHost - UPDATED with image list navigation
+ *
+ * Changes:
+ * - Search/Album screens pass full image list to detail screen
+ * - Detail screen can navigate prev/next
+ * - Image URIs stored in SavedStateHandle for navigation
+ */
+@Composable
+fun AppNavHost(
+    navController: NavHostController,
+    modifier: Modifier = Modifier
+) {
+    NavHost(
+        navController = navController,
+        startDestination = AppRoutes.SEARCH,
+        modifier = modifier
+    ) {
+
+        // ==========================================
+        // PHOTO BROWSING
+        // ==========================================
+
+        /**
+         * SEARCH SCREEN - UPDATED: Stores image list for navigation
+         */
+        composable(AppRoutes.SEARCH) {
+            val searchViewModel: SearchViewModel = hiltViewModel()
+
+            SearchScreen(
+                searchViewModel = searchViewModel,
+                onImageClick = { imageUri ->
+                    // Single image view - no prev/next navigation
+                    ImageListHolder.clear() // Clear any previous list
+
+                    val encodedUri = URLEncoder.encode(imageUri, "UTF-8")
+                    navController.navigate("${AppRoutes.IMAGE_DETAIL}/$encodedUri")
+                },
+                onAlbumClick = { tagValue ->
+                    navController.navigate("album/tag/$tagValue")
+                }
+            )
+        }
+
+        /**
+         * EXPLORE SCREEN
+         */
+        composable(AppRoutes.EXPLORE) {
+            ExploreScreen(
+                onAlbumClick = { albumType, albumId ->
+                    navController.navigate("album/$albumType/$albumId")
+                }
+            )
+        }
+
+        /**
+         * IMAGE DETAIL SCREEN - UPDATED: Receives image list for navigation
+         */
+        composable(
+            route = "${AppRoutes.IMAGE_DETAIL}/{imageUri}",
+            arguments = listOf(
+                navArgument("imageUri") {
+                    type = NavType.StringType
+                }
+            )
+        ) { backStackEntry ->
+            val imageUri = backStackEntry.arguments?.getString("imageUri")
+                ?.let { URLDecoder.decode(it, "UTF-8") }
+                ?: error("imageUri missing from navigation")
+
+            // Get image list from holder
+            val allImageUris = ImageListHolder.getImageList()
+
+            ImageDetailScreen(
+                imageUri = imageUri,
+                onBack = {
+                    ImageListHolder.clear() // Clean up when leaving
+                    navController.popBackStack()
+                },
+                navController = navController,
+                allImageUris = allImageUris
+            )
+        }
+
+        /**
+         * ALBUM VIEW SCREEN - UPDATED: Stores image list for navigation
+         */
+        composable(
+            route = "album/{albumType}/{albumId}",
+            arguments = listOf(
+                navArgument("albumType") {
+                    type = NavType.StringType
+                },
+                navArgument("albumId") {
+                    type = NavType.StringType
+                }
+            )
+        ) {
+            val albumViewModel: AlbumViewModel = hiltViewModel()
+            val uiState by albumViewModel.uiState.collectAsStateWithLifecycle()
+
+            AlbumViewScreen(
+                onBack = {
+                    navController.popBackStack()
+                },
+                onImageClick = { imageUri ->
+                    // Store full album image list
+                    val allImageUris = if (uiState is com.placeholder.sherpai2.ui.album.AlbumUiState.Success) {
+                        (uiState as com.placeholder.sherpai2.ui.album.AlbumUiState.Success)
+                            .photos
+                            .map { it.image.imageUri }
+                    } else {
+                        emptyList()
+                    }
+
+                    ImageListHolder.setImageList(allImageUris)
+
+                    val encodedUri = URLEncoder.encode(imageUri, "UTF-8")
+                    navController.navigate("${AppRoutes.IMAGE_DETAIL}/$encodedUri")
+                }
+            )
+        }
+
+        // ==========================================
+        // FACE RECOGNITION SYSTEM
+        // ==========================================
+
+        /**
+         * PERSON INVENTORY SCREEN
+         */
+        composable(AppRoutes.INVENTORY) {
+            PersonInventoryScreen(
+                onViewPersonPhotos = { personId ->
+                    navController.navigate(AppRoutes.SEARCH)
+                }
+            )
+        }
+
+        /**
+         * TRAINING FLOW
+         */
+        composable(AppRoutes.TRAIN) { entry ->
+            val trainViewModel: TrainViewModel = hiltViewModel()
+            val uiState by trainViewModel.uiState.collectAsState()
+
+            val selectedUris = entry.savedStateHandle.get<List<Uri>>("selected_image_uris")
+
+            LaunchedEffect(selectedUris) {
+                if (selectedUris != null && uiState is ScanningState.Idle) {
+                    trainViewModel.scanAndTagFaces(selectedUris)
+                    entry.savedStateHandle.remove<List<Uri>>("selected_image_uris")
+                }
+            }
+
+            when (uiState) {
+                is ScanningState.Idle -> {
+                    TrainingScreen(
+                        onSelectImages = {
+                            navController.navigate(AppRoutes.IMAGE_SELECTOR)
+                        }
+                    )
+                }
+                else -> {
+                    ScanResultsScreen(
+                        state = uiState,
+                        onFinish = {
+                            navController.navigate(AppRoutes.INVENTORY) {
+                                popUpTo(AppRoutes.TRAIN) { inclusive = true }
+                            }
+                        }
+                    )
+                }
+            }
+        }
+
+        /**
+         * IMAGE SELECTOR SCREEN
+         */
+        composable(AppRoutes.IMAGE_SELECTOR) {
+            ImageSelectorScreen(
+                onImagesSelected = { uris ->
+                    navController.previousBackStackEntry
+                        ?.savedStateHandle
+                        ?.set("selected_image_uris", uris)
+                    navController.popBackStack()
+                }
+            )
+        }
+
+        /**
+         * MODELS SCREEN
+         */
+        composable(AppRoutes.MODELS) {
+            DummyScreen(
+                title = "AI Models",
+                subtitle = "Manage face recognition models"
+            )
+        }
+
+        // ==========================================
+        // ORGANIZATION
+        // ==========================================
+
+        /**
+         * TAGS SCREEN
+         */
+        composable(AppRoutes.TAGS) {
+            TagManagementScreen()
+        }
+
+        /**
+         * UTILITIES SCREEN
+         */
+        composable(AppRoutes.UTILITIES) {
+            PhotoUtilitiesScreen()
+        }
+
+        // ==========================================
+        // SETTINGS
+        // ==========================================
+
+        /**
+         * SETTINGS SCREEN
+         */
+        composable(AppRoutes.SETTINGS) {
+            DummyScreen(
+                title = "Settings",
+                subtitle = "App preferences and configuration"
+            )
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/navigation/AppRoutes.kt

@@ -0,0 +1,40 @@
+package com.placeholder.sherpai2.ui.navigation
+
+/**
+ * Centralized list of navigation routes used by NavHost.
+ *
+ * This intentionally mirrors AppDestinations.route
+ * but exists as a pure navigation concern.
+ *
+ * Why:
+ * - Drawer UI ≠ Navigation system
+ * - Keeps NavHost decoupled from icons / labels
+ */
+object AppRoutes {
+    // Photo browsing
+    const val SEARCH = "search"
+    const val EXPLORE = "explore"
+    const val IMAGE_DETAIL = "IMAGE_DETAIL"
+
+    // Face recognition
+    const val INVENTORY = "inv"
+    const val TRAIN = "train"
+    const val MODELS = "models"
+
+    // Organization
+    const val TAGS = "tags"
+    const val UTILITIES = "utilities"  // CHANGED from UPLOAD
+
+    // Settings
+    const val SETTINGS = "settings"
+
+    // Internal training flow screens
+    const val IMAGE_SELECTOR = "Image Selection"
+    const val CROP_SCREEN = "CROP_SCREEN"
+    const val TRAINING_SCREEN = "TRAINING_SCREEN"
+    const val ScanResultsScreen = "First Scan Results"
+
+    // Album view
+    const val ALBUM_VIEW = "album/{albumType}/{albumId}"
+    fun albumRoute(albumType: String, albumId: String) = "album/$albumType/$albumId"
+}

app/src/main/java/com/placeholder/sherpai2/ui/navigation/Imagelistholder.kt

@@ -0,0 +1,21 @@
+package com.placeholder.sherpai2.ui.navigation
+
+/**
+ * Simple holder for passing image lists between screens
+ * Used for prev/next navigation in ImageDetailScreen
+ */
+object ImageListHolder {
+    private var imageUris: List<String> = emptyList()
+
+    fun setImageList(uris: List<String>) {
+        imageUris = uris
+    }
+
+    fun getImageList(): List<String> {
+        return imageUris
+    }
+
+    fun clear() {
+        imageUris = emptyList()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/navigation/MainScreen.kt

@@ -1,63 +0,0 @@
-// In presentation/MainScreen.kt
-package com.placeholder.sherpai2.presentation
-
-import GalleryViewModel
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Menu
-import androidx.compose.material3.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Modifier
-import androidx.lifecycle.viewmodel.compose.viewModel
-import com.placeholder.sherpai2.ui.navigation.AppDestinations
-import com.placeholder.sherpai2.ui.presentation.AppDrawerContent
-import com.placeholder.sherpai2.ui.presentation.MainContentArea
-import kotlinx.coroutines.launch
-
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun MainScreen() {
-    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
-    val scope = rememberCoroutineScope()
-    // State to track which screen is currently visible
-    // var currentScreen by remember { mutableStateOf(AppDestinations.Search) }
-    var currentScreen: AppDestinations by remember { mutableStateOf(AppDestinations.Search) }
-    val galleryViewModel: GalleryViewModel = viewModel()
-
-    // ModalNavigationDrawer provides the left sidebar UI/UX
-    ModalNavigationDrawer(
-        drawerState = drawerState,
-        drawerContent = {
-            // The content of the drawer (AppDrawerContent)
-            AppDrawerContent(
-                currentScreen = currentScreen,
-                onDestinationClicked = { destination ->
-                    currentScreen = destination
-                    scope.launch { drawerState.close() } // Close drawer after selection
-                }
-            )
-        },
-    ) {
-        // The main content area
-        Scaffold(
-            topBar = {
-                TopAppBar(
-                    title = { Text(currentScreen.label) },
-                    // Button to open the drawer
-                    navigationIcon = {
-                        IconButton(onClick = { scope.launch { drawerState.open() } }) {
-                            Icon(Icons.Filled.Menu, contentDescription = "Open Drawer")
-                        }
-                    }
-                )
-            }
-        ) { paddingValues ->
-            // Displays the content for the currently selected screen
-            MainContentArea(
-                currentScreen = currentScreen,
-                galleryViewModel = galleryViewModel,
-                modifier = Modifier.padding(paddingValues)
-            )
-        }
-    }
-}

app/src/main/java/com/placeholder/sherpai2/ui/presentation/AppDrawerContent.kt

@@ -1,59 +1,235 @@
-// In presentation/AppDrawerContent.kt
 package com.placeholder.sherpai2.ui.presentation
 
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.*
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
-import com.placeholder.sherpai2.ui.navigation.AppDestinations
-import com.placeholder.sherpai2.ui.navigation.mainDrawerItems
-import com.placeholder.sherpai2.ui.navigation.utilityDrawerItems
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.Label
+import androidx.compose.material.icons.filled.*
+import com.placeholder.sherpai2.ui.navigation.AppRoutes
 
+/**
+ * SLIMMED DOWN AppDrawer - 280dp width, inline logo, cleaner sections
+ */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun AppDrawerContent(
-    currentScreen: AppDestinations,
-    onDestinationClicked: (AppDestinations) -> Unit
+    currentRoute: String?,
+    onDestinationClicked: (String) -> Unit
 ) {
-    // Defines the width and content of the sliding drawer panel
-    ModalDrawerSheet(modifier = Modifier.width(280.dp)) {
+    ModalDrawerSheet(
+        modifier = Modifier.width(280.dp), // SLIMMER (was 300dp)
+        drawerContainerColor = MaterialTheme.colorScheme.surface
+    ) {
+        Column(modifier = Modifier.fillMaxSize()) {
 
-        // Header/Logo Area
+            // ===== COMPACT HEADER - Icon + Text Inline =====
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .background(
+                        Brush.verticalGradient(
+                            colors = listOf(
+                                MaterialTheme.colorScheme.primaryContainer,
+                                MaterialTheme.colorScheme.surface
+                            )
+                        )
+                    )
+                    .padding(20.dp) // Reduced padding
+            ) {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    // App icon - smaller
+                    Surface(
+                        modifier = Modifier.size(48.dp), // Smaller (was 56dp)
+                        shape = RoundedCornerShape(14.dp),
+                        color = MaterialTheme.colorScheme.primary,
+                        shadowElevation = 4.dp
+                    ) {
+                        Box(contentAlignment = Alignment.Center) {
+                            Icon(
+                                Icons.Default.Face,
+                                contentDescription = null,
+                                modifier = Modifier.size(28.dp),
+                                tint = MaterialTheme.colorScheme.onPrimary
+                            )
+                        }
+                    }
+
+                    // Text next to icon
+                    Column(verticalArrangement = Arrangement.spacedBy(2.dp)) {
                         Text(
-            "SherpAI Control Panel",
-            style = MaterialTheme.typography.headlineSmall,
-            modifier = Modifier.padding(16.dp)
+                            "SherpAI",
+                            style = MaterialTheme.typography.titleLarge, // Smaller (was headlineMedium)
+                            fontWeight = FontWeight.Bold,
+                            color = MaterialTheme.colorScheme.onSurface
                         )
-        Divider(Modifier.fillMaxWidth())
 
-        // 1. Main Navigation Items
-        Column(modifier = Modifier.padding(vertical = 8.dp)) {
-            mainDrawerItems.forEach { destination ->
-                NavigationDrawerItem(
-                    label = { Text(destination.label) },
-                    icon = { Icon(destination.icon, contentDescription = destination.label) },
-                    selected = destination == currentScreen,
-                    onClick = { onDestinationClicked(destination) },
-                    modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+                        Text(
+                            "Face Recognition System",
+                            style = MaterialTheme.typography.bodySmall, // Smaller
+                            color = MaterialTheme.colorScheme.onSurfaceVariant
                         )
                     }
                 }
+            }
 
-        // Separator
-        Divider(Modifier.fillMaxWidth().padding(vertical = 8.dp))
+            Spacer(modifier = Modifier.height(4.dp)) // Reduced spacing
 
-        // 2. Utility Items
-        Column(modifier = Modifier.padding(vertical = 8.dp)) {
-            utilityDrawerItems.forEach { destination ->
-                NavigationDrawerItem(
-                    label = { Text(destination.label) },
-                    icon = { Icon(destination.icon, contentDescription = destination.label) },
-                    selected = destination == currentScreen,
-                    onClick = { onDestinationClicked(destination) },
-                    modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+            // ===== NAVIGATION SECTIONS =====
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .weight(1f)
+                    .padding(horizontal = 8.dp), // Reduced padding
+                verticalArrangement = Arrangement.spacedBy(2.dp) // Tighter spacing
+            ) {
+
+                // Photos Section
+                DrawerSection(title = "Photos")
+
+                val photoItems = listOf(
+                    DrawerItem(AppRoutes.SEARCH, "Search", Icons.Default.Search),
+                    DrawerItem(AppRoutes.EXPLORE, "Explore", Icons.Default.Explore)
                 )
+
+                photoItems.forEach { item ->
+                    DrawerNavigationItem(
+                        item = item,
+                        selected = item.route == currentRoute,
+                        onClick = { onDestinationClicked(item.route) }
+                    )
+                }
+
+                Spacer(modifier = Modifier.height(4.dp))
+
+                // Face Recognition Section
+                DrawerSection(title = "Face Recognition")
+
+                val faceItems = listOf(
+                    DrawerItem(AppRoutes.INVENTORY, "People", Icons.Default.Face),
+                    DrawerItem(AppRoutes.TRAIN, "Train New", Icons.Default.ModelTraining),
+                    DrawerItem(AppRoutes.MODELS, "Models", Icons.Default.SmartToy)
+                )
+
+                faceItems.forEach { item ->
+                    DrawerNavigationItem(
+                        item = item,
+                        selected = item.route == currentRoute,
+                        onClick = { onDestinationClicked(item.route) }
+                    )
+                }
+
+                Spacer(modifier = Modifier.height(4.dp))
+
+                // Organization Section
+                DrawerSection(title = "Organization")
+
+                val orgItems = listOf(
+                    DrawerItem(AppRoutes.TAGS, "Tags", Icons.AutoMirrored.Filled.Label),
+                    DrawerItem(AppRoutes.UTILITIES, "Utilities", Icons.Default.Build)
+                )
+
+                orgItems.forEach { item ->
+                    DrawerNavigationItem(
+                        item = item,
+                        selected = item.route == currentRoute,
+                        onClick = { onDestinationClicked(item.route) }
+                    )
+                }
+
+                Spacer(modifier = Modifier.weight(1f))
+
+                // Settings at bottom
+                HorizontalDivider(
+                    modifier = Modifier.padding(vertical = 6.dp),
+                    color = MaterialTheme.colorScheme.outlineVariant
+                )
+
+                DrawerNavigationItem(
+                    item = DrawerItem(
+                        AppRoutes.SETTINGS,
+                        "Settings",
+                        Icons.Default.Settings
+                    ),
+                    selected = AppRoutes.SETTINGS == currentRoute,
+                    onClick = { onDestinationClicked(AppRoutes.SETTINGS) }
+                )
+
+                Spacer(modifier = Modifier.height(4.dp))
             }
         }
     }
 }
+
+/**
+ * Section header - more compact
+ */
+@Composable
+private fun DrawerSection(title: String) {
+    Text(
+        text = title,
+        style = MaterialTheme.typography.labelSmall, // Smaller
+        fontWeight = FontWeight.Bold,
+        color = MaterialTheme.colorScheme.primary,
+        modifier = Modifier.padding(horizontal = 16.dp, vertical = 6.dp) // Reduced padding
+    )
+}
+
+/**
+ * Navigation item - cleaner, no subtitle
+ */
+@Composable
+private fun DrawerNavigationItem(
+    item: DrawerItem,
+    selected: Boolean,
+    onClick: () -> Unit
+) {
+    NavigationDrawerItem(
+        label = {
+            Text(
+                text = item.label,
+                style = MaterialTheme.typography.bodyMedium, // Slightly smaller
+                fontWeight = if (selected) FontWeight.SemiBold else FontWeight.Normal
+            )
+        },
+        icon = {
+            Icon(
+                item.icon,
+                contentDescription = item.label,
+                modifier = Modifier.size(22.dp) // Slightly smaller
+            )
+        },
+        selected = selected,
+        onClick = onClick,
+        modifier = Modifier
+            .padding(NavigationDrawerItemDefaults.ItemPadding)
+            .clip(RoundedCornerShape(10.dp)), // Slightly smaller radius
+        colors = NavigationDrawerItemDefaults.colors(
+            selectedContainerColor = MaterialTheme.colorScheme.primaryContainer,
+            selectedIconColor = MaterialTheme.colorScheme.primary,
+            selectedTextColor = MaterialTheme.colorScheme.onPrimaryContainer,
+            unselectedContainerColor = Color.Transparent
+        )
+    )
+}
+
+/**
+ * Simplified drawer item (no subtitle)
+ */
+private data class DrawerItem(
+    val route: String,
+    val label: String,
+    val icon: androidx.compose.ui.graphics.vector.ImageVector
+)

app/src/main/java/com/placeholder/sherpai2/ui/presentation/MainContentArea.kt

@@ -1,56 +0,0 @@
-// In presentation/MainContentArea.kt
-package com.placeholder.sherpai2.ui.presentation
-
-import GalleryScreen
-import GalleryViewModel
-import androidx.compose.ui.graphics.Color
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import com.placeholder.sherpai2.ui.navigation.AppDestinations
-import com.placeholder.sherpai2.ui.theme.SherpAI2Theme
-import androidx.lifecycle.viewmodel.compose.viewModel
-@Composable
-fun MainContentArea(currentScreen: AppDestinations, modifier: Modifier = Modifier, galleryViewModel: GalleryViewModel = viewModel() ) {
-    val uiState by galleryViewModel.uiState.collectAsState()
-   Box(
-        modifier = modifier
-            .fillMaxSize()
-            .background(Color.Red),
-        contentAlignment = Alignment.Center
-    ) {
-        // Swaps the UI content based on the selected screen from the drawer
-        when (currentScreen) {
-            AppDestinations.Tour -> GalleryScreen(state = uiState, modifier = Modifier)
-            AppDestinations.Search -> SimplePlaceholder("Find Any Photos.")
-            AppDestinations.Models -> SimplePlaceholder("Models Screen: Manage your LoRA/embeddings.")
-            AppDestinations.Inventory -> SimplePlaceholder("Inventory Screen: View all collected data.")
-            AppDestinations.Train -> SimplePlaceholder("Train Screen: Start the LoRA adaptation process.")
-            AppDestinations.Tags -> SimplePlaceholder("Tags Screen: Create and edit custom tags.")
-            AppDestinations.Upload -> SimplePlaceholder("Upload Screen: Import new photos/data.")
-            AppDestinations.Settings -> SimplePlaceholder("Settings Screen: Configure app behavior.")
-        }
-    }
-}
-
-@Composable
-private fun SimplePlaceholder(text: String) {
-    Text(
-        text = text,
-        style = MaterialTheme.typography.titleLarge,
-        modifier = Modifier.padding(16.dp).background(color = Color.Magenta)
-    )
-}
-
-
-

app/src/main/java/com/placeholder/sherpai2/ui/presentation/MainScreen.kt

@@ -0,0 +1,219 @@
+package com.placeholder.sherpai2.ui.presentation
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.slideInVertically
+import androidx.compose.animation.slideOutVertically
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import com.placeholder.sherpai2.ui.navigation.AppNavHost
+import com.placeholder.sherpai2.ui.navigation.AppRoutes
+import kotlinx.coroutines.launch
+
+/**
+ * Beautiful main screen with gradient header, dynamic actions, and polish
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MainScreen() {
+    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
+    val scope = rememberCoroutineScope()
+    val navController = rememberNavController()
+
+    val navBackStackEntry by navController.currentBackStackEntryAsState()
+    val currentRoute = navBackStackEntry?.destination?.route ?: AppRoutes.SEARCH
+
+    ModalNavigationDrawer(
+        drawerState = drawerState,
+        drawerContent = {
+            AppDrawerContent(
+                currentRoute = currentRoute,
+                onDestinationClicked = { route ->
+                    scope.launch {
+                        drawerState.close()
+                        if (route != currentRoute) {
+                            navController.navigate(route) {
+                                launchSingleTop = true
+                            }
+                        }
+                    }
+                }
+            )
+        },
+    ) {
+        Scaffold(
+            topBar = {
+                TopAppBar(
+                    title = {
+                        Column {
+                            Text(
+                                text = getScreenTitle(currentRoute),
+                                style = MaterialTheme.typography.titleLarge,
+                                fontWeight = FontWeight.Bold
+                            )
+                            getScreenSubtitle(currentRoute)?.let { subtitle ->
+                                Text(
+                                    text = subtitle,
+                                    style = MaterialTheme.typography.bodySmall,
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                                )
+                            }
+                        }
+                    },
+                    navigationIcon = {
+                        IconButton(
+                            onClick = { scope.launch { drawerState.open() } }
+                        ) {
+                            Icon(
+                                Icons.Default.Menu,
+                                contentDescription = "Open Menu",
+                                tint = MaterialTheme.colorScheme.primary
+                            )
+                        }
+                    },
+                    actions = {
+                        // Dynamic actions based on current screen
+                        when (currentRoute) {
+                            AppRoutes.SEARCH -> {
+                                IconButton(onClick = { /* TODO: Open filter dialog */ }) {
+                                    Icon(
+                                        Icons.Default.FilterList,
+                                        contentDescription = "Filter",
+                                        tint = MaterialTheme.colorScheme.primary
+                                    )
+                                }
+                            }
+                            AppRoutes.INVENTORY -> {
+                                IconButton(onClick = {
+                                    navController.navigate(AppRoutes.TRAIN)
+                                }) {
+                                    Icon(
+                                        Icons.Default.PersonAdd,
+                                        contentDescription = "Add Person",
+                                        tint = MaterialTheme.colorScheme.primary
+                                    )
+                                }
+                            }
+                            AppRoutes.TAGS -> {
+                                IconButton(onClick = { /* TODO: Add tag */ }) {
+                                    Icon(
+                                        Icons.Default.Add,
+                                        contentDescription = "Add Tag",
+                                        tint = MaterialTheme.colorScheme.primary
+                                    )
+                                }
+                            }
+                        }
+                    },
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = MaterialTheme.colorScheme.surface,
+                        titleContentColor = MaterialTheme.colorScheme.onSurface,
+                        navigationIconContentColor = MaterialTheme.colorScheme.primary,
+                        actionIconContentColor = MaterialTheme.colorScheme.primary
+                    )
+                )
+            },
+            floatingActionButton = {
+                // Dynamic FAB based on screen
+                AnimatedVisibility(
+                    visible = shouldShowFab(currentRoute),
+                    enter = slideInVertically(initialOffsetY = { it }) + fadeIn(),
+                    exit = slideOutVertically(targetOffsetY = { it }) + fadeOut()
+                ) {
+                    when (currentRoute) {
+                        AppRoutes.SEARCH -> {
+                            ExtendedFloatingActionButton(
+                                onClick = { /* TODO: Advanced search */ },
+                                icon = {
+                                    Icon(Icons.Default.Tune, "Advanced Search")
+                                },
+                                text = { Text("Filters") },
+                                containerColor = MaterialTheme.colorScheme.primaryContainer,
+                                contentColor = MaterialTheme.colorScheme.onPrimaryContainer
+                            )
+                        }
+                        AppRoutes.TAGS -> {
+                            FloatingActionButton(
+                                onClick = { /* TODO: Add new tag */ },
+                                containerColor = MaterialTheme.colorScheme.primaryContainer,
+                                contentColor = MaterialTheme.colorScheme.onPrimaryContainer
+                            ) {
+                                Icon(Icons.Default.Add, "Add Tag")
+                            }
+                        }
+                        AppRoutes.UTILITIES -> {
+                            ExtendedFloatingActionButton(
+                                onClick = { /* TODO: Select photos */ },
+                                icon = { Icon(Icons.Default.CloudUpload, "Upload") },
+                                text = { Text("Select Photos") },
+                                containerColor = MaterialTheme.colorScheme.primary,
+                                contentColor = MaterialTheme.colorScheme.onPrimary
+                            )
+                        }
+                        else -> {
+                            // No FAB for other screens
+                        }
+                    }
+                }
+            }
+        ) { paddingValues ->
+            AppNavHost(
+                navController = navController,
+                modifier = Modifier.padding(paddingValues)
+            )
+        }
+    }
+}
+
+/**
+ * Get human-readable screen title
+ */
+private fun getScreenTitle(route: String): String {
+    return when (route) {
+        AppRoutes.SEARCH -> "Search"
+        AppRoutes.EXPLORE -> "Explore"  // Will be renamed to EXPLORE
+        AppRoutes.INVENTORY -> "People"
+        AppRoutes.TRAIN -> "Train New Person"
+        AppRoutes.MODELS -> "AI Models"
+        AppRoutes.TAGS -> "Tag Management"
+        AppRoutes.UTILITIES -> "Photo Util."
+        AppRoutes.SETTINGS -> "Settings"
+        else -> "SherpAI"
+    }
+}
+
+/**
+ * Get subtitle for screens that need context
+ */
+private fun getScreenSubtitle(route: String): String? {
+    return when (route) {
+        AppRoutes.SEARCH -> "Find photos by tags, people, or date"
+        AppRoutes.EXPLORE -> "Browse your collection"
+        AppRoutes.INVENTORY -> "Trained face models"
+        AppRoutes.TRAIN -> "Add a new person to recognize"
+        AppRoutes.TAGS -> "Organize your photo collection"
+        AppRoutes.UTILITIES -> "Tools for managing collection"
+        else -> null
+    }
+}
+
+/**
+ * Determine if FAB should be shown for current screen
+ */
+private fun shouldShowFab(route: String): Boolean {
+    return when (route) {
+        AppRoutes.SEARCH,
+        AppRoutes.TAGS,
+        AppRoutes.UTILITIES -> true
+        else -> false
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/presentation/PhotoListScreen.kt

@@ -1,34 +0,0 @@
-package com.placeholder.sherpai2.ui.presentation
-
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-
-import coil.compose.rememberAsyncImagePainter
-
-import com.placeholder.sherpai2.data.photos.Photo
-
-@Composable
-fun PhotoListScreen(
-    photos: List<Photo>
-) {
-    LazyColumn(
-        modifier = Modifier.fillMaxSize(),
-        contentPadding = PaddingValues(8.dp)
-    ) {
-        items(photos, key = { it.id }) { photo ->
-            Image(
-                painter = rememberAsyncImagePainter(photo.uri),
-                contentDescription = photo.title,
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(200.dp)
-                    .padding(bottom = 8.dp)
-            )
-        }
-    }
-}

app/src/main/java/com/placeholder/sherpai2/ui/search/SearchScreen.kt

@@ -0,0 +1,577 @@
+package com.placeholder.sherpai2.ui.search
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.grid.*
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import coil.compose.AsyncImage
+
+/**
+ * ADVANCED SearchScreen with Boolean Logic
+ *
+ * Features:
+ * - Include/Exclude people (visual chips)
+ * - Include/Exclude tags (visual chips)
+ * - Clear visual distinction (green = include, red = exclude)
+ * - Real-time filtering
+ * - OpenSearch-style query building
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SearchScreen(
+    modifier: Modifier = Modifier,
+    searchViewModel: SearchViewModel,
+    onImageClick: (String) -> Unit,
+    onAlbumClick: ((String) -> Unit)? = null
+) {
+    val searchQuery by searchViewModel.searchQuery.collectAsStateWithLifecycle()
+    val includedPeople by searchViewModel.includedPeople.collectAsStateWithLifecycle()
+    val excludedPeople by searchViewModel.excludedPeople.collectAsStateWithLifecycle()
+    val includedTags by searchViewModel.includedTags.collectAsStateWithLifecycle()
+    val excludedTags by searchViewModel.excludedTags.collectAsStateWithLifecycle()
+    val dateRange by searchViewModel.dateRange.collectAsStateWithLifecycle()
+
+    val availablePeople by searchViewModel.availablePeople.collectAsStateWithLifecycle()
+    val availableTags by searchViewModel.availableTags.collectAsStateWithLifecycle()
+
+    val images by searchViewModel
+        .searchImages()
+        .collectAsStateWithLifecycle(initialValue = emptyList())
+
+    var showPeoplePicker by remember { mutableStateOf(false) }
+    var showTagPicker by remember { mutableStateOf(false) }
+
+    Column(modifier = modifier.fillMaxSize()) {
+        // Search bar + quick add buttons
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 12.dp),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            OutlinedTextField(
+                value = searchQuery,
+                onValueChange = { searchViewModel.setSearchQuery(it) },
+                placeholder = { Text("Search tags...") },
+                leadingIcon = { Icon(Icons.Default.Search, null) },
+                trailingIcon = {
+                    if (searchQuery.isNotEmpty()) {
+                        IconButton(onClick = { searchViewModel.setSearchQuery("") }) {
+                            Icon(Icons.Default.Close, "Clear")
+                        }
+                    }
+                },
+                modifier = Modifier.weight(1f),
+                singleLine = true,
+                shape = RoundedCornerShape(12.dp)
+            )
+
+            // Add person button
+            IconButton(
+                onClick = { showPeoplePicker = true },
+                colors = IconButtonDefaults.iconButtonColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer
+                )
+            ) {
+                Icon(Icons.Default.PersonAdd, "Add person filter")
+            }
+
+            // Add tag button
+            IconButton(
+                onClick = { showTagPicker = true },
+                colors = IconButtonDefaults.iconButtonColors(
+                    containerColor = MaterialTheme.colorScheme.secondaryContainer
+                )
+            ) {
+                Icon(Icons.Default.LabelImportant, "Add tag filter")
+            }
+        }
+
+        // Active filters display (chips)
+        if (searchViewModel.hasActiveFilters()) {
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 4.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f)
+                )
+            ) {
+                Column(
+                    modifier = Modifier.padding(12.dp),
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text(
+                            "Active Filters",
+                            style = MaterialTheme.typography.labelLarge,
+                            fontWeight = FontWeight.Bold
+                        )
+                        TextButton(
+                            onClick = { searchViewModel.clearAllFilters() },
+                            contentPadding = PaddingValues(horizontal = 8.dp, vertical = 4.dp)
+                        ) {
+                            Text("Clear All", style = MaterialTheme.typography.labelMedium)
+                        }
+                    }
+
+                    // Included People (GREEN)
+                    if (includedPeople.isNotEmpty()) {
+                        LazyRow(
+                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                            contentPadding = PaddingValues(vertical = 4.dp)
+                        ) {
+                            items(includedPeople.toList()) { personId ->
+                                val person = availablePeople.find { it.id == personId }
+                                if (person != null) {
+                                    FilterChip(
+                                        selected = true,
+                                        onClick = { searchViewModel.excludePerson(personId) },
+                                        onLongClick = { searchViewModel.removePersonFilter(personId) },
+                                        label = { Text(person.name) },
+                                        leadingIcon = {
+                                            Icon(Icons.Default.Person, null, Modifier.size(16.dp))
+                                        },
+                                        trailingIcon = {
+                                            Icon(Icons.Default.Check, null, Modifier.size(16.dp))
+                                        },
+                                        colors = FilterChipDefaults.filterChipColors(
+                                            selectedContainerColor = Color(0xFF4CAF50), // Green
+                                            selectedLabelColor = Color.White
+                                        )
+                                    )
+                                }
+                            }
+                        }
+                    }
+
+                    // Excluded People (RED)
+                    if (excludedPeople.isNotEmpty()) {
+                        LazyRow(
+                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                            contentPadding = PaddingValues(vertical = 4.dp)
+                        ) {
+                            items(excludedPeople.toList()) { personId ->
+                                val person = availablePeople.find { it.id == personId }
+                                if (person != null) {
+                                    FilterChip(
+                                        selected = true,
+                                        onClick = { searchViewModel.includePerson(personId) },
+                                        onLongClick = { searchViewModel.removePersonFilter(personId) },
+                                        label = { Text(person.name) },
+                                        leadingIcon = {
+                                            Icon(Icons.Default.Person, null, Modifier.size(16.dp))
+                                        },
+                                        trailingIcon = {
+                                            Icon(Icons.Default.Close, null, Modifier.size(16.dp))
+                                        },
+                                        colors = FilterChipDefaults.filterChipColors(
+                                            selectedContainerColor = Color(0xFFF44336), // Red
+                                            selectedLabelColor = Color.White
+                                        )
+                                    )
+                                }
+                            }
+                        }
+                    }
+
+                    // Included Tags (GREEN)
+                    if (includedTags.isNotEmpty()) {
+                        LazyRow(
+                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                            contentPadding = PaddingValues(vertical = 4.dp)
+                        ) {
+                            items(includedTags.toList()) { tagValue ->
+                                FilterChip(
+                                    selected = true,
+                                    onClick = { searchViewModel.excludeTag(tagValue) },
+                                    onLongClick = { searchViewModel.removeTagFilter(tagValue) },
+                                    label = { Text(tagValue) },
+                                    leadingIcon = {
+                                        Icon(Icons.Default.Label, null, Modifier.size(16.dp))
+                                    },
+                                    trailingIcon = {
+                                        Icon(Icons.Default.Check, null, Modifier.size(16.dp))
+                                    },
+                                    colors = FilterChipDefaults.filterChipColors(
+                                        selectedContainerColor = Color(0xFF4CAF50),
+                                        selectedLabelColor = Color.White
+                                    )
+                                )
+                            }
+                        }
+                    }
+
+                    // Excluded Tags (RED)
+                    if (excludedTags.isNotEmpty()) {
+                        LazyRow(
+                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                            contentPadding = PaddingValues(vertical = 4.dp)
+                        ) {
+                            items(excludedTags.toList()) { tagValue ->
+                                FilterChip(
+                                    selected = true,
+                                    onClick = { searchViewModel.includeTag(tagValue) },
+                                    onLongClick = { searchViewModel.removeTagFilter(tagValue) },
+                                    label = { Text(tagValue) },
+                                    leadingIcon = {
+                                        Icon(Icons.Default.Label, null, Modifier.size(16.dp))
+                                    },
+                                    trailingIcon = {
+                                        Icon(Icons.Default.Close, null, Modifier.size(16.dp))
+                                    },
+                                    colors = FilterChipDefaults.filterChipColors(
+                                        selectedContainerColor = Color(0xFFF44336),
+                                        selectedLabelColor = Color.White
+                                    )
+                                )
+                            }
+                        }
+                    }
+
+                    // Date range
+                    if (dateRange != DateRange.ALL_TIME) {
+                        FilterChip(
+                            selected = true,
+                            onClick = { searchViewModel.setDateRange(DateRange.ALL_TIME) },
+                            label = { Text(dateRange.displayName) },
+                            leadingIcon = {
+                                Icon(Icons.Default.DateRange, null, Modifier.size(16.dp))
+                            },
+                            colors = FilterChipDefaults.filterChipColors(
+                                selectedContainerColor = MaterialTheme.colorScheme.tertiaryContainer
+                            )
+                        )
+                    }
+                }
+            }
+        }
+
+        // Results
+        if (images.isEmpty() && !searchViewModel.hasActiveFilters()) {
+            EmptyState()
+        } else if (images.isEmpty()) {
+            NoResultsState()
+        } else {
+            // Results count
+            Text(
+                text = "${images.size} photos • ${searchViewModel.getSearchSummary()}",
+                modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp),
+                style = MaterialTheme.typography.titleSmall,
+                fontWeight = FontWeight.SemiBold
+            )
+
+            // Image grid
+            LazyVerticalGrid(
+                columns = GridCells.Adaptive(minSize = 120.dp),
+                modifier = Modifier.fillMaxSize(),
+                contentPadding = PaddingValues(start = 16.dp, end = 16.dp, top = 8.dp, bottom = 16.dp),
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                items(
+                    items = images,
+                    key = { it.image.imageUri }
+                ) { imageWithTags ->
+                    Card(
+                        modifier = Modifier
+                            .aspectRatio(1f)
+                            .clickable { onImageClick(imageWithTags.image.imageUri) }
+                    ) {
+                        AsyncImage(
+                            model = imageWithTags.image.imageUri,
+                            contentDescription = null,
+                            modifier = Modifier.fillMaxSize(),
+                            contentScale = androidx.compose.ui.layout.ContentScale.Crop
+                        )
+                    }
+                }
+            }
+        }
+    }
+
+    // People picker dialog
+    if (showPeoplePicker) {
+        PeoplePickerDialog(
+            people = availablePeople,
+            includedPeople = includedPeople,
+            excludedPeople = excludedPeople,
+            onInclude = { searchViewModel.includePerson(it) },
+            onExclude = { searchViewModel.excludePerson(it) },
+            onDismiss = { showPeoplePicker = false }
+        )
+    }
+
+    // Tag picker dialog
+    if (showTagPicker) {
+        TagPickerDialog(
+            tags = availableTags,
+            includedTags = includedTags,
+            excludedTags = excludedTags,
+            onInclude = { searchViewModel.includeTag(it) },
+            onExclude = { searchViewModel.excludeTag(it) },
+            onDismiss = { showTagPicker = false }
+        )
+    }
+}
+
+@Composable
+private fun FilterChip(
+    selected: Boolean,
+    onClick: () -> Unit,
+    onLongClick: (() -> Unit)? = null,
+    label: @Composable () -> Unit,
+    leadingIcon: @Composable (() -> Unit)? = null,
+    trailingIcon: @Composable (() -> Unit)? = null,
+    colors: androidx.compose.material3.SelectableChipColors = FilterChipDefaults.filterChipColors()
+) {
+    androidx.compose.material3.FilterChip(
+        selected = selected,
+        onClick = onClick,
+        label = label,
+        leadingIcon = leadingIcon,
+        trailingIcon = trailingIcon,
+        colors = colors
+    )
+}
+
+@Composable
+private fun PeoplePickerDialog(
+    people: List<com.placeholder.sherpai2.data.local.entity.PersonEntity>,
+    includedPeople: Set<String>,
+    excludedPeople: Set<String>,
+    onInclude: (String) -> Unit,
+    onExclude: (String) -> Unit,
+    onDismiss: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Add People Filter") },
+        text = {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(400.dp)
+                    .verticalScroll(rememberScrollState()),
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                Text(
+                    "Tap to INCLUDE (green) • Long press to EXCLUDE (red)",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+
+                people.forEach { person ->
+                    val isIncluded = person.id in includedPeople
+                    val isExcluded = person.id in excludedPeople
+
+                    Card(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .clickable { onInclude(person.id) },
+                        colors = CardDefaults.cardColors(
+                            containerColor = when {
+                                isIncluded -> Color(0xFF4CAF50).copy(alpha = 0.3f)
+                                isExcluded -> Color(0xFFF44336).copy(alpha = 0.3f)
+                                else -> MaterialTheme.colorScheme.surfaceVariant
+                            }
+                        )
+                    ) {
+                        Row(
+                            modifier = Modifier.padding(12.dp),
+                            horizontalArrangement = Arrangement.SpaceBetween,
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            Text(person.name, fontWeight = FontWeight.Medium)
+                            Row(horizontalArrangement = Arrangement.spacedBy(4.dp)) {
+                                IconButton(
+                                    onClick = { onInclude(person.id) },
+                                    colors = IconButtonDefaults.iconButtonColors(
+                                        containerColor = if (isIncluded) Color(0xFF4CAF50) else Color.Transparent
+                                    )
+                                ) {
+                                    Icon(Icons.Default.Check, "Include", tint = if (isIncluded) Color.White else MaterialTheme.colorScheme.onSurface)
+                                }
+                                IconButton(
+                                    onClick = { onExclude(person.id) },
+                                    colors = IconButtonDefaults.iconButtonColors(
+                                        containerColor = if (isExcluded) Color(0xFFF44336) else Color.Transparent
+                                    )
+                                ) {
+                                    Icon(Icons.Default.Close, "Exclude", tint = if (isExcluded) Color.White else MaterialTheme.colorScheme.onSurface)
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Done")
+            }
+        }
+    )
+}
+
+@Composable
+private fun TagPickerDialog(
+    tags: List<String>,
+    includedTags: Set<String>,
+    excludedTags: Set<String>,
+    onInclude: (String) -> Unit,
+    onExclude: (String) -> Unit,
+    onDismiss: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Add Tag Filter") },
+        text = {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(400.dp)
+                    .verticalScroll(rememberScrollState()),
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                Text(
+                    "Tap to INCLUDE (green) • Long press to EXCLUDE (red)",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+
+                tags.forEach { tagValue ->
+                    val isIncluded = tagValue in includedTags
+                    val isExcluded = tagValue in excludedTags
+
+                    Card(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .clickable { onInclude(tagValue) },
+                        colors = CardDefaults.cardColors(
+                            containerColor = when {
+                                isIncluded -> Color(0xFF4CAF50).copy(alpha = 0.3f)
+                                isExcluded -> Color(0xFFF44336).copy(alpha = 0.3f)
+                                else -> MaterialTheme.colorScheme.surfaceVariant
+                            }
+                        )
+                    ) {
+                        Row(
+                            modifier = Modifier.padding(12.dp),
+                            horizontalArrangement = Arrangement.SpaceBetween,
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            Text(tagValue, fontWeight = FontWeight.Medium)
+                            Row(horizontalArrangement = Arrangement.spacedBy(4.dp)) {
+                                IconButton(
+                                    onClick = { onInclude(tagValue) },
+                                    colors = IconButtonDefaults.iconButtonColors(
+                                        containerColor = if (isIncluded) Color(0xFF4CAF50) else Color.Transparent
+                                    )
+                                ) {
+                                    Icon(Icons.Default.Check, "Include", tint = if (isIncluded) Color.White else MaterialTheme.colorScheme.onSurface)
+                                }
+                                IconButton(
+                                    onClick = { onExclude(tagValue) },
+                                    colors = IconButtonDefaults.iconButtonColors(
+                                        containerColor = if (isExcluded) Color(0xFFF44336) else Color.Transparent
+                                    )
+                                ) {
+                                    Icon(Icons.Default.Close, "Exclude", tint = if (isExcluded) Color.White else MaterialTheme.colorScheme.onSurface)
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Done")
+            }
+        }
+    )
+}
+
+@Composable
+private fun EmptyState() {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(32.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            Icon(
+                Icons.Default.Search,
+                contentDescription = null,
+                modifier = Modifier.size(64.dp),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.6f)
+            )
+            Text(
+                "Advanced Search",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+            Text(
+                "Add people and tags to build your search",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+    }
+}
+
+@Composable
+private fun NoResultsState() {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(32.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Icon(
+                Icons.Default.SearchOff,
+                contentDescription = null,
+                modifier = Modifier.size(64.dp),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.6f)
+            )
+            Text(
+                "No photos found",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+            Text(
+                "Try different filters",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/search/SearchViewModel.kt

@@ -0,0 +1,307 @@
+package com.placeholder.sherpai2.ui.search
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.dao.ImageAggregateDao
+import com.placeholder.sherpai2.data.local.dao.PersonDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.local.entity.PersonEntity
+import com.placeholder.sherpai2.data.local.entity.PhotoFaceTagEntity
+import com.placeholder.sherpai2.data.repository.FaceRecognitionRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import java.util.Calendar
+import javax.inject.Inject
+
+/**
+ * OPTIMIZED SearchViewModel with Boolean Logic
+ *
+ * PERFORMANCE: NO N+1 QUERIES!
+ * ✅ ImageAggregateDao loads tags via @Relation (1 query for 100 images!)
+ * ✅ Person cache for O(1) faceModelId lookups
+ * ✅ All filtering in memory (FAST)
+ */
+@HiltViewModel
+class SearchViewModel @Inject constructor(
+    private val imageAggregateDao: ImageAggregateDao,
+    private val faceRecognitionRepository: FaceRecognitionRepository,
+    private val personDao: PersonDao,
+    private val tagDao: TagDao
+) : ViewModel() {
+
+    private val _searchQuery = MutableStateFlow("")
+    val searchQuery: StateFlow<String> = _searchQuery.asStateFlow()
+
+    private val _includedPeople = MutableStateFlow<Set<String>>(emptySet())
+    val includedPeople: StateFlow<Set<String>> = _includedPeople.asStateFlow()
+
+    private val _excludedPeople = MutableStateFlow<Set<String>>(emptySet())
+    val excludedPeople: StateFlow<Set<String>> = _excludedPeople.asStateFlow()
+
+    private val _includedTags = MutableStateFlow<Set<String>>(emptySet())
+    val includedTags: StateFlow<Set<String>> = _includedTags.asStateFlow()
+
+    private val _excludedTags = MutableStateFlow<Set<String>>(emptySet())
+    val excludedTags: StateFlow<Set<String>> = _excludedTags.asStateFlow()
+
+    private val _dateRange = MutableStateFlow(DateRange.ALL_TIME)
+    val dateRange: StateFlow<DateRange> = _dateRange.asStateFlow()
+
+    private val _availablePeople = MutableStateFlow<List<PersonEntity>>(emptyList())
+    val availablePeople: StateFlow<List<PersonEntity>> = _availablePeople.asStateFlow()
+
+    private val _availableTags = MutableStateFlow<List<String>>(emptyList())
+    val availableTags: StateFlow<List<String>> = _availableTags.asStateFlow()
+
+    private val personCache = mutableMapOf<String, String>()
+
+    init {
+        loadAvailableFilters()
+        buildPersonCache()
+    }
+
+    private fun buildPersonCache() {
+        viewModelScope.launch {
+            val people = personDao.getAllPersons()
+            people.forEach { person ->
+                val stats = faceRecognitionRepository.getPersonFaceStats(person.id)
+                if (stats != null) {
+                    personCache[stats.faceModelId] = person.id
+                }
+            }
+        }
+    }
+
+    fun searchImages(): Flow<List<ImageWithFaceTags>> {
+        return combine(
+            _searchQuery,
+            _includedPeople,
+            _excludedPeople,
+            _includedTags,
+            _excludedTags,
+            _dateRange
+        ) { values: Array<*> ->
+            SearchCriteria(
+                query = values[0] as String,
+                includedPeople = values[1] as Set<String>,
+                excludedPeople = values[2] as Set<String>,
+                includedTags = values[3] as Set<String>,
+                excludedTags = values[4] as Set<String>,
+                dateRange = values[5] as DateRange
+            )
+        }.flatMapLatest { criteria ->
+            imageAggregateDao.observeAllImagesWithEverything()
+                .map { imagesList ->
+                    imagesList.mapNotNull { imageWithEverything ->
+                        if (!isInDateRange(imageWithEverything.image.capturedAt, criteria.dateRange)) {
+                            return@mapNotNull null
+                        }
+
+                        val personIds = imageWithEverything.faceTags
+                            .mapNotNull { faceTag -> personCache[faceTag.faceModelId] }
+                            .toSet()
+
+                        val imageTags = imageWithEverything.tags
+                            .map { it.value }
+                            .toSet()
+
+                        val passesFilter = applyBooleanLogic(
+                            personIds = personIds,
+                            imageTags = imageTags,
+                            criteria = criteria
+                        )
+
+                        if (passesFilter) {
+                            val persons = personIds.mapNotNull { personId ->
+                                _availablePeople.value.find { it.id == personId }
+                            }
+
+                            ImageWithFaceTags(
+                                image = imageWithEverything.image,
+                                faceTags = imageWithEverything.faceTags,
+                                persons = persons
+                            )
+                        } else {
+                            null
+                        }
+                    }.sortedByDescending { it.image.capturedAt }
+                }
+        }
+    }
+
+    private fun applyBooleanLogic(
+        personIds: Set<String>,
+        imageTags: Set<String>,
+        criteria: SearchCriteria
+    ): Boolean {
+        val hasAllIncludedPeople = if (criteria.includedPeople.isNotEmpty()) {
+            criteria.includedPeople.all { it in personIds }
+        } else true
+
+        val hasNoExcludedPeople = if (criteria.excludedPeople.isNotEmpty()) {
+            criteria.excludedPeople.none { it in personIds }
+        } else true
+
+        val hasAllIncludedTags = if (criteria.includedTags.isNotEmpty()) {
+            criteria.includedTags.all { it in imageTags }
+        } else true
+
+        val hasNoExcludedTags = if (criteria.excludedTags.isNotEmpty()) {
+            criteria.excludedTags.none { it in imageTags }
+        } else true
+
+        val matchesTextSearch = if (criteria.query.isNotBlank()) {
+            val normalizedQuery = criteria.query.trim().lowercase()
+            imageTags.any { tag -> tag.lowercase().contains(normalizedQuery) }
+        } else true
+
+        return hasAllIncludedPeople && hasNoExcludedPeople &&
+                hasAllIncludedTags && hasNoExcludedTags &&
+                matchesTextSearch
+    }
+
+    private fun loadAvailableFilters() {
+        viewModelScope.launch {
+            val people = personDao.getAllPersons()
+            _availablePeople.value = people.sortedBy { it.name }
+
+            val tags = tagDao.getByType("SYSTEM")
+            val tagsWithUsage = tags.map { tag ->
+                tag to tagDao.getTagUsageCount(tag.tagId)
+            }
+            _availableTags.value = tagsWithUsage
+                .sortedByDescending { (_, usageCount) -> usageCount }
+                .take(30)
+                .map { (tag, _) -> tag.value }
+        }
+    }
+
+    fun includePerson(personId: String) {
+        _includedPeople.value = _includedPeople.value + personId
+        _excludedPeople.value = _excludedPeople.value - personId
+    }
+
+    fun excludePerson(personId: String) {
+        _excludedPeople.value = _excludedPeople.value + personId
+        _includedPeople.value = _includedPeople.value - personId
+    }
+
+    fun removePersonFilter(personId: String) {
+        _includedPeople.value = _includedPeople.value - personId
+        _excludedPeople.value = _excludedPeople.value - personId
+    }
+
+    fun includeTag(tagValue: String) {
+        _includedTags.value = _includedTags.value + tagValue
+        _excludedTags.value = _excludedTags.value - tagValue
+    }
+
+    fun excludeTag(tagValue: String) {
+        _excludedTags.value = _excludedTags.value + tagValue
+        _includedTags.value = _includedTags.value - tagValue
+    }
+
+    fun removeTagFilter(tagValue: String) {
+        _includedTags.value = _includedTags.value - tagValue
+        _excludedTags.value = _excludedTags.value - tagValue
+    }
+
+    fun setSearchQuery(query: String) {
+        _searchQuery.value = query
+    }
+
+    fun setDateRange(range: DateRange) {
+        _dateRange.value = range
+    }
+
+    fun clearAllFilters() {
+        _searchQuery.value = ""
+        _includedPeople.value = emptySet()
+        _excludedPeople.value = emptySet()
+        _includedTags.value = emptySet()
+        _excludedTags.value = emptySet()
+        _dateRange.value = DateRange.ALL_TIME
+    }
+
+    fun hasActiveFilters(): Boolean {
+        return _searchQuery.value.isNotBlank() ||
+                _includedPeople.value.isNotEmpty() ||
+                _excludedPeople.value.isNotEmpty() ||
+                _includedTags.value.isNotEmpty() ||
+                _excludedTags.value.isNotEmpty() ||
+                _dateRange.value != DateRange.ALL_TIME
+    }
+
+    fun getSearchSummary(): String {
+        val parts = mutableListOf<String>()
+        if (_includedPeople.value.isNotEmpty()) parts.add("WITH: ${_includedPeople.value.size} people")
+        if (_excludedPeople.value.isNotEmpty()) parts.add("WITHOUT: ${_excludedPeople.value.size} people")
+        if (_includedTags.value.isNotEmpty()) parts.add("HAS: ${_includedTags.value.size} tags")
+        if (_excludedTags.value.isNotEmpty()) parts.add("NOT: ${_excludedTags.value.size} tags")
+        if (_dateRange.value != DateRange.ALL_TIME) parts.add(_dateRange.value.displayName)
+        return parts.joinToString(" • ")
+    }
+
+    private fun isInDateRange(timestamp: Long, range: DateRange): Boolean = when (range) {
+        DateRange.ALL_TIME -> true
+        DateRange.TODAY -> isToday(timestamp)
+        DateRange.THIS_WEEK -> isThisWeek(timestamp)
+        DateRange.THIS_MONTH -> isThisMonth(timestamp)
+        DateRange.THIS_YEAR -> isThisYear(timestamp)
+    }
+
+    private fun isToday(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR) &&
+                today.get(Calendar.DAY_OF_YEAR) == date.get(Calendar.DAY_OF_YEAR)
+    }
+
+    private fun isThisWeek(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR) &&
+                today.get(Calendar.WEEK_OF_YEAR) == date.get(Calendar.WEEK_OF_YEAR)
+    }
+
+    private fun isThisMonth(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR) &&
+                today.get(Calendar.MONTH) == date.get(Calendar.MONTH)
+    }
+
+    private fun isThisYear(timestamp: Long): Boolean {
+        val today = Calendar.getInstance()
+        val date = Calendar.getInstance().apply { timeInMillis = timestamp }
+        return today.get(Calendar.YEAR) == date.get(Calendar.YEAR)
+    }
+}
+
+private data class SearchCriteria(
+    val query: String,
+    val includedPeople: Set<String>,
+    val excludedPeople: Set<String>,
+    val includedTags: Set<String>,
+    val excludedTags: Set<String>,
+    val dateRange: DateRange
+)
+
+data class ImageWithFaceTags(
+    val image: ImageEntity,
+    val faceTags: List<PhotoFaceTagEntity>,
+    val persons: List<PersonEntity>
+)
+
+enum class DateRange(val displayName: String) {
+    ALL_TIME("All Time"),
+    TODAY("Today"),
+    THIS_WEEK("This Week"),
+    THIS_MONTH("This Month"),
+    THIS_YEAR("This Year")
+}
+
+@Deprecated("No longer used")
+enum class DisplayMode { SIMPLE, VERBOSE }

app/src/main/java/com/placeholder/sherpai2/ui/search/components/ImageGridItem.kt

@@ -0,0 +1,30 @@
+package com.placeholder.sherpai2.ui.search.components
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import coil.compose.rememberAsyncImagePainter
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+
+/**
+ * ImageGridItem
+ *
+ * Minimal thumbnail preview.
+ * No click handling yet.
+ */
+@Composable
+fun ImageGridItem(
+    image: ImageEntity,
+    modifier: Modifier = Modifier,
+    onClick: (() -> Unit)? = null
+) {
+    Image(
+        painter = rememberAsyncImagePainter(image.imageUri),
+        contentDescription = null,
+        modifier = Modifier
+            .fillMaxWidth()
+            .aspectRatio(1f)
+    )
+}

app/src/main/java/com/placeholder/sherpai2/ui/tags/Tagmanagementscreen.kt

@@ -0,0 +1,638 @@
+package com.placeholder.sherpai2.ui.tags
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.expandVertically
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.shrinkVertically
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import com.placeholder.sherpai2.data.local.entity.TagWithUsage
+
+/**
+ * CLEANED TagManagementScreen - No Scaffold wrapper
+ *
+ * Removed:
+ * - Scaffold wrapper (line 38)
+ * - Moved FAB inline as part of content
+ *
+ * Features:
+ * - Tag list with usage counts
+ * - Search functionality
+ * - Scanning progress
+ * - Delete tags
+ * - System/User tag distinction
+ */
+@Composable
+fun TagManagementScreen(
+    viewModel: TagManagementViewModel = hiltViewModel(),
+    modifier: Modifier = Modifier
+) {
+    val uiState by viewModel.uiState.collectAsState()
+    val scanningState by viewModel.scanningState.collectAsState()
+
+    var showAddTagDialog by remember { mutableStateOf(false) }
+    var showScanMenu by remember { mutableStateOf(false) }
+    var searchQuery by remember { mutableStateOf("") }
+
+    Box(modifier = modifier.fillMaxSize()) {
+        Column(modifier = Modifier.fillMaxSize()) {
+            // Stats Bar
+            StatsBar(uiState)
+
+            // Search Bar
+            SearchBar(
+                searchQuery = searchQuery,
+                onSearchChange = {
+                    searchQuery = it
+                    viewModel.searchTags(it)
+                }
+            )
+
+            // Scanning Progress
+            AnimatedVisibility(
+                visible = scanningState !is TagManagementViewModel.TagScanningState.Idle,
+                enter = expandVertically() + fadeIn(),
+                exit = shrinkVertically() + fadeOut()
+            ) {
+                ScanningProgress(scanningState, viewModel)
+            }
+
+            // Tag List
+            when (val state = uiState) {
+                is TagManagementViewModel.TagUiState.Loading -> {
+                    Box(
+                        modifier = Modifier.fillMaxSize(),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        CircularProgressIndicator()
+                    }
+                }
+                is TagManagementViewModel.TagUiState.Success -> {
+                    if (state.tags.isEmpty()) {
+                        EmptyTagsView()
+                    } else {
+                        TagList(
+                            tags = state.tags,
+                            onDeleteTag = { viewModel.deleteTag(it) }
+                        )
+                    }
+                }
+                is TagManagementViewModel.TagUiState.Error -> {
+                    Box(
+                        modifier = Modifier.fillMaxSize(),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Column(
+                            horizontalAlignment = Alignment.CenterHorizontally,
+                            verticalArrangement = Arrangement.spacedBy(8.dp)
+                        ) {
+                            Icon(
+                                Icons.Default.Error,
+                                contentDescription = null,
+                                modifier = Modifier.size(48.dp),
+                                tint = MaterialTheme.colorScheme.error
+                            )
+                            Text(
+                                text = state.message,
+                                color = MaterialTheme.colorScheme.error
+                            )
+                        }
+                    }
+                }
+            }
+        }
+
+        // FAB (inline, positioned over content)
+        ScanFAB(
+            showMenu = showScanMenu,
+            onToggleMenu = { showScanMenu = !showScanMenu },
+            onScanAll = {
+                viewModel.scanForAllTags()
+                showScanMenu = false
+            },
+            onScanBase = {
+                viewModel.scanForBaseTags()
+                showScanMenu = false
+            },
+            onScanRelationships = {
+                viewModel.scanForRelationshipTags()
+                showScanMenu = false
+            },
+            modifier = Modifier
+                .align(Alignment.BottomEnd)
+                .padding(16.dp)
+        )
+    }
+
+    // Add Tag Dialog
+    if (showAddTagDialog) {
+        AddTagDialog(
+            onDismiss = { showAddTagDialog = false },
+            onConfirm = { tagName ->
+                viewModel.createUserTag(tagName)
+                showAddTagDialog = false
+            }
+        )
+    }
+}
+
+/**
+ * Stats bar at top
+ */
+@Composable
+private fun StatsBar(uiState: TagManagementViewModel.TagUiState) {
+    val (totalTags, totalPhotos) = when (uiState) {
+        is TagManagementViewModel.TagUiState.Success -> {
+            val photoCount: Int = uiState.tags.sumOf { it.usageCount }
+            uiState.tags.size to photoCount
+        }
+        else -> 0 to 0
+    }
+
+    Surface(
+        modifier = Modifier.fillMaxWidth(),
+        color = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceEvenly
+        ) {
+            StatItem(
+                icon = Icons.Default.Label,
+                value = totalTags.toString(),
+                label = "Tags"
+            )
+            VerticalDivider(
+                modifier = Modifier.height(48.dp),
+                color = MaterialTheme.colorScheme.outline.copy(alpha = 0.3f)
+            )
+            StatItem(
+                icon = Icons.Default.Photo,
+                value = totalPhotos.toString(),
+                label = "Tagged Photos"
+            )
+        }
+    }
+}
+
+@Composable
+private fun StatItem(icon: ImageVector, value: String, label: String) {
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(4.dp)
+    ) {
+        Icon(
+            icon,
+            contentDescription = null,
+            modifier = Modifier.size(24.dp),
+            tint = MaterialTheme.colorScheme.primary
+        )
+        Text(
+            value,
+            style = MaterialTheme.typography.headlineSmall,
+            fontWeight = FontWeight.Bold
+        )
+        Text(
+            label,
+            style = MaterialTheme.typography.labelMedium,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+    }
+}
+
+/**
+ * Search bar
+ */
+@Composable
+private fun SearchBar(
+    searchQuery: String,
+    onSearchChange: (String) -> Unit
+) {
+    OutlinedTextField(
+        value = searchQuery,
+        onValueChange = onSearchChange,
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(16.dp),
+        placeholder = { Text("Search tags...") },
+        leadingIcon = { Icon(Icons.Default.Search, contentDescription = null) },
+        trailingIcon = {
+            if (searchQuery.isNotEmpty()) {
+                IconButton(onClick = { onSearchChange("") }) {
+                    Icon(Icons.Default.Clear, "Clear")
+                }
+            }
+        },
+        singleLine = true,
+        shape = RoundedCornerShape(16.dp)
+    )
+}
+
+/**
+ * Scanning progress indicator
+ */
+@Composable
+private fun ScanningProgress(
+    scanningState: TagManagementViewModel.TagScanningState,
+    viewModel: TagManagementViewModel
+) {
+    when (scanningState) {
+        is TagManagementViewModel.TagScanningState.Scanning -> {
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.5f)
+                )
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text(
+                            "Scanning: ${scanningState.scanType}",
+                            style = MaterialTheme.typography.titleSmall,
+                            fontWeight = FontWeight.SemiBold
+                        )
+                        Text(
+                            "${scanningState.progress}/${scanningState.total}",
+                            style = MaterialTheme.typography.bodySmall
+                        )
+                    }
+                    LinearProgressIndicator(
+                        progress = {
+                            if (scanningState.total > 0) {
+                                scanningState.progress.toFloat() / scanningState.total.toFloat()
+                            } else {
+                                0f
+                            }
+                        },
+                        modifier = Modifier.fillMaxWidth()
+                    )
+                    Text(
+                        "Tags applied: ${scanningState.tagsApplied}",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.primary
+                    )
+                    if (scanningState.currentImage.isNotEmpty()) {
+                        Text(
+                            "Current: ${scanningState.currentImage}",
+                            style = MaterialTheme.typography.labelSmall,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant
+                        )
+                    }
+                }
+            }
+        }
+        is TagManagementViewModel.TagScanningState.Complete -> {
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer
+                )
+            ) {
+                Row(
+                    modifier = Modifier.padding(16.dp),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Icon(
+                        Icons.Default.CheckCircle,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.primary
+                    )
+                    Column {
+                        Text(
+                            "Scan Complete!",
+                            style = MaterialTheme.typography.titleSmall,
+                            fontWeight = FontWeight.Bold
+                        )
+                        Text(
+                            "Processed: ${scanningState.imagesProcessed} images",
+                            style = MaterialTheme.typography.bodySmall
+                        )
+                        Text(
+                            "Applied: ${scanningState.tagsApplied} tags",
+                            style = MaterialTheme.typography.bodySmall
+                        )
+                        if (scanningState.newTagsCreated > 0) {
+                            Text(
+                                "Created: ${scanningState.newTagsCreated} new tags",
+                                style = MaterialTheme.typography.bodySmall,
+                                color = MaterialTheme.colorScheme.primary
+                            )
+                        }
+                    }
+                }
+            }
+        }
+        else -> {}
+    }
+}
+
+/**
+ * Tag list
+ */
+@Composable
+private fun TagList(
+    tags: List<TagWithUsage>,
+    onDeleteTag: (String) -> Unit
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize(),
+        contentPadding = PaddingValues(16.dp),
+        verticalArrangement = Arrangement.spacedBy(8.dp)
+    ) {
+        items(tags) { tagWithUsage ->
+            TagCard(
+                tagWithUsage = tagWithUsage,
+                onDelete = { onDeleteTag(tagWithUsage.tagId) }
+            )
+        }
+    }
+}
+
+/**
+ * Individual tag card
+ */
+@Composable
+private fun TagCard(
+    tagWithUsage: TagWithUsage,
+    onDelete: () -> Unit
+) {
+    val isSystemTag = tagWithUsage.type == "SYSTEM"
+
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Row(
+            modifier = Modifier.padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Row(
+                modifier = Modifier.weight(1f),
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                // Tag icon
+                Surface(
+                    modifier = Modifier.size(40.dp),
+                    shape = RoundedCornerShape(8.dp),
+                    color = if (isSystemTag)
+                        MaterialTheme.colorScheme.primaryContainer
+                    else
+                        MaterialTheme.colorScheme.secondaryContainer
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Icon(
+                            if (isSystemTag) Icons.Default.AutoAwesome else Icons.Default.Label,
+                            contentDescription = null,
+                            modifier = Modifier.size(20.dp),
+                            tint = if (isSystemTag)
+                                MaterialTheme.colorScheme.onPrimaryContainer
+                            else
+                                MaterialTheme.colorScheme.onSecondaryContainer
+                        )
+                    }
+                }
+
+                // Tag info
+                Column {
+                    Row(
+                        horizontalArrangement = Arrangement.spacedBy(8.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text(
+                            text = tagWithUsage.value,
+                            style = MaterialTheme.typography.titleMedium,
+                            fontWeight = FontWeight.SemiBold
+                        )
+                        if (isSystemTag) {
+                            Surface(
+                                shape = RoundedCornerShape(4.dp),
+                                color = MaterialTheme.colorScheme.primary.copy(alpha = 0.1f)
+                            ) {
+                                Text(
+                                    "SYSTEM",
+                                    modifier = Modifier.padding(horizontal = 6.dp, vertical = 2.dp),
+                                    style = MaterialTheme.typography.labelSmall,
+                                    color = MaterialTheme.colorScheme.primary
+                                )
+                            }
+                        }
+                    }
+                    Text(
+                        text = "${tagWithUsage.usageCount} ${if (tagWithUsage.usageCount == 1) "photo" else "photos"}",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+            }
+
+            // Delete button (only for user tags)
+            if (!isSystemTag) {
+                IconButton(onClick = onDelete) {
+                    Icon(
+                        Icons.Default.Delete,
+                        contentDescription = "Delete",
+                        tint = MaterialTheme.colorScheme.error
+                    )
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Empty state
+ */
+@Composable
+private fun EmptyTagsView() {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(32.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            Icon(
+                Icons.Default.LabelOff,
+                contentDescription = null,
+                modifier = Modifier.size(64.dp),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.6f)
+            )
+            Text(
+                "No Tags Yet",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+            Text(
+                "Scan your photos to generate tags automatically",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                textAlign = androidx.compose.ui.text.style.TextAlign.Center
+            )
+        }
+    }
+}
+
+/**
+ * Floating Action Button with scan menu
+ */
+@Composable
+private fun ScanFAB(
+    showMenu: Boolean,
+    onToggleMenu: () -> Unit,
+    onScanAll: () -> Unit,
+    onScanBase: () -> Unit,
+    onScanRelationships: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier,
+        horizontalAlignment = Alignment.End,
+        verticalArrangement = Arrangement.spacedBy(8.dp)
+    ) {
+        // Menu options
+        AnimatedVisibility(visible = showMenu) {
+            Column(
+                horizontalAlignment = Alignment.End,
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                SmallFAB(
+                    icon = Icons.Default.AutoFixHigh,
+                    text = "Scan All",
+                    onClick = onScanAll
+                )
+                SmallFAB(
+                    icon = Icons.Default.PhotoCamera,
+                    text = "Base Tags",
+                    onClick = onScanBase
+                )
+                SmallFAB(
+                    icon = Icons.Default.People,
+                    text = "Relationships",
+                    onClick = onScanRelationships
+                )
+            }
+        }
+
+        // Main FAB
+        ExtendedFloatingActionButton(
+            onClick = onToggleMenu,
+            icon = {
+                Icon(
+                    if (showMenu) Icons.Default.Close else Icons.Default.AutoFixHigh,
+                    "Scan"
+                )
+            },
+            text = { Text(if (showMenu) "Close" else "Scan Tags") },
+            containerColor = MaterialTheme.colorScheme.primaryContainer,
+            contentColor = MaterialTheme.colorScheme.onPrimaryContainer
+        )
+    }
+}
+
+@Composable
+private fun SmallFAB(
+    icon: ImageVector,
+    text: String,
+    onClick: () -> Unit
+) {
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.spacedBy(8.dp)
+    ) {
+        Surface(
+            shape = RoundedCornerShape(8.dp),
+            color = MaterialTheme.colorScheme.surface,
+            shadowElevation = 2.dp
+        ) {
+            Text(
+                text,
+                modifier = Modifier.padding(horizontal = 12.dp, vertical = 8.dp),
+                style = MaterialTheme.typography.bodySmall,
+                fontWeight = FontWeight.Medium
+            )
+        }
+
+        FloatingActionButton(
+            onClick = onClick,
+            modifier = Modifier.size(48.dp),
+            containerColor = MaterialTheme.colorScheme.secondaryContainer,
+            contentColor = MaterialTheme.colorScheme.onSecondaryContainer
+        ) {
+            Icon(icon, contentDescription = text, modifier = Modifier.size(20.dp))
+        }
+    }
+}
+
+/**
+ * Add tag dialog
+ */
+@Composable
+private fun AddTagDialog(
+    onDismiss: () -> Unit,
+    onConfirm: (String) -> Unit
+) {
+    var tagName by remember { mutableStateOf("") }
+
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        icon = { Icon(Icons.Default.Add, contentDescription = null) },
+        title = { Text("Add Custom Tag") },
+        text = {
+            OutlinedTextField(
+                value = tagName,
+                onValueChange = { tagName = it },
+                label = { Text("Tag Name") },
+                singleLine = true,
+                modifier = Modifier.fillMaxWidth()
+            )
+        },
+        confirmButton = {
+            Button(
+                onClick = { onConfirm(tagName) },
+                enabled = tagName.isNotBlank()
+            ) {
+                Text("Add")
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Cancel")
+            }
+        }
+    )
+}

app/src/main/java/com/placeholder/sherpai2/ui/tags/Tagmanagementviewmodel.kt

@@ -0,0 +1,398 @@
+package com.placeholder.sherpai2.ui.tags
+
+import android.app.Application
+import android.graphics.BitmapFactory
+import android.net.Uri
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.google.mlkit.vision.common.InputImage
+import com.google.mlkit.vision.face.FaceDetection
+import com.google.mlkit.vision.face.FaceDetectorOptions
+import com.placeholder.sherpai2.data.local.dao.ImageTagDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.data.local.entity.TagWithUsage
+import com.placeholder.sherpai2.data.repository.DetectedFace
+import com.placeholder.sherpai2.data.service.AutoTaggingService
+import com.placeholder.sherpai2.domain.repository.ImageRepository
+import com.placeholder.sherpai2.util.DiagnosticLogger
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+
+@HiltViewModel
+class TagManagementViewModel @Inject constructor(
+    application: Application,
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao,
+    private val imageRepository: ImageRepository,
+    private val autoTaggingService: AutoTaggingService
+) : AndroidViewModel(application) {
+
+    private val _uiState = MutableStateFlow<TagUiState>(TagUiState.Loading)
+    val uiState: StateFlow<TagUiState> = _uiState.asStateFlow()
+
+    private val _scanningState = MutableStateFlow<TagScanningState>(TagScanningState.Idle)
+    val scanningState: StateFlow<TagScanningState> = _scanningState.asStateFlow()
+
+    private val faceDetector by lazy {
+        val options = FaceDetectorOptions.Builder()
+            .setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_ACCURATE)
+            .setLandmarkMode(FaceDetectorOptions.LANDMARK_MODE_NONE)
+            .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_NONE)
+            .setMinFaceSize(0.10f)
+            .build()
+        FaceDetection.getClient(options)
+    }
+
+    sealed class TagUiState {
+        object Loading : TagUiState()
+        data class Success(
+            val tags: List<TagWithUsage>,
+            val totalTags: Int,
+            val systemTags: Int,
+            val userTags: Int
+        ) : TagUiState()
+        data class Error(val message: String) : TagUiState()
+    }
+
+    sealed class TagScanningState {
+        object Idle : TagScanningState()
+        data class Scanning(
+            val scanType: ScanType,
+            val progress: Int,
+            val total: Int,
+            val tagsApplied: Int,
+            val currentImage: String = ""
+        ) : TagScanningState()
+        data class Complete(
+            val scanType: ScanType,
+            val imagesProcessed: Int,
+            val tagsApplied: Int,
+            val newTagsCreated: Int = 0
+        ) : TagScanningState()
+        data class Error(val message: String) : TagScanningState()
+    }
+
+    enum class ScanType {
+        BASE_TAGS,          // Face count, orientation, resolution, time-of-day
+        RELATIONSHIP_TAGS,  // Family, friend, colleague from person entities
+        BIRTHDAY_TAGS,      // Birthday tags for DOB matches
+        SCENE_TAGS,         // Indoor/outdoor estimation
+        ALL                 // Run all scans
+    }
+
+    init {
+        loadTags()
+    }
+
+    fun loadTags() {
+        viewModelScope.launch {
+            try {
+                _uiState.value = TagUiState.Loading
+
+                val tagsWithUsage = tagDao.getMostUsedTags(1000) // Get all tags
+                val systemTags = tagsWithUsage.count { it.type == "SYSTEM" }
+                val userTags = tagsWithUsage.count { it.type == "GENERIC" }
+
+                _uiState.value = TagUiState.Success(
+                    tags = tagsWithUsage,
+                    totalTags = tagsWithUsage.size,
+                    systemTags = systemTags,
+                    userTags = userTags
+                )
+
+            } catch (e: Exception) {
+                _uiState.value = TagUiState.Error(
+                    e.message ?: "Failed to load tags"
+                )
+            }
+        }
+    }
+
+    fun createUserTag(tagName: String) {
+        viewModelScope.launch {
+            try {
+                val trimmedName = tagName.trim().lowercase()
+                if (trimmedName.isEmpty()) {
+                    _uiState.value = TagUiState.Error("Tag name cannot be empty")
+                    return@launch
+                }
+
+                // Check if tag already exists
+                val existing = tagDao.getByValue(trimmedName)
+                if (existing != null) {
+                    _uiState.value = TagUiState.Error("Tag '$trimmedName' already exists")
+                    return@launch
+                }
+
+                val newTag = TagEntity.createUserTag(trimmedName)
+                tagDao.insert(newTag)
+
+                loadTags()
+            } catch (e: Exception) {
+                _uiState.value = TagUiState.Error(
+                    "Failed to create tag: ${e.message}"
+                )
+            }
+        }
+    }
+
+    fun deleteTag(tagId: String) {
+        viewModelScope.launch {
+            try {
+                tagDao.delete(tagId)
+                loadTags()
+            } catch (e: Exception) {
+                _uiState.value = TagUiState.Error(
+                    "Failed to delete tag: ${e.message}"
+                )
+            }
+        }
+    }
+
+    fun searchTags(query: String) {
+        viewModelScope.launch {
+            try {
+                val results = if (query.isBlank()) {
+                    tagDao.getMostUsedTags(1000)
+                } else {
+                    tagDao.searchTagsWithUsage(query, 100)
+                }
+
+                val systemTags = results.count { it.type == "SYSTEM" }
+                val userTags = results.count { it.type == "GENERIC" }
+
+                _uiState.value = TagUiState.Success(
+                    tags = results,
+                    totalTags = results.size,
+                    systemTags = systemTags,
+                    userTags = userTags
+                )
+            } catch (e: Exception) {
+                _uiState.value = TagUiState.Error("Search failed: ${e.message}")
+            }
+        }
+    }
+
+    // ======================
+    // AUTO-TAGGING SCANS
+    // ======================
+
+    /**
+     * Scan library for base tags (face count, orientation, time, quality, scene)
+     */
+    fun scanForBaseTags() {
+        performScan(ScanType.BASE_TAGS)
+    }
+
+    /**
+     * Scan for relationship tags (family, friend, colleague)
+     */
+    fun scanForRelationshipTags() {
+        performScan(ScanType.RELATIONSHIP_TAGS)
+    }
+
+    /**
+     * Scan for birthday tags
+     */
+    fun scanForBirthdayTags() {
+        performScan(ScanType.BIRTHDAY_TAGS)
+    }
+
+    /**
+     * Scan for scene tags (indoor/outdoor)
+     */
+    fun scanForSceneTags() {
+        performScan(ScanType.SCENE_TAGS)
+    }
+
+    /**
+     * Scan for ALL tags
+     */
+    fun scanForAllTags() {
+        performScan(ScanType.ALL)
+    }
+
+    private fun performScan(scanType: ScanType) {
+        viewModelScope.launch {
+            try {
+                DiagnosticLogger.i("=== STARTING TAG SCAN: $scanType ===")
+
+                _scanningState.value = TagScanningState.Scanning(
+                    scanType = scanType,
+                    progress = 0,
+                    total = 0,
+                    tagsApplied = 0
+                )
+
+                val allImages = imageRepository.getAllImages().first()
+                var tagsApplied = 0
+                var newTagsCreated = 0
+
+                DiagnosticLogger.i("Processing ${allImages.size} images")
+
+                allImages.forEachIndexed { index, imageWithEverything ->
+                    val image = imageWithEverything.image
+
+                    _scanningState.value = TagScanningState.Scanning(
+                        scanType = scanType,
+                        progress = index + 1,
+                        total = allImages.size,
+                        tagsApplied = tagsApplied,
+                        currentImage = image.imageId.take(8)
+                    )
+
+                    when (scanType) {
+                        ScanType.BASE_TAGS -> {
+                            tagsApplied += scanImageForBaseTags(image.imageUri, image)
+                        }
+                        ScanType.SCENE_TAGS -> {
+                            tagsApplied += scanImageForSceneTags(image.imageUri, image)
+                        }
+                        ScanType.RELATIONSHIP_TAGS -> {
+                            // Handled at person level, not per-image
+                        }
+                        ScanType.BIRTHDAY_TAGS -> {
+                            // Handled at person level, not per-image
+                        }
+                        ScanType.ALL -> {
+                            tagsApplied += scanImageForBaseTags(image.imageUri, image)
+                            tagsApplied += scanImageForSceneTags(image.imageUri, image)
+                        }
+                    }
+                }
+
+                // Handle person-level scans
+                if (scanType == ScanType.RELATIONSHIP_TAGS || scanType == ScanType.ALL) {
+                    DiagnosticLogger.i("Scanning relationship tags...")
+                    tagsApplied += autoTaggingService.autoTagAllRelationships()
+                }
+
+                if (scanType == ScanType.BIRTHDAY_TAGS || scanType == ScanType.ALL) {
+                    DiagnosticLogger.i("Scanning birthday tags...")
+                    tagsApplied += autoTaggingService.autoTagAllBirthdays(daysRange = 3)
+                }
+
+                DiagnosticLogger.i("=== SCAN COMPLETE ===")
+                DiagnosticLogger.i("Images processed: ${allImages.size}")
+                DiagnosticLogger.i("Tags applied: $tagsApplied")
+
+                _scanningState.value = TagScanningState.Complete(
+                    scanType = scanType,
+                    imagesProcessed = allImages.size,
+                    tagsApplied = tagsApplied,
+                    newTagsCreated = newTagsCreated
+                )
+
+                loadTags()
+
+            } catch (e: Exception) {
+                DiagnosticLogger.e("Scan failed", e)
+                _scanningState.value = TagScanningState.Error(
+                    "Scan failed: ${e.message}"
+                )
+            }
+        }
+    }
+
+    private suspend fun scanImageForBaseTags(
+        imageUri: String,
+        image: com.placeholder.sherpai2.data.local.entity.ImageEntity
+    ): Int = withContext(Dispatchers.Default) {
+        try {
+            val uri = Uri.parse(imageUri)
+            val inputStream = getApplication<Application>().contentResolver.openInputStream(uri)
+            val bitmap = BitmapFactory.decodeStream(inputStream)
+            inputStream?.close()
+
+            if (bitmap == null) return@withContext 0
+
+            // Detect faces
+            val detectedFaces = detectFaces(bitmap)
+
+            // Auto-tag with base tags
+            autoTaggingService.autoTagImage(image, bitmap, detectedFaces)
+
+        } catch (e: Exception) {
+            DiagnosticLogger.e("Base tag scan failed for $imageUri", e)
+            0
+        }
+    }
+
+    private suspend fun scanImageForSceneTags(
+        imageUri: String,
+        image: com.placeholder.sherpai2.data.local.entity.ImageEntity
+    ): Int = withContext(Dispatchers.Default) {
+        try {
+            val uri = Uri.parse(imageUri)
+            val inputStream = getApplication<Application>().contentResolver.openInputStream(uri)
+            val bitmap = BitmapFactory.decodeStream(inputStream)
+            inputStream?.close()
+
+            if (bitmap == null) return@withContext 0
+
+            // Only auto-tag scene tags (indoor/outdoor already included in autoTagImage)
+            // This is a subset of base tags, so we don't need separate logic
+            0
+
+        } catch (e: Exception) {
+            DiagnosticLogger.e("Scene tag scan failed for $imageUri", e)
+            0
+        }
+    }
+
+    private suspend fun detectFaces(bitmap: android.graphics.Bitmap): List<DetectedFace> = withContext(Dispatchers.Default) {
+        try {
+            val image = InputImage.fromBitmap(bitmap, 0)
+            val faces = faceDetector.process(image).await()
+
+            faces.mapNotNull { face ->
+                val boundingBox = face.boundingBox
+
+                val croppedFace = try {
+                    val left = boundingBox.left.coerceAtLeast(0)
+                    val top = boundingBox.top.coerceAtLeast(0)
+                    val width = boundingBox.width().coerceAtMost(bitmap.width - left)
+                    val height = boundingBox.height().coerceAtMost(bitmap.height - top)
+
+                    if (width > 0 && height > 0) {
+                        android.graphics.Bitmap.createBitmap(bitmap, left, top, width, height)
+                    } else {
+                        null
+                    }
+                } catch (e: Exception) {
+                    null
+                }
+
+                if (croppedFace != null) {
+                    DetectedFace(
+                        croppedBitmap = croppedFace,
+                        boundingBox = boundingBox
+                    )
+                } else {
+                    null
+                }
+            }
+
+        } catch (e: Exception) {
+            emptyList()
+        }
+    }
+
+    fun resetScanningState() {
+        _scanningState.value = TagScanningState.Idle
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        faceDetector.close()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/tour/TourScreen.kt

@@ -0,0 +1,77 @@
+// TourScreen.kt
+package com.placeholder.sherpai2.ui.tour
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import com.placeholder.sherpai2.data.local.model.ImageWithEverything
+
+@Composable
+fun TourScreen(tourViewModel: TourViewModel = hiltViewModel(), onImageClick: (String) -> Unit) {
+    val images by tourViewModel.recentImages.collectAsState()
+
+    Column(modifier = Modifier.fillMaxSize()) {
+        // Header with image count
+        Text(
+            text = "Gallery (${images.size} images)",
+            style = MaterialTheme.typography.titleLarge,
+            modifier = Modifier.padding(16.dp)
+        )
+
+        LazyColumn(
+            modifier = Modifier.fillMaxSize(),
+            contentPadding = PaddingValues(16.dp)
+        ) {
+            items(images) { image ->
+                ImageCard(image)
+                Spacer(modifier = Modifier.height(12.dp))
+            }
+        }
+    }
+}
+
+@Composable
+fun ImageCard(image: ImageWithEverything) {
+    Card(modifier = Modifier.fillMaxWidth(), elevation = CardDefaults.cardElevation(4.dp)) {
+        Column(modifier = Modifier.padding(12.dp)) {
+            Text(text = image.tags.toString(), style = MaterialTheme.typography.bodyMedium)
+
+            // Tags row with placeholders if fewer than 3
+            Row(modifier = Modifier.padding(top = 8.dp)) {
+                val tags = image.tags.map { it.tagId } // adjust depending on your entity
+                tags.forEach { tag ->
+                    TagComposable(tag)
+                }
+                repeat(3 - tags.size.coerceAtMost(3)) {
+                    TagComposable("") // empty placeholder
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun TagComposable(tag: String) {
+    Box(
+        modifier = Modifier
+            .padding(end = 4.dp)
+            .height(24.dp)
+            .widthIn(min = 40.dp)
+            .background(MaterialTheme.colorScheme.primaryContainer, MaterialTheme.shapes.small),
+        contentAlignment = androidx.compose.ui.Alignment.Center
+    ) {
+        Text(
+            text = if (tag.isNotBlank()) tag else " ",
+            style = MaterialTheme.typography.labelSmall,
+            modifier = Modifier.padding(horizontal = 6.dp)
+        )
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/tour/TourViewModel.kt

@@ -0,0 +1,39 @@
+// TourViewModel.kt
+package com.placeholder.sherpai2.ui.tour
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.domain.repository.ImageRepository
+import com.placeholder.sherpai2.data.local.model.ImageWithEverything
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class TourViewModel @Inject constructor(
+    private val imageRepository: ImageRepository
+) : ViewModel() {
+
+    // Expose recent images as StateFlow
+    private val _recentImages = MutableStateFlow<List<ImageWithEverything>>(emptyList())
+    val recentImages: StateFlow<List<ImageWithEverything>> = _recentImages.asStateFlow()
+
+    init {
+        loadRecentImages()
+    }
+
+    private fun loadRecentImages(limit: Int = 100) {
+        viewModelScope.launch {
+            imageRepository.getRecentImages(limit)
+                .catch { e ->
+                    println("TourViewModel: error fetching images: $e")
+                    _recentImages.value = emptyList()
+                }
+                .collect { images ->
+                    println("TourViewModel: fetched ${images.size} images")
+                    _recentImages.value = images
+                }
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryScreen.kt

@@ -1,73 +0,0 @@
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.aspectRatio
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.lazy.grid.GridCells
-import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
-import androidx.compose.foundation.lazy.grid.items
-import androidx.compose.material3.*
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.layout.ContentScale
-import androidx.compose.ui.unit.dp
-import coil.compose.AsyncImage
-import com.placeholder.sherpai2.data.photos.Photo
-import com.placeholder.sherpai2.ui.tourscreen.GalleryUiState
-
-
-
-
-@Composable
-fun GalleryScreen(
-    state: GalleryUiState,
-    modifier: Modifier = Modifier // Add default modifier
-) {
-    // Note: If this is inside MainContentArea, you might not need a second Scaffold.
-    // Let's use a Column or Box to ensure it fills the space correctly.
-    Column(
-        modifier = modifier.fillMaxSize()
-    ) {
-        Text(
-            text = "Photo Gallery",
-            style = MaterialTheme.typography.headlineMedium,
-            modifier = Modifier.padding(16.dp)
-        )
-        Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
-            when (state) {
-                is GalleryUiState.Loading -> CircularProgressIndicator()
-                is GalleryUiState.Error -> Text(text = state.message)
-                is GalleryUiState.Success -> {
-                    if (state.photos.isEmpty()) {
-                        Text("No photos found. Try adding some to the emulator!")
-                    } else {
-                        LazyVerticalGrid(
-                            columns = GridCells.Fixed(3),
-                            modifier = Modifier.fillMaxSize(),
-                            horizontalArrangement = Arrangement.spacedBy(2.dp),
-                            verticalArrangement = Arrangement.spacedBy(2.dp)
-                        ) {
-                            items(state.photos) { photo ->
-                                PhotoItem(photo)
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
-@Composable
-fun PhotoItem(photo: Photo) {
-    AsyncImage(
-        model = photo.uri,
-        contentDescription = photo.title,
-        modifier = Modifier
-            .aspectRatio(1f) // Makes it a square
-            .fillMaxWidth(),
-        contentScale = ContentScale.Crop
-    )
-}

app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryUiState.kt

@@ -1,9 +0,0 @@
-package com.placeholder.sherpai2.ui.tourscreen
-
-import com.placeholder.sherpai2.data.photos.Photo
-
-sealed class GalleryUiState {
-    object Loading : GalleryUiState()
-    data class Success(val photos: List<Photo>) : GalleryUiState()
-    data class Error(val message: String) : GalleryUiState()
-}

app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryViewModel.kt

@@ -1,35 +0,0 @@
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
-import com.placeholder.sherpai2.data.photos.Photo
-import com.placeholder.sherpai2.data.repo.PhotoRepository
-import com.placeholder.sherpai2.ui.tourscreen.GalleryUiState
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.asStateFlow
-import kotlinx.coroutines.launch
-
-class GalleryViewModel(application: Application) : AndroidViewModel(application) {
-
-    // Initialize repository with the application context
-    private val repository = PhotoRepository(application)
-
-    private val _uiState = MutableStateFlow<GalleryUiState>(GalleryUiState.Loading)
-    val uiState = _uiState.asStateFlow()
-
-    init {
-        loadPhotos()
-    }
-
-    fun loadPhotos() {
-        viewModelScope.launch {
-            val result = repository.scanExternalStorage()
-
-            result.onSuccess { photos ->
-                _uiState.value = GalleryUiState.Success(photos)
-            }.onFailure { error ->
-                _uiState.value = GalleryUiState.Error(error.message ?: "Unknown Error")
-            }
-        }
-    }
-}

app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/components/AlbumBox.kt

@@ -1,4 +0,0 @@
-package com.placeholder.sherpai2.ui.tourscreen.components
-
-class AlbumBox {
-}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/Beautifulpersoninfodialog.kt

@@ -0,0 +1,373 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import java.text.SimpleDateFormat
+import java.util.*
+
+/**
+ * BEAUTIFUL PersonInfoDialog - Modern, centered, spacious
+ *
+ * Improvements:
+ * - Full-screen dialog with proper centering
+ * - Better spacing and visual hierarchy
+ * - Larger touch targets
+ * - Scrollable content
+ * - Modern rounded design
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun BeautifulPersonInfoDialog(
+    onDismiss: () -> Unit,
+    onConfirm: (name: String, dateOfBirth: Long?, relationship: String) -> Unit
+) {
+    var name by remember { mutableStateOf("") }
+    var dateOfBirth by remember { mutableStateOf<Long?>(null) }
+    var selectedRelationship by remember { mutableStateOf("Other") }
+    var showDatePicker by remember { mutableStateOf(false) }
+
+    val relationships = listOf(
+        "Family" to "👨‍👩‍👧‍👦",
+        "Friend" to "🤝",
+        "Partner" to "❤️",
+        "Parent" to "👪",
+        "Sibling" to "👫",
+        "Colleague" to "💼"
+    )
+
+    Dialog(
+        onDismissRequest = onDismiss,
+        properties = DialogProperties(usePlatformDefaultWidth = false)
+    ) {
+        Card(
+            modifier = Modifier
+                .fillMaxWidth(0.92f)
+                .fillMaxHeight(0.85f),
+            shape = RoundedCornerShape(28.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surface
+            ),
+            elevation = CardDefaults.cardElevation(defaultElevation = 8.dp)
+        ) {
+            Column(
+                modifier = Modifier.fillMaxSize()
+            ) {
+                // Header with icon and close button
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(24.dp),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Row(
+                        horizontalArrangement = Arrangement.spacedBy(16.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Surface(
+                            shape = RoundedCornerShape(16.dp),
+                            color = MaterialTheme.colorScheme.primaryContainer,
+                            modifier = Modifier.size(64.dp)
+                        ) {
+                            Box(contentAlignment = Alignment.Center) {
+                                Icon(
+                                    Icons.Default.Person,
+                                    contentDescription = null,
+                                    modifier = Modifier.size(36.dp),
+                                    tint = MaterialTheme.colorScheme.primary
+                                )
+                            }
+                        }
+
+                        Column {
+                            Text(
+                                "Person Details",
+                                style = MaterialTheme.typography.headlineMedium,
+                                fontWeight = FontWeight.Bold
+                            )
+                            Text(
+                                "Help us organize your photos",
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant
+                            )
+                        }
+                    }
+
+                    IconButton(onClick = onDismiss) {
+                        Icon(
+                            Icons.Default.Close,
+                            contentDescription = "Close",
+                            modifier = Modifier.size(24.dp)
+                        )
+                    }
+                }
+
+                HorizontalDivider(color = MaterialTheme.colorScheme.outlineVariant)
+
+                // Scrollable content
+                Column(
+                    modifier = Modifier
+                        .weight(1f)
+                        .verticalScroll(rememberScrollState())
+                        .padding(24.dp),
+                    verticalArrangement = Arrangement.spacedBy(24.dp)
+                ) {
+                    // Name field
+                    Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                        Text(
+                            "Name *",
+                            style = MaterialTheme.typography.titleSmall,
+                            fontWeight = FontWeight.SemiBold,
+                            color = MaterialTheme.colorScheme.primary
+                        )
+                        OutlinedTextField(
+                            value = name,
+                            onValueChange = { name = it },
+                            placeholder = { Text("e.g., John Doe") },
+                            leadingIcon = {
+                                Icon(Icons.Default.Face, contentDescription = null)
+                            },
+                            modifier = Modifier.fillMaxWidth(),
+                            singleLine = true,
+                            shape = RoundedCornerShape(16.dp),
+                            keyboardOptions = androidx.compose.foundation.text.KeyboardOptions(
+                                capitalization = KeyboardCapitalization.Words
+                            )
+                        )
+                    }
+
+                    // Birthday (Optional)
+                    Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                        Text(
+                            "Birthday (Optional)",
+                            style = MaterialTheme.typography.titleSmall,
+                            fontWeight = FontWeight.SemiBold
+                        )
+                        OutlinedButton(
+                            onClick = { showDatePicker = true },
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .height(56.dp),
+                            shape = RoundedCornerShape(16.dp),
+                            colors = ButtonDefaults.outlinedButtonColors(
+                                containerColor = if (dateOfBirth != null)
+                                    MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+                                else
+                                    MaterialTheme.colorScheme.surface
+                            )
+                        ) {
+                            Icon(
+                                Icons.Default.Cake,
+                                contentDescription = null,
+                                modifier = Modifier.size(24.dp)
+                            )
+                            Spacer(Modifier.width(12.dp))
+                            Text(
+                                if (dateOfBirth != null) {
+                                    formatDate(dateOfBirth!!)
+                                } else {
+                                    "Select Birthday"
+                                },
+                                style = MaterialTheme.typography.bodyLarge
+                            )
+                            Spacer(Modifier.weight(1f))
+                            if (dateOfBirth != null) {
+                                IconButton(
+                                    onClick = { dateOfBirth = null },
+                                    modifier = Modifier.size(24.dp)
+                                ) {
+                                    Icon(
+                                        Icons.Default.Clear,
+                                        contentDescription = "Clear",
+                                        modifier = Modifier.size(18.dp)
+                                    )
+                                }
+                            }
+                        }
+                    }
+
+                    // Relationship
+                    Column(verticalArrangement = Arrangement.spacedBy(12.dp)) {
+                        Text(
+                            "Relationship",
+                            style = MaterialTheme.typography.titleSmall,
+                            fontWeight = FontWeight.SemiBold
+                        )
+
+                        // 3 columns grid for relationship chips
+                        Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                            relationships.chunked(3).forEach { rowChips ->
+                                Row(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                                ) {
+                                    rowChips.forEach { (rel, emoji) ->
+                                        FilterChip(
+                                            selected = selectedRelationship == rel,
+                                            onClick = { selectedRelationship = rel },
+                                            label = {
+                                                Row(
+                                                    horizontalArrangement = Arrangement.spacedBy(6.dp),
+                                                    verticalAlignment = Alignment.CenterVertically
+                                                ) {
+                                                    Text(emoji, style = MaterialTheme.typography.titleMedium)
+                                                    Text(rel)
+                                                }
+                                            },
+                                            modifier = Modifier.weight(1f),
+                                            shape = RoundedCornerShape(12.dp)
+                                        )
+                                    }
+                                    // Fill empty space if less than 3 chips
+                                    repeat(3 - rowChips.size) {
+                                        Spacer(Modifier.weight(1f))
+                                    }
+                                }
+                            }
+
+                            // "Other" option
+                            FilterChip(
+                                selected = selectedRelationship == "Other",
+                                onClick = { selectedRelationship = "Other" },
+                                label = {
+                                    Row(
+                                        horizontalArrangement = Arrangement.spacedBy(6.dp),
+                                        verticalAlignment = Alignment.CenterVertically
+                                    ) {
+                                        Text("👤", style = MaterialTheme.typography.titleMedium)
+                                        Text("Other")
+                                    }
+                                },
+                                modifier = Modifier.fillMaxWidth(),
+                                shape = RoundedCornerShape(12.dp)
+                            )
+                        }
+                    }
+
+                    // Privacy note
+                    Card(
+                        colors = CardDefaults.cardColors(
+                            containerColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+                        ),
+                        shape = RoundedCornerShape(16.dp)
+                    ) {
+                        Row(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(16.dp),
+                            horizontalArrangement = Arrangement.spacedBy(12.dp),
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            Icon(
+                                Icons.Default.Lock,
+                                contentDescription = null,
+                                modifier = Modifier.size(24.dp),
+                                tint = MaterialTheme.colorScheme.primary
+                            )
+                            Column {
+                                Text(
+                                    "Privacy First",
+                                    style = MaterialTheme.typography.titleSmall,
+                                    fontWeight = FontWeight.Bold,
+                                    color = MaterialTheme.colorScheme.primary
+                                )
+                                Text(
+                                    "All data stays on your device",
+                                    style = MaterialTheme.typography.bodySmall,
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                                )
+                            }
+                        }
+                    }
+                }
+
+                HorizontalDivider(color = MaterialTheme.colorScheme.outlineVariant)
+
+                // Action buttons
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(24.dp),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    OutlinedButton(
+                        onClick = onDismiss,
+                        modifier = Modifier
+                            .weight(1f)
+                            .height(56.dp),
+                        shape = RoundedCornerShape(16.dp)
+                    ) {
+                        Text("Cancel", style = MaterialTheme.typography.titleMedium)
+                    }
+
+                    Button(
+                        onClick = {
+                            if (name.isNotBlank()) {
+                                onConfirm(name.trim(), dateOfBirth, selectedRelationship)
+                            }
+                        },
+                        enabled = name.isNotBlank(),
+                        modifier = Modifier
+                            .weight(1f)
+                            .height(56.dp),
+                        shape = RoundedCornerShape(16.dp)
+                    ) {
+                        Icon(
+                            Icons.Default.ArrowForward,
+                            contentDescription = null,
+                            modifier = Modifier.size(20.dp)
+                        )
+                        Spacer(Modifier.width(8.dp))
+                        Text("Continue", style = MaterialTheme.typography.titleMedium)
+                    }
+                }
+            }
+        }
+    }
+
+    // Date picker dialog
+    if (showDatePicker) {
+        DatePickerDialog(
+            onDismissRequest = { showDatePicker = false },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        dateOfBirth = System.currentTimeMillis()
+                        showDatePicker = false
+                    }
+                ) {
+                    Text("OK")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showDatePicker = false }) {
+                    Text("Cancel")
+                }
+            }
+        ) {
+            DatePicker(
+                state = rememberDatePickerState(),
+                modifier = Modifier.padding(16.dp)
+            )
+        }
+    }
+}
+
+private fun formatDate(timestamp: Long): String {
+    val formatter = SimpleDateFormat("MMMM dd, yyyy", Locale.getDefault())
+    return formatter.format(Date(timestamp))
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/Duplicateimagedetector.kt

@@ -0,0 +1,159 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.net.Uri
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.InputStream
+
+/**
+ * Helper class for detecting duplicate or near-duplicate images using perceptual hashing
+ */
+class DuplicateImageDetector(private val context: Context) {
+
+    data class DuplicateCheckResult(
+        val hasDuplicates: Boolean,
+        val duplicateGroups: List<DuplicateGroup>,
+        val uniqueImageCount: Int
+    )
+
+    data class DuplicateGroup(
+        val images: List<Uri>,
+        val similarity: Double
+    )
+
+    private data class ImageHash(
+        val uri: Uri,
+        val hash: Long
+    )
+
+    /**
+     * Check for duplicate images in the provided list
+     */
+    suspend fun checkForDuplicates(
+        uris: List<Uri>,
+        similarityThreshold: Double = 0.95
+    ): DuplicateCheckResult = withContext(Dispatchers.Default) {
+        if (uris.size < 2) {
+            return@withContext DuplicateCheckResult(
+                hasDuplicates = false,
+                duplicateGroups = emptyList(),
+                uniqueImageCount = uris.size
+            )
+        }
+
+        // Compute perceptual hash for each image
+        val imageHashes = uris.mapNotNull { uri ->
+            try {
+                val bitmap = loadBitmap(uri)
+                bitmap?.let {
+                    val hash = computePerceptualHash(it)
+                    ImageHash(uri, hash)
+                }
+            } catch (e: Exception) {
+                null
+            }
+        }
+
+        // Find duplicate groups
+        val duplicateGroups = mutableListOf<DuplicateGroup>()
+        val processed = mutableSetOf<Uri>()
+
+        for (i in imageHashes.indices) {
+            if (imageHashes[i].uri in processed) continue
+
+            val currentGroup = mutableListOf(imageHashes[i].uri)
+
+            for (j in i + 1 until imageHashes.size) {
+                if (imageHashes[j].uri in processed) continue
+
+                val similarity = calculateSimilarity(imageHashes[i].hash, imageHashes[j].hash)
+
+                if (similarity >= similarityThreshold) {
+                    currentGroup.add(imageHashes[j].uri)
+                    processed.add(imageHashes[j].uri)
+                }
+            }
+
+            if (currentGroup.size > 1) {
+                duplicateGroups.add(
+                    DuplicateGroup(
+                        images = currentGroup,
+                        similarity = 1.0
+                    )
+                )
+                processed.addAll(currentGroup)
+            }
+        }
+
+        DuplicateCheckResult(
+            hasDuplicates = duplicateGroups.isNotEmpty(),
+            duplicateGroups = duplicateGroups,
+            uniqueImageCount = uris.size - duplicateGroups.sumOf { it.images.size - 1 }
+        )
+    }
+
+    /**
+     * Compute perceptual hash using difference hash (dHash) algorithm
+     */
+    private fun computePerceptualHash(bitmap: Bitmap): Long {
+        // Resize to 9x8
+        val resized = Bitmap.createScaledBitmap(bitmap, 9, 8, false)
+
+        var hash = 0L
+        var bitIndex = 0
+
+        for (y in 0 until 8) {
+            for (x in 0 until 8) {
+                val leftPixel = resized.getPixel(x, y)
+                val rightPixel = resized.getPixel(x + 1, y)
+
+                val leftGray = toGrayscale(leftPixel)
+                val rightGray = toGrayscale(rightPixel)
+
+                if (leftGray > rightGray) {
+                    hash = hash or (1L shl bitIndex)
+                }
+                bitIndex++
+            }
+        }
+
+        resized.recycle()
+        return hash
+    }
+
+    /**
+     * Convert RGB pixel to grayscale value
+     */
+    private fun toGrayscale(pixel: Int): Int {
+        val r = (pixel shr 16) and 0xFF
+        val g = (pixel shr 8) and 0xFF
+        val b = pixel and 0xFF
+        return (0.299 * r + 0.587 * g + 0.114 * b).toInt()
+    }
+
+    /**
+     * Calculate similarity between two hashes
+     */
+    private fun calculateSimilarity(hash1: Long, hash2: Long): Double {
+        val xor = hash1 xor hash2
+        val hammingDistance = xor.countOneBits()
+        return 1.0 - (hammingDistance / 64.0)
+    }
+
+    /**
+     * Load bitmap from URI
+     */
+    private fun loadBitmap(uri: Uri): Bitmap? {
+        return try {
+            val inputStream: InputStream? = context.contentResolver.openInputStream(uri)
+            BitmapFactory.decodeStream(inputStream)?.also {
+                inputStream?.close()
+            }
+        } catch (e: Exception) {
+            null
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/FacePickerDialog.kt

@@ -0,0 +1,340 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Rect
+import android.net.Uri
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.asImageBitmap
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import com.google.mlkit.vision.common.InputImage
+import com.google.mlkit.vision.face.FaceDetection
+import androidx.compose.ui.graphics.Color
+import com.google.mlkit.vision.face.FaceDetectorOptions
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.tasks.await
+import kotlinx.coroutines.withContext
+
+/**
+ * MINIMAL FacePickerDialog - Optimized for batch processing 30-50 photos
+ *
+ * REMOVED CLUTTER:
+ * - "Preview (tap to select)" header
+ * - "Face will be used for training" info box
+ * - "Face #" labels covering previews
+ * - Original image preview
+ *
+ * IMPROVED:
+ * - Larger face previews (1:1 aspect ratio)
+ * - Clean checkmark overlay only
+ * - Minimal text
+ * - Fast workflow
+ */
+@Composable
+fun FacePickerDialog(
+    result: FaceDetectionHelper.FaceDetectionResult,
+    onDismiss: () -> Unit,
+    onFaceSelected: (Int, Bitmap) -> Unit
+) {
+    val context = LocalContext.current
+    var selectedFaceIndex by remember { mutableStateOf(0) }
+    var croppedFaces by remember { mutableStateOf<List<Bitmap>>(emptyList()) }
+    var isLoading by remember { mutableStateOf(true) }
+    var errorMessage by remember { mutableStateOf<String?>(null) }
+
+    // Load and crop all faces - RE-DETECT to get accurate bounds
+    LaunchedEffect(result) {
+        isLoading = true
+        errorMessage = null
+
+        try {
+            croppedFaces = withContext(Dispatchers.IO) {
+                // Load the FULL resolution bitmap (no downsampling)
+                val fullBitmap = loadFullResolutionBitmap(context, result.uri)
+
+                if (fullBitmap == null) {
+                    errorMessage = "Failed to load image"
+                    return@withContext emptyList()
+                }
+
+                // Re-detect faces on the full resolution bitmap to get accurate bounds
+                val accurateFaceBounds = detectFacesOnBitmap(fullBitmap)
+
+                if (accurateFaceBounds.isEmpty()) {
+                    // Fallback: try to use the original bounds with scaling
+                    val scaledBounds = result.faceBounds.map { originalBounds ->
+                        cropFaceFromBitmap(fullBitmap, originalBounds)
+                    }
+                    fullBitmap.recycle()
+                    return@withContext scaledBounds
+                }
+
+                // Crop faces using accurate bounds
+                val croppedList = accurateFaceBounds.map { bounds ->
+                    cropFaceFromBitmap(fullBitmap, bounds)
+                }
+
+                // CRITICAL: Recycle AFTER all cropping is done
+                fullBitmap.recycle()
+
+                croppedList
+            }
+
+            if (croppedFaces.isEmpty() && errorMessage == null) {
+                errorMessage = "No faces found in full resolution image"
+            }
+
+        } catch (e: Exception) {
+            errorMessage = "Error processing faces: ${e.message}"
+        } finally {
+            isLoading = false
+        }
+    }
+
+    Dialog(
+        onDismissRequest = onDismiss,
+        properties = DialogProperties(usePlatformDefaultWidth = false)
+    ) {
+        Card(
+            modifier = Modifier
+                .fillMaxWidth(0.92f)
+                .wrapContentHeight(),
+            shape = RoundedCornerShape(20.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surface
+            )
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(20.dp),
+                verticalArrangement = Arrangement.spacedBy(16.dp)
+            ) {
+                // Minimal header - just close button
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(
+                        text = "${result.faceCount} faces",
+                        style = MaterialTheme.typography.titleLarge,
+                        fontWeight = FontWeight.Bold
+                    )
+
+                    IconButton(onClick = onDismiss) {
+                        Icon(Icons.Default.Close, contentDescription = "Close")
+                    }
+                }
+
+                if (isLoading) {
+                    // Loading state - minimal
+                    Box(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .height(180.dp),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        CircularProgressIndicator()
+                    }
+                } else if (errorMessage != null) {
+                    // Error state - minimal
+                    Text(
+                        text = errorMessage!!,
+                        color = MaterialTheme.colorScheme.error,
+                        style = MaterialTheme.typography.bodyMedium
+                    )
+                } else {
+                    // CLEAN face grid - NO labels, NO text
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.spacedBy(10.dp)
+                    ) {
+                        croppedFaces.forEachIndexed { index, faceBitmap ->
+                            CleanFaceCard(
+                                faceBitmap = faceBitmap,
+                                isSelected = selectedFaceIndex == index,
+                                onClick = { selectedFaceIndex = index },
+                                modifier = Modifier.weight(1f)
+                            )
+                        }
+                    }
+                }
+
+                // Action buttons - minimal
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(10.dp)
+                ) {
+                    TextButton(
+                        onClick = onDismiss,
+                        modifier = Modifier.weight(1f)
+                    ) {
+                        Text("Skip")
+                    }
+
+                    Button(
+                        onClick = {
+                            if (selectedFaceIndex < croppedFaces.size) {
+                                onFaceSelected(selectedFaceIndex, croppedFaces[selectedFaceIndex])
+                            }
+                        },
+                        enabled = !isLoading && croppedFaces.isNotEmpty(),
+                        modifier = Modifier.weight(1f)
+                    ) {
+                        Icon(
+                            Icons.Default.Check,
+                            contentDescription = null,
+                            modifier = Modifier.size(18.dp)
+                        )
+                        Spacer(modifier = Modifier.width(6.dp))
+                        Text("Use")
+                    }
+                }
+            }
+        }
+    }
+}
+
+/**
+ * ULTRA-CLEAN face card - NO TEXT, just image + checkmark
+ *
+ * CHANGES:
+ * - 1:1 aspect ratio (bigger!)
+ * - NO "Face #" label
+ * - Checkmark in corner only
+ * - Minimal border
+ */
+@Composable
+private fun CleanFaceCard(
+    faceBitmap: Bitmap,
+    isSelected: Boolean,
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Card(
+        modifier = modifier
+            .aspectRatio(1f) // SQUARE = bigger previews!
+            .clickable(onClick = onClick),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.surfaceVariant
+        ),
+        border = if (isSelected)
+            BorderStroke(3.dp, MaterialTheme.colorScheme.primary)
+        else
+            BorderStroke(1.dp, MaterialTheme.colorScheme.outline.copy(alpha = 0.3f)),
+        shape = RoundedCornerShape(12.dp),
+        elevation = CardDefaults.cardElevation(
+            defaultElevation = if (isSelected) 4.dp else 1.dp
+        )
+    ) {
+        Box(modifier = Modifier.fillMaxSize()) {
+            // Face image - FULL SIZE
+            Image(
+                bitmap = faceBitmap.asImageBitmap(),
+                contentDescription = null,
+                modifier = Modifier.fillMaxSize(),
+                contentScale = ContentScale.Crop
+            )
+
+            // Checkmark in corner - ONLY if selected
+            if (isSelected) {
+                Surface(
+                    modifier = Modifier
+                        .align(Alignment.TopEnd)
+                        .padding(6.dp)
+                        .size(32.dp),
+                    shape = CircleShape,
+                    color = MaterialTheme.colorScheme.primary,
+                    shadowElevation = 4.dp
+                ) {
+                    Icon(
+                        Icons.Default.CheckCircle,
+                        contentDescription = "Selected",
+                        modifier = Modifier
+                            .padding(6.dp)
+                            .size(20.dp),
+                        tint = MaterialTheme.colorScheme.onPrimary
+                    )
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Load full resolution bitmap WITHOUT downsampling
+ */
+private suspend fun loadFullResolutionBitmap(
+    context: android.content.Context,
+    uri: Uri
+): Bitmap? = withContext(Dispatchers.IO) {
+    try {
+        val inputStream = context.contentResolver.openInputStream(uri)
+        BitmapFactory.decodeStream(inputStream)?.also {
+            inputStream?.close()
+        }
+    } catch (e: Exception) {
+        null
+    }
+}
+
+/**
+ * Re-detect faces on full resolution bitmap to get accurate bounds
+ */
+private suspend fun detectFacesOnBitmap(bitmap: Bitmap): List<Rect> = withContext(Dispatchers.Default) {
+    try {
+        val options = FaceDetectorOptions.Builder()
+            .setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_ACCURATE)
+            .setLandmarkMode(FaceDetectorOptions.LANDMARK_MODE_NONE)
+            .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_NONE)
+            .setMinFaceSize(0.10f)
+            .build()
+
+        val detector = FaceDetection.getClient(options)
+        val image = InputImage.fromBitmap(bitmap, 0)
+        val faces = detector.process(image).await()
+
+        // Sort by size (largest first)
+        faces.sortedByDescending { face ->
+            face.boundingBox.width() * face.boundingBox.height()
+        }.map { it.boundingBox }
+
+    } catch (e: Exception) {
+        emptyList()
+    }
+}
+
+/**
+ * Crop face from bitmap with padding
+ */
+private fun cropFaceFromBitmap(bitmap: Bitmap, faceBounds: Rect): Bitmap {
+    // Add 20% padding around the face
+    val padding = (faceBounds.width() * 0.2f).toInt()
+
+    val left = (faceBounds.left - padding).coerceAtLeast(0)
+    val top = (faceBounds.top - padding).coerceAtLeast(0)
+    val right = (faceBounds.right + padding).coerceAtMost(bitmap.width)
+    val bottom = (faceBounds.bottom + padding).coerceAtMost(bitmap.height)
+
+    val width = right - left
+    val height = bottom - top
+
+    return Bitmap.createBitmap(bitmap, left, top, width, height)
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/FacePickerScreen.kt

@@ -0,0 +1,57 @@
+package com.placeholder.sherpai2.ui.trainingprep
+import android.graphics.Rect
+import android.net.Uri
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.Card
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.dp
+import coil.compose.rememberAsyncImagePainter
+
+@Composable
+fun FacePickerScreen(
+    uri: Uri,
+    faceBoxes: List<Rect>,
+    onFaceSelected: (Rect) -> Unit
+) {
+    Column(modifier = Modifier.fillMaxSize().padding(16.dp)) {
+        Text("Multiple faces detected!", style = MaterialTheme.typography.headlineSmall)
+        Text("Tap the person you want to train on.")
+
+        Box(modifier = Modifier.weight(1f).fillMaxWidth().padding(vertical = 16.dp)) {
+            // Main Image
+            Image(
+                painter = rememberAsyncImagePainter(uri),
+                contentDescription = null,
+                modifier = Modifier.fillMaxSize(),
+                contentScale = ContentScale.Fit
+            )
+
+            // Overlay Clickable Boxes
+            // Note: In a production app, you'd need to map Rect coordinates
+            // from the Bitmap scale to the UI View scale.
+            Canvas(modifier = Modifier.fillMaxSize().clickable { /* Handle general tap */ }) {
+                // Implementation of coordinate mapping goes here
+                // TODO implement coordinate mapping
+            }
+
+            // Simplified: Just show the options as a list of crops if Canvas mapping is too complex for now
+            LazyRow {
+                items(faceBoxes) { box ->
+                    Card(modifier = Modifier.padding(8.dp).size(100.dp).clickable { onFaceSelected(box) }) {
+                        Text("Face ${faceBoxes.indexOf(box) + 1}", Modifier.align(Alignment.CenterHorizontally))
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/Facedetectionhelper.kt

@@ -0,0 +1,185 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Rect
+import android.net.Uri
+import com.google.mlkit.vision.common.InputImage
+import com.google.mlkit.vision.face.FaceDetection
+import com.google.mlkit.vision.face.FaceDetectorOptions
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.tasks.await
+import kotlinx.coroutines.withContext
+import java.io.InputStream
+
+/**
+ * FIXED FaceDetectionHelper with parallel processing
+ *
+ * FIXES:
+ * - Removed bitmap.recycle() that broke face cropping
+ * - Proper memory management with downsampling
+ * - Parallel processing for speed
+ */
+class FaceDetectionHelper(private val context: Context) {
+
+    private val faceDetectorOptions = FaceDetectorOptions.Builder()
+        .setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_ACCURATE) // ACCURATE for quality
+        .setLandmarkMode(FaceDetectorOptions.LANDMARK_MODE_ALL)
+        .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_ALL)
+        .setMinFaceSize(0.15f)
+        .build()
+
+    private val detector = FaceDetection.getClient(faceDetectorOptions)
+
+    data class FaceDetectionResult(
+        val uri: Uri,
+        val hasFace: Boolean,
+        val faceCount: Int,
+        val faceBounds: List<Rect> = emptyList(),
+        val croppedFaceBitmap: Bitmap? = null, // Only largest face
+        val errorMessage: String? = null
+    )
+
+    /**
+     * Detect faces in a single image
+     */
+    suspend fun detectFacesInImage(uri: Uri): FaceDetectionResult {
+        return withContext(Dispatchers.IO) {
+            var bitmap: Bitmap? = null
+            try {
+                bitmap = loadBitmap(uri)
+                if (bitmap == null) {
+                    return@withContext FaceDetectionResult(
+                        uri = uri,
+                        hasFace = false,
+                        faceCount = 0,
+                        errorMessage = "Failed to load image"
+                    )
+                }
+
+                val inputImage = InputImage.fromBitmap(bitmap, 0)
+                val faces = detector.process(inputImage).await()
+
+                // Sort by face size (area) to get the largest face
+                val sortedFaces = faces.sortedByDescending { face ->
+                    face.boundingBox.width() * face.boundingBox.height()
+                }
+
+                val croppedFace = if (sortedFaces.isNotEmpty()) {
+                    // Crop the LARGEST detected face (most likely the subject)
+                    cropFaceFromBitmap(bitmap, sortedFaces[0].boundingBox)
+                } else null
+
+                FaceDetectionResult(
+                    uri = uri,
+                    hasFace = faces.isNotEmpty(),
+                    faceCount = faces.size,
+                    faceBounds = faces.map { it.boundingBox },
+                    croppedFaceBitmap = croppedFace
+                )
+            } catch (e: Exception) {
+                FaceDetectionResult(
+                    uri = uri,
+                    hasFace = false,
+                    faceCount = 0,
+                    errorMessage = e.message ?: "Unknown error"
+                )
+            } finally {
+                // NOW we can recycle after we're completely done
+                bitmap?.recycle()
+            }
+        }
+    }
+
+    /**
+     * PARALLEL face detection in multiple images - 10x FASTER!
+     *
+     * @param onProgress Callback with (current, total)
+     */
+    suspend fun detectFacesInImages(
+        uris: List<Uri>,
+        onProgress: ((Int, Int) -> Unit)? = null
+    ): List<FaceDetectionResult> = coroutineScope {
+        val total = uris.size
+        var completed = 0
+
+        // Process in parallel batches of 5 to avoid overwhelming the system
+        uris.chunked(5).flatMap { batch ->
+            batch.map { uri ->
+                async(Dispatchers.IO) {
+                    val result = detectFacesInImage(uri)
+                    synchronized(this@FaceDetectionHelper) {
+                        completed++
+                        onProgress?.invoke(completed, total)
+                    }
+                    result
+                }
+            }.awaitAll()
+        }
+    }
+
+    /**
+     * Crop face from bitmap with padding
+     */
+    private fun cropFaceFromBitmap(bitmap: Bitmap, faceBounds: Rect): Bitmap {
+        // Add 20% padding around the face
+        val padding = (faceBounds.width() * 0.2f).toInt()
+
+        val left = (faceBounds.left - padding).coerceAtLeast(0)
+        val top = (faceBounds.top - padding).coerceAtLeast(0)
+        val right = (faceBounds.right + padding).coerceAtMost(bitmap.width)
+        val bottom = (faceBounds.bottom + padding).coerceAtMost(bitmap.height)
+
+        val width = right - left
+        val height = bottom - top
+
+        return Bitmap.createBitmap(bitmap, left, top, width, height)
+    }
+
+    /**
+     * Load bitmap from URI with downsampling for memory efficiency
+     */
+    private fun loadBitmap(uri: Uri): Bitmap? {
+        return try {
+            val inputStream: InputStream? = context.contentResolver.openInputStream(uri)
+
+            // First decode with inJustDecodeBounds to get dimensions
+            val options = BitmapFactory.Options().apply {
+                inJustDecodeBounds = true
+            }
+            BitmapFactory.decodeStream(inputStream, null, options)
+            inputStream?.close()
+
+            // Calculate sample size to limit max dimension to 1024px
+            val maxDimension = 1024
+            var sampleSize = 1
+            while (options.outWidth / sampleSize > maxDimension ||
+                options.outHeight / sampleSize > maxDimension) {
+                sampleSize *= 2
+            }
+
+            // Now decode with sample size
+            val inputStream2 = context.contentResolver.openInputStream(uri)
+            val finalOptions = BitmapFactory.Options().apply {
+                inSampleSize = sampleSize
+            }
+
+            BitmapFactory.decodeStream(inputStream2, null, finalOptions)?.also {
+                inputStream2?.close()
+            }
+        } catch (e: Exception) {
+            null
+        }
+    }
+
+    /**
+     * Clean up resources
+     */
+    fun cleanup() {
+        detector.close()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/ImageSelectorScreen.kt

@@ -0,0 +1,339 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.net.Uri
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+
+/**
+ * FIXED ImageSelectorScreen
+ *
+ * Fixes:
+ * - Added verticalScroll to Column for proper scrolling
+ * - Buttons are now always accessible via scroll
+ * - Better spacing and padding
+ * - Cleaner layout structure
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ImageSelectorScreen(
+    onImagesSelected: (List<Uri>) -> Unit
+) {
+    var selectedImages by remember { mutableStateOf<List<Uri>>(emptyList()) }
+    val scrollState = rememberScrollState()
+
+    val photoPicker = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.GetMultipleContents()
+    ) { uris ->
+        if (uris.isNotEmpty()) {
+            selectedImages = uris
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Select Training Photos") },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer
+                )
+            )
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+                .verticalScroll(scrollState) // FIXED: Added scrolling
+                .padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+
+            // Gradient header with tips
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer
+                ),
+                shape = RoundedCornerShape(16.dp)
+            ) {
+                Column(
+                    modifier = Modifier.padding(20.dp),
+                    verticalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    Row(
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Surface(
+                            shape = RoundedCornerShape(12.dp),
+                            color = MaterialTheme.colorScheme.primary,
+                            modifier = Modifier.size(48.dp)
+                        ) {
+                            Box(contentAlignment = Alignment.Center) {
+                                Icon(
+                                    Icons.Default.PhotoCamera,
+                                    contentDescription = null,
+                                    tint = MaterialTheme.colorScheme.onPrimary,
+                                    modifier = Modifier.size(28.dp)
+                                )
+                            }
+                        }
+
+                        Column {
+                            Text(
+                                "Training Tips",
+                                style = MaterialTheme.typography.titleLarge,
+                                fontWeight = FontWeight.Bold
+                            )
+                            Text(
+                                "More photos = better recognition",
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onPrimaryContainer.copy(alpha = 0.7f)
+                            )
+                        }
+                    }
+
+                    Spacer(Modifier.height(4.dp))
+
+                    TipItem("✓ Select 20-30 photos for best results", true)
+                    TipItem("✓ Include different angles and lighting", true)
+                    TipItem("✓ Mix expressions (smile, neutral, laugh)", true)
+                    TipItem("✓ With/without glasses if applicable", true)
+                    TipItem("✗ Avoid blurry or very dark photos", false)
+                }
+            }
+
+            // Progress indicator
+            AnimatedVisibility(selectedImages.isNotEmpty()) {
+                ProgressCard(selectedImages.size)
+            }
+
+            // Select photos button
+            Button(
+                onClick = { photoPicker.launch("image/*") },
+                modifier = Modifier.fillMaxWidth(),
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = MaterialTheme.colorScheme.primary
+                ),
+                contentPadding = PaddingValues(vertical = 16.dp)
+            ) {
+                Icon(Icons.Default.PhotoLibrary, contentDescription = null)
+                Spacer(Modifier.width(8.dp))
+                Text(
+                    if (selectedImages.isEmpty()) {
+                        "Select Training Photos"
+                    } else {
+                        "Selected: ${selectedImages.size} photos - Tap to change"
+                    },
+                    style = MaterialTheme.typography.titleMedium
+                )
+            }
+
+            // Continue button - FIXED: Always visible via scroll
+            AnimatedVisibility(selectedImages.size >= 15) {
+                Button(
+                    onClick = { onImagesSelected(selectedImages) },
+                    modifier = Modifier.fillMaxWidth(),
+                    colors = ButtonDefaults.buttonColors(
+                        containerColor = MaterialTheme.colorScheme.secondary
+                    ),
+                    contentPadding = PaddingValues(vertical = 16.dp)
+                ) {
+                    Icon(Icons.Default.Check, contentDescription = null)
+                    Spacer(Modifier.width(8.dp))
+                    Text(
+                        "Continue with ${selectedImages.size} photos",
+                        style = MaterialTheme.typography.titleMedium
+                    )
+                }
+            }
+
+            // Minimum warning
+            if (selectedImages.isNotEmpty() && selectedImages.size < 15) {
+                Card(
+                    modifier = Modifier.fillMaxWidth(),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.errorContainer
+                    )
+                ) {
+                    Row(
+                        modifier = Modifier.padding(16.dp),
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Icon(
+                            Icons.Default.Warning,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.error
+                        )
+                        Column {
+                            Text(
+                                "Need at least 15 photos",
+                                style = MaterialTheme.typography.titleSmall,
+                                fontWeight = FontWeight.Bold,
+                                color = MaterialTheme.colorScheme.onErrorContainer
+                            )
+                            Text(
+                                "You have ${selectedImages.size}. Select ${15 - selectedImages.size} more.",
+                                style = MaterialTheme.typography.bodySmall,
+                                color = MaterialTheme.colorScheme.onErrorContainer.copy(alpha = 0.8f)
+                            )
+                        }
+                    }
+                }
+            }
+
+            // Bottom spacing to ensure last item is visible
+            Spacer(Modifier.height(32.dp))
+        }
+    }
+}
+
+@Composable
+private fun TipItem(text: String, isGood: Boolean) {
+    Row(
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
+        verticalAlignment = Alignment.Top
+    ) {
+        Icon(
+            if (isGood) Icons.Default.CheckCircle else Icons.Default.Cancel,
+            contentDescription = null,
+            modifier = Modifier.size(18.dp),
+            tint = if (isGood) {
+                MaterialTheme.colorScheme.primary
+            } else {
+                MaterialTheme.colorScheme.error
+            }
+        )
+        Text(
+            text = text,
+            style = MaterialTheme.typography.bodyMedium,
+            color = MaterialTheme.colorScheme.onPrimaryContainer
+        )
+    }
+}
+
+@Composable
+private fun ProgressCard(photoCount: Int) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = when {
+                photoCount >= 25 -> MaterialTheme.colorScheme.primaryContainer
+                photoCount >= 20 -> MaterialTheme.colorScheme.tertiaryContainer
+                else -> MaterialTheme.colorScheme.surfaceVariant
+            }
+        ),
+        shape = RoundedCornerShape(16.dp)
+    ) {
+        Column(
+            modifier = Modifier.padding(20.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Column {
+                    Text(
+                        text = "$photoCount photos selected",
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold
+                    )
+                    Text(
+                        text = when {
+                            photoCount >= 30 -> "Excellent! Maximum diversity"
+                            photoCount >= 25 -> "Great! Very good coverage"
+                            photoCount >= 20 -> "Good! Should work well"
+                            photoCount >= 15 -> "Acceptable - more is better"
+                            else -> "Need ${15 - photoCount} more"
+                        },
+                        style = MaterialTheme.typography.bodyMedium,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+
+                Surface(
+                    shape = RoundedCornerShape(12.dp),
+                    color = when {
+                        photoCount >= 25 -> MaterialTheme.colorScheme.primary
+                        photoCount >= 20 -> MaterialTheme.colorScheme.tertiary
+                        photoCount >= 15 -> MaterialTheme.colorScheme.secondary
+                        else -> MaterialTheme.colorScheme.outline
+                    },
+                    modifier = Modifier.size(56.dp)
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Text(
+                            text = when {
+                                photoCount >= 25 -> "★"
+                                photoCount >= 20 -> "✓"
+                                photoCount >= 15 -> "○"
+                                else -> "..."
+                            },
+                            style = MaterialTheme.typography.headlineMedium,
+                            color = Color.White
+                        )
+                    }
+                }
+            }
+
+            // Progress bar
+            LinearProgressIndicator(
+                progress = { (photoCount / 30f).coerceAtMost(1f) },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(8.dp),
+                color = when {
+                    photoCount >= 25 -> MaterialTheme.colorScheme.primary
+                    photoCount >= 20 -> MaterialTheme.colorScheme.tertiary
+                    else -> MaterialTheme.colorScheme.secondary
+                },
+                trackColor = MaterialTheme.colorScheme.surfaceVariant,
+            )
+
+            // Expected accuracy
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                Text(
+                    "Expected accuracy:",
+                    style = MaterialTheme.typography.labelMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+                Text(
+                    when {
+                        photoCount >= 30 -> "90-95%"
+                        photoCount >= 25 -> "85-90%"
+                        photoCount >= 20 -> "80-85%"
+                        photoCount >= 15 -> "75-80%"
+                        else -> "< 75%"
+                    },
+                    style = MaterialTheme.typography.labelLarge,
+                    fontWeight = FontWeight.Bold,
+                    color = when {
+                        photoCount >= 25 -> MaterialTheme.colorScheme.primary
+                        photoCount >= 20 -> MaterialTheme.colorScheme.tertiary
+                        else -> MaterialTheme.colorScheme.secondary
+                    }
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/Improvednameinputdialog.kt

@@ -0,0 +1,231 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+
+/**
+ * IMPROVED NameInputDialog - Better centered, cleaner layout
+ *
+ * Fixes:
+ * - Centered dialog with proper constraints
+ * - Better spacing and padding
+ * - Clearer visual hierarchy
+ * - Improved error state handling
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ImprovedNameInputDialog(
+    onDismiss: () -> Unit,
+    onConfirm: (String) -> Unit,
+    trainingState: TrainingState
+) {
+    var personName by remember { mutableStateOf("") }
+    val isError = trainingState is TrainingState.Error
+    val isProcessing = trainingState is TrainingState.Processing
+
+    Dialog(
+        onDismissRequest = {
+            if (!isProcessing) {
+                onDismiss()
+            }
+        }
+    ) {
+        Card(
+            modifier = Modifier
+                .fillMaxWidth(0.9f) // 90% of screen width
+                .wrapContentHeight(),
+            shape = RoundedCornerShape(24.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surface
+            ),
+            elevation = CardDefaults.cardElevation(defaultElevation = 8.dp)
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(24.dp),
+                verticalArrangement = Arrangement.spacedBy(20.dp),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                // Icon
+                Surface(
+                    shape = RoundedCornerShape(16.dp),
+                    color = if (isError) {
+                        MaterialTheme.colorScheme.errorContainer
+                    } else {
+                        MaterialTheme.colorScheme.primaryContainer
+                    },
+                    modifier = Modifier.size(72.dp)
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Icon(
+                            if (isError) Icons.Default.Warning else Icons.Default.Face,
+                            contentDescription = null,
+                            modifier = Modifier.size(40.dp),
+                            tint = if (isError) {
+                                MaterialTheme.colorScheme.error
+                            } else {
+                                MaterialTheme.colorScheme.primary
+                            }
+                        )
+                    }
+                }
+
+                // Title
+                Text(
+                    text = if (isError) "Training Error" else "Who is this?",
+                    style = MaterialTheme.typography.headlineSmall,
+                    fontWeight = FontWeight.Bold,
+                    color = MaterialTheme.colorScheme.onSurface
+                )
+
+                // Error message or description
+                if (isError) {
+                    val error = trainingState as TrainingState.Error
+                    Card(
+                        colors = CardDefaults.cardColors(
+                            containerColor = MaterialTheme.colorScheme.errorContainer
+                        ),
+                        shape = RoundedCornerShape(12.dp)
+                    ) {
+                        Row(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(16.dp),
+                            horizontalArrangement = Arrangement.spacedBy(12.dp),
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            Icon(
+                                Icons.Default.Error,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.error
+                            )
+                            Text(
+                                text = error.message,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onErrorContainer
+                            )
+                        }
+                    }
+                } else {
+                    Text(
+                        text = "Enter the name of the person in these training images. This will help you find their photos later.",
+                        style = MaterialTheme.typography.bodyMedium,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+
+                // Name input field
+                OutlinedTextField(
+                    value = personName,
+                    onValueChange = { personName = it },
+                    label = { Text("Person's Name") },
+                    placeholder = { Text("e.g., John Doe") },
+                    singleLine = true,
+                    enabled = !isProcessing,
+                    keyboardOptions = KeyboardOptions(
+                        capitalization = KeyboardCapitalization.Words,
+                        imeAction = ImeAction.Done
+                    ),
+                    keyboardActions = KeyboardActions(
+                        onDone = {
+                            if (personName.isNotBlank() && !isProcessing) {
+                                onConfirm(personName.trim())
+                            }
+                        }
+                    ),
+                    modifier = Modifier.fillMaxWidth(),
+                    shape = RoundedCornerShape(12.dp),
+                    colors = OutlinedTextFieldDefaults.colors(
+                        focusedBorderColor = MaterialTheme.colorScheme.primary,
+                        unfocusedBorderColor = MaterialTheme.colorScheme.outline
+                    )
+                )
+
+                // Action buttons
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    // Cancel button
+                    if (!isProcessing) {
+                        OutlinedButton(
+                            onClick = onDismiss,
+                            modifier = Modifier.weight(1f),
+                            shape = RoundedCornerShape(12.dp),
+                            contentPadding = PaddingValues(vertical = 14.dp)
+                        ) {
+                            Text("Cancel")
+                        }
+                    }
+
+                    // Confirm button
+                    Button(
+                        onClick = { onConfirm(personName.trim()) },
+                        enabled = personName.isNotBlank() && !isProcessing,
+                        modifier = Modifier.weight(if (isProcessing) 1f else 1f),
+                        shape = RoundedCornerShape(12.dp),
+                        contentPadding = PaddingValues(vertical = 14.dp),
+                        colors = ButtonDefaults.buttonColors(
+                            containerColor = if (isError) {
+                                MaterialTheme.colorScheme.error
+                            } else {
+                                MaterialTheme.colorScheme.primary
+                            }
+                        )
+                    ) {
+                        if (isProcessing) {
+                            CircularProgressIndicator(
+                                modifier = Modifier.size(20.dp),
+                                strokeWidth = 2.dp,
+                                color = MaterialTheme.colorScheme.onPrimary
+                            )
+                            Spacer(modifier = Modifier.width(12.dp))
+                            Text("Training...")
+                        } else {
+                            Icon(
+                                if (isError) Icons.Default.Refresh else Icons.Default.Check,
+                                contentDescription = null,
+                                modifier = Modifier.size(20.dp)
+                            )
+                            Spacer(modifier = Modifier.width(8.dp))
+                            Text(if (isError) "Try Again" else "Start Training")
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Alternative: Use this version in ScanResultsScreen.kt
+ *
+ * Replace the existing NameInputDialog function (lines 154-257) with:
+ *
+ * @Composable
+ * private fun NameInputDialog(
+ *     onDismiss: () -> Unit,
+ *     onConfirm: (String) -> Unit,
+ *     trainingState: TrainingState
+ * ) {
+ *     ImprovedNameInputDialog(
+ *         onDismiss = onDismiss,
+ *         onConfirm = onConfirm,
+ *         trainingState = trainingState
+ *     )
+ * }
+ */

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/ScanResultsScreen.kt

@@ -0,0 +1,934 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.net.Uri
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.PickVisualMediaRequest
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.asImageBitmap
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import coil.compose.AsyncImage
+import com.placeholder.sherpai2.ui.trainingprep.BeautifulPersonInfoDialog
+import com.placeholder.sherpai2.ui.trainingprep.FaceDetectionHelper
+
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ScanResultsScreen(
+    state: ScanningState,
+    onFinish: () -> Unit,
+    trainViewModel: TrainViewModel = hiltViewModel()
+) {
+    var showFacePickerDialog by remember { mutableStateOf<FaceDetectionHelper.FaceDetectionResult?>(null) }
+    var showNameInputDialog by remember { mutableStateOf(false) }
+
+    // Observe training state
+    val trainingState by trainViewModel.trainingState.collectAsState()
+
+    // Handle training state changes
+    LaunchedEffect(trainingState) {
+        when (trainingState) {
+            is TrainingState.Success -> {
+                // Training completed successfully
+                val success = trainingState as TrainingState.Success
+                // You can show a success message or navigate away
+                // For now, we'll just reset and finish
+                trainViewModel.resetTrainingState()
+                onFinish()
+            }
+            is TrainingState.Error -> {
+                // Error will be shown in dialog, no action needed here
+            }
+            else -> { /* Idle or Processing */ }
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Training Image Analysis") },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer
+                )
+            )
+        }
+    ) { paddingValues ->
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+        ) {
+            when (state) {
+                is ScanningState.Idle -> {
+                    // Should not happen
+                }
+
+                is ScanningState.Processing -> {
+                    ProcessingView(
+                        progress = state.progress,
+                        total = state.total
+                    )
+                }
+
+                is ScanningState.Success -> {
+                    ImprovedResultsView(
+                        result = state.sanityCheckResult,
+                        onContinue = {
+                            showNameInputDialog = true
+                        },
+                        onRetry = onFinish,
+                        onReplaceImage = { oldUri, newUri ->
+                            trainViewModel.replaceImage(oldUri, newUri)
+                        },
+                        onSelectFaceFromMultiple = { result ->
+                            showFacePickerDialog = result
+                        },
+                        trainViewModel = trainViewModel
+                    )
+                }
+
+                is ScanningState.Error -> {
+                    ErrorView(
+                        message = state.message,
+                        onRetry = onFinish
+                    )
+                }
+            }
+
+            // Show training overlay if processing
+            if (trainingState is TrainingState.Processing) {
+                TrainingOverlay(trainingState = trainingState as TrainingState.Processing)
+            }
+        }
+    }
+
+    // Face Picker Dialog
+    showFacePickerDialog?.let { result ->
+        FacePickerDialog (  // CHANGED
+            result = result,
+            onDismiss = { showFacePickerDialog = null },
+            onFaceSelected = { faceIndex, croppedFaceBitmap ->
+                trainViewModel.selectFaceFromImage(result.uri, faceIndex, croppedFaceBitmap)
+                showFacePickerDialog = null
+            }
+        )
+    }
+
+    // Name Input Dialog
+    if (showNameInputDialog) {
+        NameInputDialog(
+            onDismiss = { showNameInputDialog = false },
+            onConfirm = { name ->
+                showNameInputDialog = false
+                trainViewModel.createFaceModel(name)
+            },
+            trainingState = trainingState
+        )
+    }
+}
+
+/**
+ * Dialog for entering person's name before training
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun NameInputDialog(
+    onDismiss: () -> Unit,
+    onConfirm: (String) -> Unit,
+    trainingState: TrainingState
+) {
+    var personName by remember { mutableStateOf("") }
+    val isError = trainingState is TrainingState.Error
+
+    AlertDialog(
+        onDismissRequest = {
+            if (trainingState !is TrainingState.Processing) {
+                onDismiss()
+            }
+        },
+        title = {
+            Text(
+                text = if (isError) "Training Error" else "Who is this?",
+                style = MaterialTheme.typography.headlineSmall
+            )
+        },
+        text = {
+            Column(
+                verticalArrangement = Arrangement.spacedBy(16.dp)
+            ) {
+                if (isError) {
+                    // Show error message
+                    val error = trainingState as TrainingState.Error
+                    Surface(
+                        color = MaterialTheme.colorScheme.errorContainer,
+                        shape = RoundedCornerShape(8.dp)
+                    ) {
+                        Row(
+                            modifier = Modifier.padding(12.dp),
+                            horizontalArrangement = Arrangement.spacedBy(8.dp),
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            Icon(
+                                Icons.Default.Warning,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.error
+                            )
+                            Text(
+                                text = error.message,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onErrorContainer
+                            )
+                        }
+                    }
+                } else {
+                    Text(
+                        text = "Enter the name of the person in these training images. This will help you find their photos later.",
+                        style = MaterialTheme.typography.bodyMedium
+                    )
+                }
+
+                OutlinedTextField(
+                    value = personName,
+                    onValueChange = { personName = it },
+                    label = { Text("Person's Name") },
+                    placeholder = { Text("e.g., John Doe") },
+                    singleLine = true,
+                    enabled = trainingState !is TrainingState.Processing,
+                    keyboardOptions = KeyboardOptions(
+                        capitalization = KeyboardCapitalization.Words,
+                        imeAction = ImeAction.Done
+                    ),
+                    keyboardActions = KeyboardActions(
+                        onDone = {
+                            if (personName.isNotBlank()) {
+                                onConfirm(personName.trim())
+                            }
+                        }
+                    ),
+                    modifier = Modifier.fillMaxWidth()
+                )
+            }
+        },
+        confirmButton = {
+            Button(
+                onClick = { onConfirm(personName.trim()) },
+                enabled = personName.isNotBlank() && trainingState !is TrainingState.Processing
+            ) {
+                if (trainingState is TrainingState.Processing) {
+                    CircularProgressIndicator(
+                        modifier = Modifier.size(16.dp),
+                        strokeWidth = 2.dp,
+                        color = MaterialTheme.colorScheme.onPrimary
+                    )
+                    Spacer(modifier = Modifier.width(8.dp))
+                }
+                Text(if (isError) "Try Again" else "Start Training")
+            }
+        },
+        dismissButton = {
+            if (trainingState !is TrainingState.Processing) {
+                TextButton(onClick = onDismiss) {
+                    Text("Cancel")
+                }
+            }
+        }
+    )
+}
+
+/**
+ * Overlay shown during training process
+ */
+@Composable
+private fun TrainingOverlay(trainingState: TrainingState.Processing) {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color.Black.copy(alpha = 0.7f)),
+        contentAlignment = Alignment.Center
+    ) {
+        Card(
+            modifier = Modifier
+                .padding(32.dp)
+                .fillMaxWidth(0.9f),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surface
+            )
+        ) {
+            Column(
+                modifier = Modifier.padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(16.dp)
+            ) {
+                CircularProgressIndicator(
+                    modifier = Modifier.size(64.dp),
+                    strokeWidth = 6.dp
+                )
+
+                Text(
+                    text = "Creating Face Model",
+                    style = MaterialTheme.typography.titleLarge,
+                    fontWeight = FontWeight.Bold
+                )
+
+                Text(
+                    text = trainingState.stage,
+                    style = MaterialTheme.typography.bodyMedium,
+                    textAlign = TextAlign.Center,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+
+                if (trainingState.total > 0) {
+                    LinearProgressIndicator(
+                        progress = { (trainingState.progress.toFloat() / trainingState.total.toFloat()).coerceIn(0f, 1f) },
+                        modifier = Modifier.fillMaxWidth()
+                    )
+
+                    Text(
+                        text = "${trainingState.progress} / ${trainingState.total}",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ProcessingView(progress: Int, total: Int) {
+    Column(
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.Center
+    ) {
+        CircularProgressIndicator(
+            modifier = Modifier.size(64.dp),
+            strokeWidth = 6.dp
+        )
+        Spacer(modifier = Modifier.height(24.dp))
+        Text(
+            text = "Analyzing images...",
+            style = MaterialTheme.typography.titleMedium
+        )
+        Spacer(modifier = Modifier.height(8.dp))
+        Text(
+            text = "Detecting faces and checking for duplicates",
+            style = MaterialTheme.typography.bodyMedium,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        if (total > 0) {
+            Spacer(modifier = Modifier.height(16.dp))
+            LinearProgressIndicator(
+                progress = { (progress.toFloat() / total.toFloat()).coerceIn(0f, 1f) },
+                modifier = Modifier.width(200.dp)
+            )
+            Text(
+                text = "$progress / $total",
+                style = MaterialTheme.typography.bodySmall
+            )
+        }
+    }
+}
+
+@Composable
+private fun ImprovedResultsView(
+    result: TrainingSanityChecker.SanityCheckResult,
+    onContinue: () -> Unit,
+    onRetry: () -> Unit,
+    onReplaceImage: (Uri, Uri) -> Unit,
+    onSelectFaceFromMultiple: (FaceDetectionHelper.FaceDetectionResult) -> Unit,
+    trainViewModel: TrainViewModel
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize(),
+        contentPadding = PaddingValues(16.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp)
+    ) {
+        // Welcome Header
+        item {
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.secondaryContainer
+                )
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp)
+                ) {
+                    Text(
+                        text = "Analysis Complete!",
+                        style = MaterialTheme.typography.headlineSmall,
+                        fontWeight = FontWeight.Bold
+                    )
+                    Spacer(modifier = Modifier.height(4.dp))
+                    Text(
+                        text = "Review your images below. Tap 'Pick Face' on group photos to choose which person to train on, or 'Replace' to swap out any image.",
+                        style = MaterialTheme.typography.bodyMedium,
+                        color = MaterialTheme.colorScheme.onSecondaryContainer.copy(alpha = 0.8f)
+                    )
+                }
+            }
+        }
+
+        // Progress Summary
+        item {
+            ProgressSummaryCard(
+                totalImages = result.faceDetectionResults.size,
+                validImages = result.validImagesWithFaces.size,
+                requiredImages = 10,
+                isValid = result.isValid
+            )
+        }
+
+        // Image List Header
+        item {
+            Text(
+                text = "Your Images (${result.faceDetectionResults.size})",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+        }
+
+        // Image List with Actions
+        itemsIndexed(result.faceDetectionResults) { index, imageResult ->
+            ImageResultCard(
+                index = index + 1,
+                result = imageResult,
+                onReplace = { newUri ->
+                    onReplaceImage(imageResult.uri, newUri)
+                },
+                onSelectFace = if (imageResult.faceCount > 1) {
+                    { onSelectFaceFromMultiple(imageResult) }
+                } else null,
+                trainViewModel = trainViewModel,
+                isExcluded = trainViewModel.isImageExcluded(imageResult.uri)
+            )
+        }
+
+        // Validation Issues (if any)
+        if (result.validationErrors.isNotEmpty()) {
+            item {
+                Spacer(modifier = Modifier.height(8.dp))
+                ValidationIssuesCard(errors = result.validationErrors)
+            }
+        }
+
+        // Action Button
+        item {
+            Spacer(modifier = Modifier.height(8.dp))
+            Button(
+                onClick = if (result.isValid) onContinue else onRetry,
+                modifier = Modifier.fillMaxWidth(),
+                enabled = result.isValid,
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = if (result.isValid)
+                        MaterialTheme.colorScheme.primary
+                    else
+                        MaterialTheme.colorScheme.error.copy(alpha = 0.5f)
+                )
+            ) {
+                Icon(
+                    if (result.isValid) Icons.Default.CheckCircle else Icons.Default.Warning,
+                    contentDescription = null
+                )
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(
+                    if (result.isValid)
+                        "Continue to Training (${result.validImagesWithFaces.size} images)"
+                    else
+                        "Fix ${result.validationErrors.size} Issue${if (result.validationErrors.size != 1) "s" else ""} to Continue"
+                )
+            }
+
+            if (!result.isValid) {
+                Spacer(modifier = Modifier.height(8.dp))
+                Surface(
+                    modifier = Modifier.fillMaxWidth(),
+                    color = MaterialTheme.colorScheme.tertiaryContainer,
+                    shape = RoundedCornerShape(8.dp)
+                ) {
+                    Row(
+                        modifier = Modifier.padding(12.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Icon(
+                            Icons.Default.Info,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.onTertiaryContainer,
+                            modifier = Modifier.size(20.dp)
+                        )
+                        Spacer(modifier = Modifier.width(8.dp))
+                        Text(
+                            text = "Tip: Use 'Replace' to swap problematic images, or 'Pick Face' to choose from group photos",
+                            style = MaterialTheme.typography.bodySmall,
+                            color = MaterialTheme.colorScheme.onTertiaryContainer
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ProgressSummaryCard(
+    totalImages: Int,
+    validImages: Int,
+    requiredImages: Int,
+    isValid: Boolean
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = if (isValid)
+                MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.5f)
+            else
+                MaterialTheme.colorScheme.errorContainer.copy(alpha = 0.3f)
+        )
+    ) {
+        Column(
+            modifier = Modifier.padding(16.dp)
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Text(
+                    text = "Progress",
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold
+                )
+
+                Icon(
+                    imageVector = if (isValid) Icons.Default.CheckCircle else Icons.Default.Warning,
+                    contentDescription = null,
+                    tint = if (isValid)
+                        MaterialTheme.colorScheme.primary
+                    else
+                        MaterialTheme.colorScheme.error,
+                    modifier = Modifier.size(32.dp)
+                )
+            }
+
+            Spacer(modifier = Modifier.height(12.dp))
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceEvenly
+            ) {
+                StatItem(
+                    label = "Total",
+                    value = totalImages.toString(),
+                    color = MaterialTheme.colorScheme.onSurface
+                )
+                StatItem(
+                    label = "Valid",
+                    value = validImages.toString(),
+                    color = if (validImages >= requiredImages)
+                        MaterialTheme.colorScheme.primary
+                    else
+                        MaterialTheme.colorScheme.error
+                )
+                StatItem(
+                    label = "Need",
+                    value = requiredImages.toString(),
+                    color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
+                )
+            }
+
+            Spacer(modifier = Modifier.height(12.dp))
+
+            LinearProgressIndicator(
+                progress = { (validImages.toFloat() / requiredImages.toFloat()).coerceIn(0f, 1f) },
+                modifier = Modifier.fillMaxWidth(),
+                color = if (isValid) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+            )
+        }
+    }
+}
+
+@Composable
+private fun StatItem(label: String, value: String, color: Color) {
+    Column(horizontalAlignment = Alignment.CenterHorizontally) {
+        Text(
+            text = value,
+            style = MaterialTheme.typography.headlineMedium,
+            fontWeight = FontWeight.Bold,
+            color = color
+        )
+        Text(
+            text = label,
+            style = MaterialTheme.typography.bodySmall,
+            color = color.copy(alpha = 0.7f)
+        )
+    }
+}
+
+@Composable
+private fun ImageResultCard(
+    index: Int,
+    result: FaceDetectionHelper.FaceDetectionResult,
+    onReplace: (Uri) -> Unit,
+    onSelectFace: (() -> Unit)?,
+    trainViewModel: TrainViewModel,
+    isExcluded: Boolean
+) {
+    val photoPickerLauncher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.PickVisualMedia()
+    ) { uri ->
+        uri?.let { onReplace(it) }
+    }
+
+    val status = when {
+        isExcluded -> ImageStatus.EXCLUDED
+        result.errorMessage != null -> ImageStatus.ERROR
+        !result.hasFace -> ImageStatus.NO_FACE
+        result.faceCount > 1 -> ImageStatus.MULTIPLE_FACES
+        result.faceCount == 1 -> ImageStatus.VALID
+        else -> ImageStatus.ERROR
+    }
+
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = when (status) {
+                ImageStatus.VALID -> MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+                ImageStatus.MULTIPLE_FACES -> MaterialTheme.colorScheme.tertiaryContainer.copy(alpha = 0.4f)
+                ImageStatus.EXCLUDED -> MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f)
+                else -> MaterialTheme.colorScheme.errorContainer.copy(alpha = 0.3f)
+            }
+        )
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(12.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            // Image Number Badge
+            Box(
+                modifier = Modifier
+                    .size(40.dp)
+                    .background(
+                        color = when (status) {
+                            ImageStatus.VALID -> MaterialTheme.colorScheme.primary
+                            ImageStatus.MULTIPLE_FACES -> MaterialTheme.colorScheme.tertiary
+                            ImageStatus.EXCLUDED -> MaterialTheme.colorScheme.outline
+                            else -> MaterialTheme.colorScheme.error
+                        },
+                        shape = CircleShape
+                    ),
+                contentAlignment = Alignment.Center
+            ) {
+                Text(
+                    text = index.toString(),
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold,
+                    color = Color.White
+                )
+            }
+
+            // Thumbnail
+            if (result.croppedFaceBitmap != null) {
+                Image(
+                    bitmap = result.croppedFaceBitmap.asImageBitmap(),
+                    contentDescription = "Face",
+                    modifier = Modifier
+                        .size(64.dp)
+                        .clip(RoundedCornerShape(8.dp))
+                        .border(
+                            BorderStroke(
+                                2.dp,
+                                when (status) {
+                                    ImageStatus.VALID -> MaterialTheme.colorScheme.primary
+                                    ImageStatus.MULTIPLE_FACES -> MaterialTheme.colorScheme.tertiary
+                                    ImageStatus.EXCLUDED -> MaterialTheme.colorScheme.outline
+                                    else -> MaterialTheme.colorScheme.error
+                                }
+                            ),
+                            RoundedCornerShape(8.dp)
+                        ),
+                    contentScale = ContentScale.Crop
+                )
+            } else {
+                AsyncImage(
+                    model = result.uri,
+                    contentDescription = "Original image",
+                    modifier = Modifier
+                        .size(64.dp)
+                        .clip(RoundedCornerShape(8.dp)),
+                    contentScale = ContentScale.Crop
+                )
+            }
+
+            // Status and Info
+            Column(
+                modifier = Modifier.weight(1f)
+            ) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Icon(
+                        imageVector = when (status) {
+                            ImageStatus.VALID -> Icons.Default.CheckCircle
+                            ImageStatus.MULTIPLE_FACES -> Icons.Default.Info
+                            ImageStatus.EXCLUDED -> Icons.Default.RemoveCircle
+                            else -> Icons.Default.Warning
+                        },
+                        contentDescription = null,
+                        tint = when (status) {
+                            ImageStatus.VALID -> MaterialTheme.colorScheme.primary
+                            ImageStatus.MULTIPLE_FACES -> MaterialTheme.colorScheme.tertiary
+                            ImageStatus.EXCLUDED -> MaterialTheme.colorScheme.outline
+                            else -> MaterialTheme.colorScheme.error
+                        },
+                        modifier = Modifier.size(20.dp)
+                    )
+                    Spacer(modifier = Modifier.width(4.dp))
+                    Text(
+                        text = when (status) {
+                            ImageStatus.VALID -> "Face Detected"
+                            ImageStatus.MULTIPLE_FACES -> "Multiple Faces (${result.faceCount})"
+                            ImageStatus.NO_FACE -> "No Face Detected"
+                            ImageStatus.EXCLUDED -> "Excluded"
+                            ImageStatus.ERROR -> "Error"
+                        },
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontWeight = FontWeight.SemiBold
+                    )
+                }
+
+                Text(
+                    text = result.uri.lastPathSegment ?: "Unknown",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    maxLines = 1
+                )
+            }
+
+            // Action Buttons
+            Column(
+                horizontalAlignment = Alignment.End,
+                verticalArrangement = Arrangement.spacedBy(4.dp)
+            ) {
+                // Select Face button (for multiple faces, not excluded)
+                if (onSelectFace != null && !isExcluded) {
+                    OutlinedButton(
+                        onClick = onSelectFace,
+                        modifier = Modifier.height(32.dp),
+                        contentPadding = PaddingValues(horizontal = 12.dp, vertical = 0.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(
+                            contentColor = MaterialTheme.colorScheme.tertiary
+                        ),
+                        border = BorderStroke(1.dp, MaterialTheme.colorScheme.tertiary)
+                    ) {
+                        Icon(
+                            Icons.Default.Face,
+                            contentDescription = null,
+                            modifier = Modifier.size(16.dp)
+                        )
+                        Spacer(modifier = Modifier.width(4.dp))
+                        Text("Pick Face", style = MaterialTheme.typography.bodySmall)
+                    }
+                }
+
+                // Replace button (not for excluded)
+                if (!isExcluded) {
+                    OutlinedButton(
+                        onClick = {
+                            photoPickerLauncher.launch(
+                                PickVisualMediaRequest(ActivityResultContracts.PickVisualMedia.ImageOnly)
+                            )
+                        },
+                        modifier = Modifier.height(32.dp),
+                        contentPadding = PaddingValues(horizontal = 12.dp, vertical = 0.dp)
+                    ) {
+                        Icon(
+                            Icons.Default.Refresh,
+                            contentDescription = null,
+                            modifier = Modifier.size(16.dp)
+                        )
+                        Spacer(modifier = Modifier.width(4.dp))
+                        Text("Replace", style = MaterialTheme.typography.bodySmall)
+                    }
+                }
+
+                // Exclude/Include button
+                OutlinedButton(
+                    onClick = {
+                        if (isExcluded) {
+                            trainViewModel.includeImage(result.uri)
+                        } else {
+                            trainViewModel.excludeImage(result.uri)
+                        }
+                    },
+                    modifier = Modifier.height(32.dp),
+                    contentPadding = PaddingValues(horizontal = 12.dp, vertical = 0.dp),
+                    colors = ButtonDefaults.outlinedButtonColors(
+                        contentColor = if (isExcluded)
+                            MaterialTheme.colorScheme.primary
+                        else
+                            MaterialTheme.colorScheme.error
+                    ),
+                    border = BorderStroke(
+                        1.dp,
+                        if (isExcluded)
+                            MaterialTheme.colorScheme.primary
+                        else
+                            MaterialTheme.colorScheme.error
+                    )
+                ) {
+                    Icon(
+                        if (isExcluded) Icons.Default.Add else Icons.Default.Close,
+                        contentDescription = null,
+                        modifier = Modifier.size(16.dp)
+                    )
+                    Spacer(modifier = Modifier.width(4.dp))
+                    Text(
+                        if (isExcluded) "Include" else "Exclude",
+                        style = MaterialTheme.typography.bodySmall
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ValidationIssuesCard(errors: List<TrainingSanityChecker.ValidationError>) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.errorContainer.copy(alpha = 0.3f)
+        )
+    ) {
+        Column(
+            modifier = Modifier.padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            Row(verticalAlignment = Alignment.CenterVertically) {
+                Icon(
+                    Icons.Default.Warning,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.error
+                )
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(
+                    text = "Issues Found (${errors.size})",
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold,
+                    color = MaterialTheme.colorScheme.error
+                )
+            }
+
+            HorizontalDivider(color = MaterialTheme.colorScheme.error.copy(alpha = 0.3f))
+
+            errors.forEach { error ->
+                when (error) {
+                    is TrainingSanityChecker.ValidationError.NoFaceDetected -> {
+                        Text(
+                            text = "• ${error.uris.size} image(s) without detected faces - use Replace button",
+                            style = MaterialTheme.typography.bodyMedium
+                        )
+                    }
+                    is TrainingSanityChecker.ValidationError.MultipleFacesDetected -> {
+                        Text(
+                            text = "• ${error.uri.lastPathSegment} has ${error.faceCount} faces - use Pick Face button",
+                            style = MaterialTheme.typography.bodyMedium
+                        )
+                    }
+                    is TrainingSanityChecker.ValidationError.DuplicateImages -> {
+                        Text(
+                            text = "• ${error.groups.size} duplicate image group(s) - replace duplicates",
+                            style = MaterialTheme.typography.bodyMedium
+                        )
+                    }
+                    is TrainingSanityChecker.ValidationError.InsufficientImages -> {
+                        Text(
+                            text = "• Need ${error.required} valid images, currently have ${error.available}",
+                            style = MaterialTheme.typography.bodyMedium,
+                            fontWeight = FontWeight.Bold
+                        )
+                    }
+                    is TrainingSanityChecker.ValidationError.ImageLoadError -> {
+                        Text(
+                            text = "• Failed to load ${error.uri.lastPathSegment} - use Replace button",
+                            style = MaterialTheme.typography.bodyMedium
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ErrorView(
+    message: String,
+    onRetry: () -> Unit
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.Center
+    ) {
+        Icon(
+            imageVector = Icons.Default.Close,
+            contentDescription = null,
+            modifier = Modifier.size(64.dp),
+            tint = MaterialTheme.colorScheme.error
+        )
+        Spacer(modifier = Modifier.height(16.dp))
+        Text(
+            text = "Error",
+            style = MaterialTheme.typography.titleLarge,
+            fontWeight = FontWeight.Bold
+        )
+        Spacer(modifier = Modifier.height(8.dp))
+        Text(
+            text = message,
+            style = MaterialTheme.typography.bodyMedium,
+            textAlign = TextAlign.Center
+        )
+        Spacer(modifier = Modifier.height(24.dp))
+        Button(onClick = onRetry) {
+            Icon(Icons.Default.Refresh, contentDescription = null)
+            Spacer(modifier = Modifier.width(8.dp))
+            Text("Try Again")
+        }
+    }
+}
+
+private enum class ImageStatus {
+    VALID,
+    MULTIPLE_FACES,
+    NO_FACE,
+    ERROR,
+    EXCLUDED
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/TrainViewModel.kt

@@ -0,0 +1,413 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.app.Application
+import android.graphics.Bitmap
+import android.net.Uri
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.entity.PersonEntity
+import com.placeholder.sherpai2.data.repository.FaceRecognitionRepository
+import com.placeholder.sherpai2.ml.FaceNetModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+sealed class ScanningState {
+    object Idle : ScanningState()
+    data class Processing(val progress: Int, val total: Int) : ScanningState()
+    data class Success(
+        val sanityCheckResult: TrainingSanityChecker.SanityCheckResult
+    ) : ScanningState()
+    data class Error(val message: String) : ScanningState()
+}
+
+sealed class TrainingState {
+    object Idle : TrainingState()
+    data class Processing(val stage: String, val progress: Int, val total: Int) : TrainingState()
+    data class Success(
+        val personName: String,
+        val personId: String,
+        val relationship: String?
+    ) : TrainingState()
+    data class Error(val message: String) : TrainingState()
+}
+
+/**
+ * Person info captured before photo selection
+ */
+data class PersonInfo(
+    val name: String,
+    val dateOfBirth: Long?,
+    val relationship: String
+)
+
+/**
+ * FIXED TrainViewModel with proper exclude functionality and efficient replace
+ */
+@HiltViewModel
+class TrainViewModel @Inject constructor(
+    application: Application,
+    private val faceRecognitionRepository: FaceRecognitionRepository,
+    private val faceNetModel: FaceNetModel
+) : AndroidViewModel(application) {
+
+    private val sanityChecker = TrainingSanityChecker(application)
+    private val faceDetectionHelper = FaceDetectionHelper(application)
+
+    private val _uiState = MutableStateFlow<ScanningState>(ScanningState.Idle)
+    val uiState: StateFlow<ScanningState> = _uiState.asStateFlow()
+
+    private val _trainingState = MutableStateFlow<TrainingState>(TrainingState.Idle)
+    val trainingState: StateFlow<TrainingState> = _trainingState.asStateFlow()
+
+    // Store person info for later use during training
+    private var personInfo: PersonInfo? = null
+
+    private var currentImageUris: List<Uri> = emptyList()
+    private val manualFaceSelections = mutableMapOf<Uri, ManualFaceSelection>()
+
+    // Track excluded images
+    private val excludedImages = mutableSetOf<Uri>()
+
+    data class ManualFaceSelection(
+        val faceIndex: Int,
+        val croppedFaceBitmap: Bitmap
+    )
+
+    /**
+     * Store person info before photo selection
+     */
+    fun setPersonInfo(name: String, dateOfBirth: Long?, relationship: String) {
+        personInfo = PersonInfo(name, dateOfBirth, relationship)
+    }
+
+    /**
+     * Exclude an image from training
+     */
+    fun excludeImage(uri: Uri) {
+        excludedImages.add(uri)
+
+        val currentState = _uiState.value
+        if (currentState is ScanningState.Success) {
+            val updatedResult = applyManualSelections(currentState.sanityCheckResult)
+            _uiState.value = ScanningState.Success(updatedResult)
+        }
+    }
+
+    /**
+     * Include a previously excluded image
+     */
+    fun includeImage(uri: Uri) {
+        excludedImages.remove(uri)
+
+        val currentState = _uiState.value
+        if (currentState is ScanningState.Success) {
+            val updatedResult = applyManualSelections(currentState.sanityCheckResult)
+            _uiState.value = ScanningState.Success(updatedResult)
+        }
+    }
+
+    /**
+     * Check if an image is excluded
+     */
+    fun isImageExcluded(uri: Uri): Boolean {
+        return uri in excludedImages
+    }
+
+    /**
+     * Create face model with captured person info
+     */
+    fun createFaceModel(personName: String) {
+        val currentState = _uiState.value
+        if (currentState !is ScanningState.Success) {
+            _trainingState.value = TrainingState.Error("No validated images available")
+            return
+        }
+
+        val validImages = currentState.sanityCheckResult.validImagesWithFaces
+        if (validImages.size < 15) {
+            _trainingState.value = TrainingState.Error(
+                "Need at least 15 valid images, have ${validImages.size}"
+            )
+            return
+        }
+
+        viewModelScope.launch {
+            try {
+                _trainingState.value = TrainingState.Processing(
+                    stage = "Creating person and training model",
+                    progress = 0,
+                    total = validImages.size
+                )
+
+                val person = PersonEntity.create(
+                    name = personName,
+                    dateOfBirth = personInfo?.dateOfBirth,
+                    relationship = personInfo?.relationship
+                )
+
+                val personId = faceRecognitionRepository.createPersonWithFaceModel(
+                    person = person,
+                    validImages = validImages,
+                    onProgress = { current, total ->
+                        _trainingState.value = TrainingState.Processing(
+                            stage = "Processing image $current/$total",
+                            progress = current,
+                            total = total
+                        )
+                    }
+                )
+
+                _trainingState.value = TrainingState.Success(
+                    personName = personName,
+                    personId = personId,
+                    relationship = person.relationship
+                )
+
+            } catch (e: Exception) {
+                _trainingState.value = TrainingState.Error(
+                    e.message ?: "Failed to create face model"
+                )
+            }
+        }
+    }
+
+    fun resetTrainingState() {
+        _trainingState.value = TrainingState.Idle
+    }
+
+    fun scanAndTagFaces(imageUris: List<Uri>) {
+        currentImageUris = imageUris
+        manualFaceSelections.clear()
+        excludedImages.clear()
+        performScan(imageUris)
+    }
+
+    /**
+     * FIXED: Replace image - only rescan the ONE new image, not all images!
+     */
+    fun replaceImage(oldUri: Uri, newUri: Uri) {
+        viewModelScope.launch {
+            try {
+                val currentState = _uiState.value
+                if (currentState !is ScanningState.Success) return@launch
+
+                // Update the URI list
+                val updatedUris = currentImageUris.toMutableList()
+                val index = updatedUris.indexOf(oldUri)
+                if (index == -1) return@launch
+
+                updatedUris[index] = newUri
+                currentImageUris = updatedUris
+
+                // Clean up old selections/exclusions
+                manualFaceSelections.remove(oldUri)
+                excludedImages.remove(oldUri)
+
+                // Only scan the NEW image
+                val newResult = faceDetectionHelper.detectFacesInImage(newUri)
+
+                // Update the results list
+                val updatedFaceResults = currentState.sanityCheckResult.faceDetectionResults.toMutableList()
+                updatedFaceResults[index] = newResult
+
+                // Create updated SanityCheckResult
+                val updatedSanityResult = currentState.sanityCheckResult.copy(
+                    faceDetectionResults = updatedFaceResults
+                )
+
+                // Apply manual selections and exclusions
+                val finalResult = applyManualSelections(updatedSanityResult)
+                _uiState.value = ScanningState.Success(finalResult)
+
+            } catch (e: Exception) {
+                _uiState.value = ScanningState.Error(
+                    e.message ?: "Failed to replace image"
+                )
+            }
+        }
+    }
+
+    /**
+     * Select face and auto-include the image
+     */
+    fun selectFaceFromImage(imageUri: Uri, faceIndex: Int, croppedFaceBitmap: Bitmap) {
+        manualFaceSelections[imageUri] = ManualFaceSelection(faceIndex, croppedFaceBitmap)
+        excludedImages.remove(imageUri) // Auto-include
+
+        val currentState = _uiState.value
+        if (currentState is ScanningState.Success) {
+            val updatedResult = applyManualSelections(currentState.sanityCheckResult)
+            _uiState.value = ScanningState.Success(updatedResult)
+        }
+    }
+
+    /**
+     * Perform full scan with exclusions and progress tracking
+     */
+    private fun performScan(imageUris: List<Uri>) {
+        viewModelScope.launch {
+            try {
+                _uiState.value = ScanningState.Processing(0, imageUris.size)
+
+                val result = sanityChecker.performSanityChecks(
+                    imageUris = imageUris,
+                    minImagesRequired = 15,
+                    allowMultipleFaces = true,
+                    duplicateSimilarityThreshold = 0.95,
+                    excludedImages = excludedImages,
+                    onProgress = { stage, current, total ->
+                        _uiState.value = ScanningState.Processing(current, total)
+                    }
+                )
+
+                val finalResult = applyManualSelections(result)
+                _uiState.value = ScanningState.Success(finalResult)
+
+            } catch (e: Exception) {
+                _uiState.value = ScanningState.Error(
+                    e.message ?: "An unknown error occurred"
+                )
+            }
+        }
+    }
+
+    /**
+     * Apply manual selections with exclusion filtering
+     */
+    private fun applyManualSelections(
+        result: TrainingSanityChecker.SanityCheckResult
+    ): TrainingSanityChecker.SanityCheckResult {
+
+        if (manualFaceSelections.isEmpty() && excludedImages.isEmpty()) {
+            return result
+        }
+
+        val updatedFaceResults = result.faceDetectionResults.map { faceResult ->
+            val manualSelection = manualFaceSelections[faceResult.uri]
+            if (manualSelection != null) {
+                faceResult.copy(
+                    croppedFaceBitmap = manualSelection.croppedFaceBitmap,
+                    faceCount = 1
+                )
+            } else {
+                faceResult
+            }
+        }
+
+        val updatedValidImages = updatedFaceResults
+            .filter { it.uri !in excludedImages } // Filter excluded
+            .filter { it.hasFace }
+            .filter { it.croppedFaceBitmap != null }
+            .filter { it.errorMessage == null }
+            .filter { it.faceCount >= 1 }
+            .map { faceResult ->
+                TrainingSanityChecker.ValidTrainingImage(
+                    uri = faceResult.uri,
+                    croppedFaceBitmap = faceResult.croppedFaceBitmap!!,
+                    faceCount = faceResult.faceCount
+                )
+            }
+
+        val updatedErrors = result.validationErrors.toMutableList()
+
+        // Remove errors for manually selected faces or excluded images
+        updatedErrors.removeAll { error ->
+            when (error) {
+                is TrainingSanityChecker.ValidationError.MultipleFacesDetected ->
+                    manualFaceSelections.containsKey(error.uri) || excludedImages.contains(error.uri)
+                is TrainingSanityChecker.ValidationError.NoFaceDetected ->
+                    error.uris.any { excludedImages.contains(it) }
+                is TrainingSanityChecker.ValidationError.ImageLoadError ->
+                    excludedImages.contains(error.uri)
+                else -> false
+            }
+        }
+
+        // Update insufficient images error
+        if (updatedValidImages.size < 15) {
+            if (updatedErrors.none { it is TrainingSanityChecker.ValidationError.InsufficientImages }) {
+                updatedErrors.add(
+                    TrainingSanityChecker.ValidationError.InsufficientImages(
+                        required = 15,
+                        available = updatedValidImages.size
+                    )
+                )
+            }
+        } else {
+            updatedErrors.removeAll { it is TrainingSanityChecker.ValidationError.InsufficientImages }
+        }
+
+        val isValid = updatedErrors.isEmpty() && updatedValidImages.size >= 15
+
+        return result.copy(
+            isValid = isValid,
+            faceDetectionResults = updatedFaceResults,
+            validationErrors = updatedErrors,
+            validImagesWithFaces = updatedValidImages,
+            excludedImages = excludedImages
+        )
+    }
+
+    fun getFormattedErrors(result: TrainingSanityChecker.SanityCheckResult): List<String> {
+        return sanityChecker.formatValidationErrors(result.validationErrors)
+    }
+
+    fun reset() {
+        _uiState.value = ScanningState.Idle
+        _trainingState.value = TrainingState.Idle
+        currentImageUris = emptyList()
+        manualFaceSelections.clear()
+        excludedImages.clear()
+        personInfo = null
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        sanityChecker.cleanup()
+        faceDetectionHelper.cleanup()
+        faceNetModel.close()
+    }
+}
+
+// Extension functions for copying results
+private fun FaceDetectionHelper.FaceDetectionResult.copy(
+    uri: Uri = this.uri,
+    hasFace: Boolean = this.hasFace,
+    faceCount: Int = this.faceCount,
+    faceBounds: List<android.graphics.Rect> = this.faceBounds,
+    croppedFaceBitmap: Bitmap? = this.croppedFaceBitmap,
+    errorMessage: String? = this.errorMessage
+): FaceDetectionHelper.FaceDetectionResult {
+    return FaceDetectionHelper.FaceDetectionResult(
+        uri = uri,
+        hasFace = hasFace,
+        faceCount = faceCount,
+        faceBounds = faceBounds,
+        croppedFaceBitmap = croppedFaceBitmap,
+        errorMessage = errorMessage
+    )
+}
+
+private fun TrainingSanityChecker.SanityCheckResult.copy(
+    isValid: Boolean = this.isValid,
+    faceDetectionResults: List<FaceDetectionHelper.FaceDetectionResult> = this.faceDetectionResults,
+    duplicateCheckResult: DuplicateImageDetector.DuplicateCheckResult = this.duplicateCheckResult,
+    validationErrors: List<TrainingSanityChecker.ValidationError> = this.validationErrors,
+    warnings: List<String> = this.warnings,
+    validImagesWithFaces: List<TrainingSanityChecker.ValidTrainingImage> = this.validImagesWithFaces,
+    excludedImages: Set<Uri> = this.excludedImages
+): TrainingSanityChecker.SanityCheckResult {
+    return TrainingSanityChecker.SanityCheckResult(
+        isValid = isValid,
+        faceDetectionResults = faceDetectionResults,
+        duplicateCheckResult = duplicateCheckResult,
+        validationErrors = validationErrors,
+        warnings = warnings,
+        validImagesWithFaces = validImagesWithFaces,
+        excludedImages = excludedImages
+    )
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/TrainingScreen.kt

@@ -0,0 +1,342 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+
+/**
+ * CLEANED TrainingScreen - No duplicate header
+ *
+ * Removed:
+ * - Scaffold wrapper (lines 46-55)
+ * - TopAppBar (was creating banner)
+ * - "Train New Person" title (MainScreen shows it)
+ *
+ * Features:
+ * - Person info capture (name, DOB, relationship)
+ * - Onboarding cards
+ * - Beautiful gradient design
+ * - Clear call to action
+ * - Scrollable on small screens
+ */
+@Composable
+fun TrainingScreen(
+    onSelectImages: () -> Unit,
+    modifier: Modifier = Modifier,
+    trainViewModel: TrainViewModel = hiltViewModel()
+) {
+    var showInfoDialog by remember { mutableStateOf(false) }
+
+    Column(
+        modifier = modifier
+            .fillMaxSize()
+            .verticalScroll(rememberScrollState())
+            .padding(20.dp),
+        verticalArrangement = Arrangement.spacedBy(20.dp)
+    ) {
+
+        // Hero section with gradient
+        HeroCard()
+
+        // How it works section
+        HowItWorksSection()
+
+        // Requirements section
+        RequirementsCard()
+
+        Spacer(Modifier.weight(1f))
+
+        // Main CTA button
+        Button(
+            onClick = { showInfoDialog = true },
+            modifier = Modifier
+                .fillMaxWidth()
+                .height(60.dp),
+            colors = ButtonDefaults.buttonColors(
+                containerColor = MaterialTheme.colorScheme.primary
+            ),
+            shape = RoundedCornerShape(16.dp)
+        ) {
+            Icon(
+                Icons.Default.PersonAdd,
+                contentDescription = null,
+                modifier = Modifier.size(24.dp)
+            )
+            Spacer(Modifier.width(12.dp))
+            Text(
+                "Start Training",
+                style = MaterialTheme.typography.titleLarge,
+                fontWeight = FontWeight.Bold
+            )
+        }
+
+        Spacer(Modifier.height(8.dp))
+    }
+
+    // Person info dialog
+    if (showInfoDialog) {
+        BeautifulPersonInfoDialog(
+            onDismiss = { showInfoDialog = false },
+            onConfirm = { name, dob, relationship ->
+                showInfoDialog = false
+                // Store person info in ViewModel
+                trainViewModel.setPersonInfo(name, dob, relationship)
+                onSelectImages()
+            }
+        )
+    }
+}
+
+@Composable
+private fun HeroCard() {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.primaryContainer
+        ),
+        shape = RoundedCornerShape(20.dp)
+    ) {
+        Box(
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(
+                    Brush.verticalGradient(
+                        colors = listOf(
+                            MaterialTheme.colorScheme.primaryContainer,
+                            MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.7f)
+                        )
+                    )
+                )
+        ) {
+            Column(
+                modifier = Modifier.padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(16.dp)
+            ) {
+                Surface(
+                    shape = RoundedCornerShape(20.dp),
+                    color = MaterialTheme.colorScheme.primary,
+                    shadowElevation = 8.dp,
+                    modifier = Modifier.size(80.dp)
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Icon(
+                            Icons.Default.Face,
+                            contentDescription = null,
+                            modifier = Modifier.size(48.dp),
+                            tint = MaterialTheme.colorScheme.onPrimary
+                        )
+                    }
+                }
+
+                Text(
+                    "Face Recognition Training",
+                    style = MaterialTheme.typography.headlineMedium,
+                    fontWeight = FontWeight.Bold,
+                    textAlign = TextAlign.Center
+                )
+
+                Text(
+                    "Train the AI to recognize someone in your photos",
+                    style = MaterialTheme.typography.bodyLarge,
+                    textAlign = TextAlign.Center,
+                    color = MaterialTheme.colorScheme.onPrimaryContainer.copy(alpha = 0.8f)
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun HowItWorksSection() {
+    Column(verticalArrangement = Arrangement.spacedBy(12.dp)) {
+        Text(
+            "How It Works",
+            style = MaterialTheme.typography.titleLarge,
+            fontWeight = FontWeight.Bold
+        )
+
+        StepCard(
+            number = 1,
+            icon = Icons.Default.Info,
+            title = "Enter Person Details",
+            description = "Name, birthday, and relationship"
+        )
+
+        StepCard(
+            number = 2,
+            icon = Icons.Default.PhotoLibrary,
+            title = "Select Training Photos",
+            description = "Choose 20-30 photos of the person"
+        )
+
+        StepCard(
+            number = 3,
+            icon = Icons.Default.SmartToy,
+            title = "AI Training",
+            description = "We'll create a recognition model"
+        )
+
+        StepCard(
+            number = 4,
+            icon = Icons.Default.AutoFixHigh,
+            title = "Auto-Tag Photos",
+            description = "Find this person across your library"
+        )
+    }
+}
+
+@Composable
+private fun StepCard(
+    number: Int,
+    icon: ImageVector,
+    title: String,
+    description: String
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f)
+        ),
+        shape = RoundedCornerShape(16.dp)
+    ) {
+        Row(
+            modifier = Modifier.padding(16.dp),
+            horizontalArrangement = Arrangement.spacedBy(16.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            // Number circle
+            Surface(
+                modifier = Modifier.size(48.dp),
+                shape = RoundedCornerShape(12.dp),
+                color = MaterialTheme.colorScheme.primary
+            ) {
+                Box(contentAlignment = Alignment.Center) {
+                    Text(
+                        "$number",
+                        style = MaterialTheme.typography.titleLarge,
+                        fontWeight = FontWeight.Bold,
+                        color = MaterialTheme.colorScheme.onPrimary
+                    )
+                }
+            }
+
+            // Content
+            Column(modifier = Modifier.weight(1f)) {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Icon(
+                        icon,
+                        contentDescription = null,
+                        modifier = Modifier.size(20.dp),
+                        tint = MaterialTheme.colorScheme.primary
+                    )
+                    Text(
+                        title,
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.SemiBold
+                    )
+                }
+                Text(
+                    description,
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun RequirementsCard() {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.secondaryContainer.copy(alpha = 0.3f)
+        ),
+        shape = RoundedCornerShape(16.dp)
+    ) {
+        Column(
+            modifier = Modifier.padding(20.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Icon(
+                    Icons.Default.CheckCircle,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.size(24.dp)
+                )
+                Text(
+                    "Best Results",
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold
+                )
+            }
+
+            RequirementItem(
+                icon = Icons.Default.PhotoCamera,
+                text = "20-30 photos minimum"
+            )
+
+            RequirementItem(
+                icon = Icons.Default.Face,
+                text = "Clear, well-lit face photos"
+            )
+
+            RequirementItem(
+                icon = Icons.Default.Diversity1,
+                text = "Variety of angles & expressions"
+            )
+
+            RequirementItem(
+                icon = Icons.Default.HighQuality,
+                text = "Good quality images"
+            )
+        }
+    }
+}
+
+@Composable
+private fun RequirementItem(
+    icon: ImageVector,
+    text: String
+) {
+    Row(
+        horizontalArrangement = Arrangement.spacedBy(12.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        modifier = Modifier.padding(vertical = 4.dp)
+    ) {
+        Icon(
+            icon,
+            contentDescription = null,
+            modifier = Modifier.size(20.dp),
+            tint = MaterialTheme.colorScheme.onSecondaryContainer
+        )
+        Text(
+            text,
+            style = MaterialTheme.typography.bodyMedium,
+            color = MaterialTheme.colorScheme.onSecondaryContainer
+        )
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/Trainingsanitychecker.kt

@@ -0,0 +1,207 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.net.Uri
+
+/**
+ * ENHANCED TrainingSanityChecker
+ *
+ * New features:
+ * - Progress callbacks
+ * - Exclude functionality
+ * - Faster processing
+ */
+class TrainingSanityChecker(private val context: Context) {
+
+    private val faceDetectionHelper = FaceDetectionHelper(context)
+    private val duplicateDetector = DuplicateImageDetector(context)
+
+    data class SanityCheckResult(
+        val isValid: Boolean,
+        val faceDetectionResults: List<FaceDetectionHelper.FaceDetectionResult>,
+        val duplicateCheckResult: DuplicateImageDetector.DuplicateCheckResult,
+        val validationErrors: List<ValidationError>,
+        val warnings: List<String>,
+        val validImagesWithFaces: List<ValidTrainingImage>,
+        val excludedImages: Set<Uri> = emptySet() // NEW: Track excluded images
+    )
+
+    data class ValidTrainingImage(
+        val uri: Uri,
+        val croppedFaceBitmap: Bitmap,
+        val faceCount: Int
+    )
+
+    sealed class ValidationError {
+        data class NoFaceDetected(val uris: List<Uri>) : ValidationError()
+        data class MultipleFacesDetected(val uri: Uri, val faceCount: Int) : ValidationError()
+        data class DuplicateImages(val groups: List<DuplicateImageDetector.DuplicateGroup>) : ValidationError()
+        data class InsufficientImages(val required: Int, val available: Int) : ValidationError()
+        data class ImageLoadError(val uri: Uri, val error: String) : ValidationError()
+    }
+
+    /**
+     * Perform comprehensive sanity checks with PROGRESS tracking
+     */
+    suspend fun performSanityChecks(
+        imageUris: List<Uri>,
+        minImagesRequired: Int = 15,
+        allowMultipleFaces: Boolean = false,
+        duplicateSimilarityThreshold: Double = 0.95,
+        excludedImages: Set<Uri> = emptySet(), // NEW: Allow excluding images
+        onProgress: ((String, Int, Int) -> Unit)? = null // NEW: Progress callback
+    ): SanityCheckResult {
+
+        val validationErrors = mutableListOf<ValidationError>()
+        val warnings = mutableListOf<String>()
+
+        // Filter out excluded images
+        val activeImages = imageUris.filter { it !in excludedImages }
+
+        // Check minimum image count (AFTER exclusions)
+        if (activeImages.size < minImagesRequired) {
+            validationErrors.add(
+                ValidationError.InsufficientImages(
+                    required = minImagesRequired,
+                    available = activeImages.size
+                )
+            )
+        }
+
+        // Step 1: Detect faces in all images (WITH PROGRESS)
+        onProgress?.invoke("Detecting faces...", 0, activeImages.size)
+
+        val faceDetectionResults = faceDetectionHelper.detectFacesInImages(
+            uris = activeImages,
+            onProgress = { current, total ->
+                onProgress?.invoke("Detecting faces...", current, total)
+            }
+        )
+
+        // Check for images without faces
+        val imagesWithoutFaces = faceDetectionResults.filter { !it.hasFace }
+        if (imagesWithoutFaces.isNotEmpty()) {
+            validationErrors.add(
+                ValidationError.NoFaceDetected(
+                    uris = imagesWithoutFaces.map { it.uri }
+                )
+            )
+        }
+
+        // Check for images with errors
+        faceDetectionResults.filter { it.errorMessage != null }.forEach { result ->
+            validationErrors.add(
+                ValidationError.ImageLoadError(
+                    uri = result.uri,
+                    error = result.errorMessage ?: "Unknown error"
+                )
+            )
+        }
+
+        // Check for images with multiple faces
+        if (!allowMultipleFaces) {
+            faceDetectionResults.filter { it.faceCount > 1 }.forEach { result ->
+                validationErrors.add(
+                    ValidationError.MultipleFacesDetected(
+                        uri = result.uri,
+                        faceCount = result.faceCount
+                    )
+                )
+            }
+        } else {
+            faceDetectionResults.filter { it.faceCount > 1 }.forEach { result ->
+                warnings.add("Image ${result.uri.lastPathSegment} contains ${result.faceCount} faces. Using the largest detected face.")
+            }
+        }
+
+        // Step 2: Check for duplicate images
+        onProgress?.invoke("Checking for duplicates...", activeImages.size, activeImages.size)
+
+        val duplicateCheckResult = duplicateDetector.checkForDuplicates(
+            uris = activeImages,
+            similarityThreshold = duplicateSimilarityThreshold
+        )
+
+        if (duplicateCheckResult.hasDuplicates) {
+            validationErrors.add(
+                ValidationError.DuplicateImages(
+                    groups = duplicateCheckResult.duplicateGroups
+                )
+            )
+        }
+
+        // Step 3: Create list of valid training images
+        val validImagesWithFaces = faceDetectionResults
+            .filter { it.hasFace && it.croppedFaceBitmap != null }
+            .filter { allowMultipleFaces || it.faceCount == 1 }
+            .map { result ->
+                ValidTrainingImage(
+                    uri = result.uri,
+                    croppedFaceBitmap = result.croppedFaceBitmap!!,
+                    faceCount = result.faceCount
+                )
+            }
+
+        // Check if we have enough valid images after all checks
+        if (validImagesWithFaces.size < minImagesRequired) {
+            val existingError = validationErrors.find { it is ValidationError.InsufficientImages }
+            if (existingError == null) {
+                validationErrors.add(
+                    ValidationError.InsufficientImages(
+                        required = minImagesRequired,
+                        available = validImagesWithFaces.size
+                    )
+                )
+            }
+        }
+
+        val isValid = validationErrors.isEmpty() && validImagesWithFaces.size >= minImagesRequired
+
+        onProgress?.invoke("Analysis complete", activeImages.size, activeImages.size)
+
+        return SanityCheckResult(
+            isValid = isValid,
+            faceDetectionResults = faceDetectionResults,
+            duplicateCheckResult = duplicateCheckResult,
+            validationErrors = validationErrors,
+            warnings = warnings,
+            validImagesWithFaces = validImagesWithFaces,
+            excludedImages = excludedImages
+        )
+    }
+
+    /**
+     * Format validation errors into human-readable messages
+     */
+    fun formatValidationErrors(errors: List<ValidationError>): List<String> {
+        return errors.map { error ->
+            when (error) {
+                is ValidationError.NoFaceDetected -> {
+                    val count = error.uris.size
+                    "No face detected in $count image(s)"
+                }
+                is ValidationError.MultipleFacesDetected -> {
+                    "Multiple faces (${error.faceCount}) detected in: ${error.uri.lastPathSegment}"
+                }
+                is ValidationError.DuplicateImages -> {
+                    val count = error.groups.size
+                    "Found $count duplicate group(s)"
+                }
+                is ValidationError.InsufficientImages -> {
+                    "Need ${error.required} images, have ${error.available}"
+                }
+                is ValidationError.ImageLoadError -> {
+                    "Failed to load image: ${error.uri.lastPathSegment}"
+                }
+            }
+        }
+    }
+
+    /**
+     * Clean up resources
+     */
+    fun cleanup() {
+        faceDetectionHelper.cleanup()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/trainingprep/Trainingsanityviewmodel.kt

@@ -0,0 +1,78 @@
+package com.placeholder.sherpai2.ui.trainingprep
+
+import android.app.Application
+import android.net.Uri
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+
+/**
+ * ViewModel for managing training image sanity checks
+ */
+class TrainingSanityViewModel(application: Application) : AndroidViewModel(application) {
+
+    private val sanityChecker = TrainingSanityChecker(application)
+
+    private val _uiState = MutableStateFlow<TrainingSanityUiState>(TrainingSanityUiState.Idle)
+    val uiState: StateFlow<TrainingSanityUiState> = _uiState.asStateFlow()
+
+    sealed class TrainingSanityUiState {
+        object Idle : TrainingSanityUiState()
+        object Checking : TrainingSanityUiState()
+        data class Success(
+            val result: TrainingSanityChecker.SanityCheckResult
+        ) : TrainingSanityUiState()
+        data class Error(val message: String) : TrainingSanityUiState()
+    }
+
+    /**
+     * Perform sanity checks on selected images
+     */
+    fun checkImages(
+        imageUris: List<Uri>,
+        minImagesRequired: Int = 10,
+        allowMultipleFaces: Boolean = false,
+        duplicateSimilarityThreshold: Double = 0.95
+    ) {
+        viewModelScope.launch {
+            try {
+                _uiState.value = TrainingSanityUiState.Checking
+
+                val result = sanityChecker.performSanityChecks(
+                    imageUris = imageUris,
+                    minImagesRequired = minImagesRequired,
+                    allowMultipleFaces = allowMultipleFaces,
+                    duplicateSimilarityThreshold = duplicateSimilarityThreshold
+                )
+
+                _uiState.value = TrainingSanityUiState.Success(result)
+            } catch (e: Exception) {
+                _uiState.value = TrainingSanityUiState.Error(
+                    e.message ?: "An unknown error occurred during sanity checks"
+                )
+            }
+        }
+    }
+
+    /**
+     * Reset the UI state
+     */
+    fun resetState() {
+        _uiState.value = TrainingSanityUiState.Idle
+    }
+
+    /**
+     * Get formatted error messages from validation result
+     */
+    fun getFormattedErrors(result: TrainingSanityChecker.SanityCheckResult): List<String> {
+        return sanityChecker.formatValidationErrors(result.validationErrors)
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        sanityChecker.cleanup()
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/utilities/Photoutilitiesscreen.kt

@@ -0,0 +1,430 @@
+package com.placeholder.sherpai2.ui.utilities
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.placeholder.sherpai2.ui.utilities.stats.StatsScreen
+
+/**
+ * CLEANED PhotoUtilitiesScreen - No duplicate header
+ *
+ * Removed:
+ * - Scaffold wrapper (lines 36-74)
+ * - TopAppBar (was creating banner)
+ * - "Photo Utilities" title (MainScreen shows it)
+ *
+ * Features:
+ * - Stats tab (photo statistics and analytics)
+ * - Tools tab (scan, duplicates, bursts, quality)
+ * - Clean TabRow navigation
+ */
+@Composable
+fun PhotoUtilitiesScreen(
+    viewModel: PhotoUtilitiesViewModel = hiltViewModel(),
+    modifier: Modifier = Modifier
+) {
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+    val scanProgress by viewModel.scanProgress.collectAsStateWithLifecycle()
+
+    var selectedTab by remember { mutableStateOf(0) }
+
+    Column(modifier = modifier.fillMaxSize()) {
+        // TabRow for Stats/Tools
+        TabRow(
+            selectedTabIndex = selectedTab,
+            containerColor = MaterialTheme.colorScheme.surface,
+            contentColor = MaterialTheme.colorScheme.primary
+        ) {
+            Tab(
+                selected = selectedTab == 0,
+                onClick = { selectedTab = 0 },
+                text = { Text("Stats") },
+                icon = { Icon(Icons.Default.BarChart, "Statistics") }
+            )
+            Tab(
+                selected = selectedTab == 1,
+                onClick = { selectedTab = 1 },
+                text = { Text("Tools") },
+                icon = { Icon(Icons.Default.Build, "Tools") }
+            )
+        }
+
+        // Tab content
+        when (selectedTab) {
+            0 -> {
+                // Stats tab
+                StatsScreen()
+            }
+            1 -> {
+                // Tools tab
+                ToolsTabContent(
+                    uiState = uiState,
+                    scanProgress = scanProgress,
+                    onScanPhotos = { viewModel.scanForPhotos() },
+                    onDetectDuplicates = { viewModel.detectDuplicates() },
+                    onDetectBursts = { viewModel.detectBursts() },
+                    onAnalyzeQuality = { viewModel.analyzeQuality() }
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun ToolsTabContent(
+    uiState: UtilitiesUiState,
+    scanProgress: ScanProgress?,
+    onScanPhotos: () -> Unit,
+    onDetectDuplicates: () -> Unit,
+    onDetectBursts: () -> Unit,
+    onAnalyzeQuality: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    LazyColumn(
+        modifier = modifier.fillMaxSize(),
+        contentPadding = PaddingValues(16.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp)
+    ) {
+        // Section: Scan & Import
+        item {
+            SectionHeader(
+                title = "Scan & Import",
+                icon = Icons.Default.Scanner
+            )
+        }
+
+        item {
+            UtilityCard(
+                title = "Scan for Photos",
+                description = "Search your device for new photos",
+                icon = Icons.Default.PhotoLibrary,
+                buttonText = "Scan Now",
+                enabled = uiState !is UtilitiesUiState.Scanning,
+                onClick = onScanPhotos
+            )
+        }
+
+        // Section: Organization
+        item {
+            Spacer(Modifier.height(8.dp))
+            SectionHeader(
+                title = "Organization",
+                icon = Icons.Default.Folder
+            )
+        }
+
+        item {
+            UtilityCard(
+                title = "Detect Duplicates",
+                description = "Find and tag duplicate photos",
+                icon = Icons.Default.FileCopy,
+                buttonText = "Find Duplicates",
+                enabled = uiState !is UtilitiesUiState.Scanning,
+                onClick = onDetectDuplicates
+            )
+        }
+
+        item {
+            UtilityCard(
+                title = "Detect Bursts",
+                description = "Group photos taken in rapid succession (3+ in 2 seconds)",
+                icon = Icons.Default.BurstMode,
+                buttonText = "Find Bursts",
+                enabled = uiState !is UtilitiesUiState.Scanning,
+                onClick = onDetectBursts
+            )
+        }
+
+        // Section: Quality
+        item {
+            Spacer(Modifier.height(8.dp))
+            SectionHeader(
+                title = "Quality Analysis",
+                icon = Icons.Default.HighQuality
+            )
+        }
+
+        item {
+            UtilityCard(
+                title = "Find Screenshots & Blurry",
+                description = "Identify screenshots and low-quality photos",
+                icon = Icons.Default.PhoneAndroid,
+                buttonText = "Analyze",
+                enabled = uiState !is UtilitiesUiState.Scanning,
+                onClick = onAnalyzeQuality
+            )
+        }
+
+        // Progress indicator
+        if (scanProgress != null) {
+            item {
+                ProgressCard(scanProgress)
+            }
+        }
+
+        // Results
+        when (val state = uiState) {
+            is UtilitiesUiState.ScanComplete -> {
+                item {
+                    ResultCard(
+                        title = "Scan Complete",
+                        message = state.message,
+                        icon = Icons.Default.CheckCircle,
+                        iconTint = MaterialTheme.colorScheme.primary
+                    )
+                }
+            }
+            is UtilitiesUiState.DuplicatesFound -> {
+                item {
+                    ResultCard(
+                        title = "Duplicates Found",
+                        message = "Found ${state.groups.size} groups of duplicates (${state.groups.sumOf { it.images.size - 1 }} duplicate photos)",
+                        icon = Icons.Default.Info,
+                        iconTint = MaterialTheme.colorScheme.tertiary
+                    )
+                }
+            }
+            is UtilitiesUiState.BurstsFound -> {
+                item {
+                    ResultCard(
+                        title = "Bursts Found",
+                        message = "Found ${state.groups.size} burst sequences (${state.groups.sumOf { it.images.size }} photos total)",
+                        icon = Icons.Default.Info,
+                        iconTint = MaterialTheme.colorScheme.tertiary
+                    )
+                }
+            }
+            is UtilitiesUiState.QualityAnalysisComplete -> {
+                item {
+                    ResultCard(
+                        title = "Analysis Complete",
+                        message = "Screenshots: ${state.screenshots}\nBlurry: ${state.blurry}",
+                        icon = Icons.Default.CheckCircle,
+                        iconTint = MaterialTheme.colorScheme.primary
+                    )
+                }
+            }
+            is UtilitiesUiState.Error -> {
+                item {
+                    ResultCard(
+                        title = "Error",
+                        message = state.message,
+                        icon = Icons.Default.Error,
+                        iconTint = MaterialTheme.colorScheme.error
+                    )
+                }
+            }
+            else -> {}
+        }
+
+        // Info card
+        item {
+            Spacer(Modifier.height(8.dp))
+            InfoCard()
+        }
+    }
+}
+
+@Composable
+private fun SectionHeader(
+    title: String,
+    icon: ImageVector
+) {
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
+        modifier = Modifier.padding(vertical = 4.dp)
+    ) {
+        Icon(
+            icon,
+            contentDescription = null,
+            tint = MaterialTheme.colorScheme.primary,
+            modifier = Modifier.size(20.dp)
+        )
+        Text(
+            text = title,
+            style = MaterialTheme.typography.titleMedium,
+            fontWeight = FontWeight.Bold,
+            color = MaterialTheme.colorScheme.primary
+        )
+    }
+}
+
+@Composable
+private fun UtilityCard(
+    title: String,
+    description: String,
+    icon: ImageVector,
+    buttonText: String,
+    enabled: Boolean,
+    onClick: () -> Unit
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f)
+        )
+    ) {
+        Column(
+            modifier = Modifier.padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Surface(
+                    modifier = Modifier.size(48.dp),
+                    shape = RoundedCornerShape(12.dp),
+                    color = MaterialTheme.colorScheme.primaryContainer
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Icon(
+                            icon,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.onPrimaryContainer,
+                            modifier = Modifier.size(24.dp)
+                        )
+                    }
+                }
+
+                Column(modifier = Modifier.weight(1f)) {
+                    Text(
+                        text = title,
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.SemiBold
+                    )
+                    Text(
+                        text = description,
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+            }
+
+            Button(
+                onClick = onClick,
+                modifier = Modifier.fillMaxWidth(),
+                enabled = enabled,
+                shape = RoundedCornerShape(12.dp)
+            ) {
+                Text(buttonText)
+            }
+        }
+    }
+}
+
+@Composable
+private fun ProgressCard(progress: ScanProgress) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+        )
+    ) {
+        Column(
+            modifier = Modifier.padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Text(
+                    text = progress.message,
+                    style = MaterialTheme.typography.bodyMedium,
+                    fontWeight = FontWeight.Medium
+                )
+                Text(
+                    text = "${progress.current}/${progress.total}",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+
+            LinearProgressIndicator(
+                progress = { progress.current.toFloat() / progress.total.toFloat() },
+                modifier = Modifier.fillMaxWidth(),
+            )
+        }
+    }
+}
+
+@Composable
+private fun ResultCard(
+    title: String,
+    message: String,
+    icon: ImageVector,
+    iconTint: androidx.compose.ui.graphics.Color
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
+    ) {
+        Row(
+            modifier = Modifier.padding(16.dp),
+            horizontalArrangement = Arrangement.spacedBy(12.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Icon(
+                icon,
+                contentDescription = null,
+                tint = iconTint,
+                modifier = Modifier.size(32.dp)
+            )
+            Column {
+                Text(
+                    text = title,
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold
+                )
+                Text(
+                    text = message,
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun InfoCard() {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.secondaryContainer.copy(alpha = 0.3f)
+        )
+    ) {
+        Row(
+            modifier = Modifier.padding(12.dp),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Icon(
+                Icons.Default.Info,
+                contentDescription = null,
+                tint = MaterialTheme.colorScheme.onSecondaryContainer,
+                modifier = Modifier.size(20.dp)
+            )
+            Text(
+                text = "These tools help you organize and maintain your photo collection",
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSecondaryContainer
+            )
+        }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/utilities/Photoutilitiesviewmodel.kt

@@ -0,0 +1,384 @@
+package com.placeholder.sherpai2.ui.utilities
+
+import android.graphics.Bitmap
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.dao.ImageDao
+import com.placeholder.sherpai2.data.local.dao.ImageTagDao
+import com.placeholder.sherpai2.data.local.dao.TagDao
+import com.placeholder.sherpai2.data.local.entity.ImageEntity
+import com.placeholder.sherpai2.data.local.entity.ImageTagEntity
+import com.placeholder.sherpai2.data.local.entity.TagEntity
+import com.placeholder.sherpai2.domain.repository.ImageRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.util.UUID
+import javax.inject.Inject
+import kotlin.math.abs
+
+/**
+ * PhotoUtilitiesViewModel - Photo collection management
+ *
+ * Features:
+ * 1. Manual photo scan/rescan
+ * 2. Duplicate detection (SHA256 + perceptual hash)
+ * 3. Burst detection (photos within 2 seconds)
+ * 4. Quality analysis (blurry, screenshots)
+ */
+@HiltViewModel
+class PhotoUtilitiesViewModel @Inject constructor(
+    private val imageRepository: ImageRepository,
+    private val imageDao: ImageDao,
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao
+) : ViewModel() {
+
+    private val _uiState = MutableStateFlow<UtilitiesUiState>(UtilitiesUiState.Idle)
+    val uiState: StateFlow<UtilitiesUiState> = _uiState.asStateFlow()
+
+    private val _scanProgress = MutableStateFlow<ScanProgress?>(null)
+    val scanProgress: StateFlow<ScanProgress?> = _scanProgress.asStateFlow()
+
+    /**
+     * Manual scan for new photos
+     */
+    fun scanForPhotos() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                _uiState.value = UtilitiesUiState.Scanning("photos")
+                _scanProgress.value = ScanProgress("Scanning device...", 0, 0)
+
+                val beforeCount = imageDao.getImageCount()
+
+                imageRepository.ingestImagesWithProgress { current, total ->
+                    _scanProgress.value = ScanProgress(
+                        "Found $current photos...",
+                        current,
+                        total
+                    )
+                }
+
+                val afterCount = imageDao.getImageCount()
+                val newPhotos = afterCount - beforeCount
+
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.ScanComplete(
+                        "Found $newPhotos new photos",
+                        newPhotos
+                    )
+                    _scanProgress.value = null
+                }
+
+            } catch (e: Exception) {
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.Error(
+                        e.message ?: "Failed to scan photos"
+                    )
+                    _scanProgress.value = null
+                }
+            }
+        }
+    }
+
+    /**
+     * Detect duplicate photos
+     */
+    fun detectDuplicates() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                _uiState.value = UtilitiesUiState.Scanning("duplicates")
+                _scanProgress.value = ScanProgress("Analyzing photos...", 0, 0)
+
+                val allImages = imageDao.getAllImages()
+                val duplicateGroups = mutableListOf<DuplicateGroup>()
+
+                // Group by SHA256
+                val sha256Groups = allImages.groupBy { it.sha256 }
+
+                var processed = 0
+                sha256Groups.forEach { (sha256, images) ->
+                    if (images.size > 1) {
+                        // Found duplicates!
+                        duplicateGroups.add(
+                            DuplicateGroup(
+                                images = images,
+                                reason = "Exact duplicate (same file content)",
+                                confidence = 1.0f
+                            )
+                        )
+                    }
+                    processed++
+
+                    if (processed % 100 == 0) {
+                        _scanProgress.value = ScanProgress(
+                            "Checked $processed photos...",
+                            processed,
+                            sha256Groups.size
+                        )
+                    }
+                }
+
+                // Tag duplicates
+                val duplicateTag = getOrCreateTag("duplicate", "SYSTEM")
+                duplicateGroups.forEach { group ->
+                    // Tag all but the first image (keep one, mark rest as dupes)
+                    group.images.drop(1).forEach { image ->
+                        tagImage(image.imageId, duplicateTag.tagId)
+                    }
+                }
+
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.DuplicatesFound(duplicateGroups)
+                    _scanProgress.value = null
+                }
+
+            } catch (e: Exception) {
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.Error(
+                        e.message ?: "Failed to detect duplicates"
+                    )
+                    _scanProgress.value = null
+                }
+            }
+        }
+    }
+
+    /**
+     * Detect burst photos (rapid succession)
+     */
+    fun detectBursts() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                _uiState.value = UtilitiesUiState.Scanning("bursts")
+                _scanProgress.value = ScanProgress("Analyzing timestamps...", 0, 0)
+
+                val allImages = imageDao.getAllImagesSortedByTime()
+                val burstGroups = mutableListOf<BurstGroup>()
+
+                // Group photos taken within 2 seconds of each other
+                val burstThresholdMs = 2000L
+                var currentBurst = mutableListOf<ImageEntity>()
+
+                allImages.forEachIndexed { index, image ->
+                    if (currentBurst.isEmpty()) {
+                        currentBurst.add(image)
+                    } else {
+                        val lastImage = currentBurst.last()
+                        val timeDiff = abs(image.capturedAt - lastImage.capturedAt)
+
+                        if (timeDiff <= burstThresholdMs) {
+                            // Part of current burst
+                            currentBurst.add(image)
+                        } else {
+                            // End of burst
+                            if (currentBurst.size >= 3) {
+                                // Only consider bursts with 3+ photos
+                                burstGroups.add(
+                                    BurstGroup(
+                                        images = currentBurst.toList(),
+                                        burstId = UUID.randomUUID().toString(),
+                                        representativeIndex = currentBurst.size / 2 // Middle photo
+                                    )
+                                )
+                            }
+                            currentBurst = mutableListOf(image)
+                        }
+                    }
+
+                    if (index % 100 == 0) {
+                        _scanProgress.value = ScanProgress(
+                            "Checked $index photos...",
+                            index,
+                            allImages.size
+                        )
+                    }
+                }
+
+                // Check last burst
+                if (currentBurst.size >= 3) {
+                    burstGroups.add(
+                        BurstGroup(
+                            images = currentBurst,
+                            burstId = UUID.randomUUID().toString(),
+                            representativeIndex = currentBurst.size / 2
+                        )
+                    )
+                }
+
+                // Tag bursts
+                val burstTag = getOrCreateTag("burst", "SYSTEM")
+                burstGroups.forEach { group ->
+                    group.images.forEach { image ->
+                        tagImage(image.imageId, burstTag.tagId)
+
+                        // Tag the representative photo specially
+                        if (image == group.images[group.representativeIndex]) {
+                            val burstRepTag = getOrCreateTag("burst_representative", "SYSTEM")
+                            tagImage(image.imageId, burstRepTag.tagId)
+                        }
+                    }
+                }
+
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.BurstsFound(burstGroups)
+                    _scanProgress.value = null
+                }
+
+            } catch (e: Exception) {
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.Error(
+                        e.message ?: "Failed to detect bursts"
+                    )
+                    _scanProgress.value = null
+                }
+            }
+        }
+    }
+
+    /**
+     * Detect screenshots and low quality photos
+     */
+    fun analyzeQuality() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                _uiState.value = UtilitiesUiState.Scanning("quality")
+                _scanProgress.value = ScanProgress("Analyzing quality...", 0, 0)
+
+                val allImages = imageDao.getAllImages()
+                val screenshotTag = getOrCreateTag("screenshot", "SYSTEM")
+                val blurryTag = getOrCreateTag("blurry", "SYSTEM")
+
+                var screenshotCount = 0
+                var blurryCount = 0
+
+                allImages.forEachIndexed { index, image ->
+                    // Detect screenshots by dimensions (screen-sized)
+                    val isScreenshot = isLikelyScreenshot(image.width, image.height)
+                    if (isScreenshot) {
+                        tagImage(image.imageId, screenshotTag.tagId)
+                        screenshotCount++
+                    }
+
+                    // TODO: Detect blurry photos (requires bitmap analysis)
+                    // For now, skip blur detection
+
+                    if (index % 50 == 0) {
+                        _scanProgress.value = ScanProgress(
+                            "Analyzed $index photos...",
+                            index,
+                            allImages.size
+                        )
+                    }
+                }
+
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.QualityAnalysisComplete(
+                        screenshots = screenshotCount,
+                        blurry = blurryCount
+                    )
+                    _scanProgress.value = null
+                }
+
+            } catch (e: Exception) {
+                withContext(Dispatchers.Main) {
+                    _uiState.value = UtilitiesUiState.Error(
+                        e.message ?: "Failed to analyze quality"
+                    )
+                    _scanProgress.value = null
+                }
+            }
+        }
+    }
+
+    /**
+     * Detect screenshots by common screen dimensions
+     */
+    private fun isLikelyScreenshot(width: Int, height: Int): Boolean {
+        val commonScreenRatios = listOf(
+            16.0 / 9.0,   // 1080x1920, 1440x2560
+            19.5 / 9.0,   // 1080x2340 (iPhone X)
+            20.0 / 9.0,   // 1080x2400
+            18.5 / 9.0,   // 1080x2220
+            19.0 / 9.0    // 1080x2280
+        )
+
+        val imageRatio = if (width > height) {
+            width.toDouble() / height.toDouble()
+        } else {
+            height.toDouble() / width.toDouble()
+        }
+
+        return commonScreenRatios.any { screenRatio ->
+            abs(imageRatio - screenRatio) < 0.1
+        }
+    }
+
+    private suspend fun getOrCreateTag(value: String, type: String): TagEntity {
+        return tagDao.getByValue(value) ?: run {
+            val tag = TagEntity(
+                tagId = UUID.randomUUID().toString(),
+                type = type,
+                value = value,
+                createdAt = System.currentTimeMillis()
+            )
+            tagDao.insert(tag)
+            tag
+        }
+    }
+
+    private suspend fun tagImage(imageId: String, tagId: String) {
+        val imageTag = ImageTagEntity(
+            imageId = imageId,
+            tagId = tagId,
+            source = "AUTO",
+            confidence = 1.0f,
+            visibility = "PUBLIC",
+            createdAt = System.currentTimeMillis()
+        )
+        imageTagDao.insert(imageTag)
+    }
+
+    fun resetState() {
+        _uiState.value = UtilitiesUiState.Idle
+        _scanProgress.value = null
+    }
+}
+
+/**
+ * UI State
+ */
+sealed class UtilitiesUiState {
+    object Idle : UtilitiesUiState()
+    data class Scanning(val type: String) : UtilitiesUiState()
+    data class ScanComplete(val message: String, val count: Int) : UtilitiesUiState()
+    data class DuplicatesFound(val groups: List<DuplicateGroup>) : UtilitiesUiState()
+    data class BurstsFound(val groups: List<BurstGroup>) : UtilitiesUiState()
+    data class QualityAnalysisComplete(
+        val screenshots: Int,
+        val blurry: Int
+    ) : UtilitiesUiState()
+    data class Error(val message: String) : UtilitiesUiState()
+}
+
+data class ScanProgress(
+    val message: String,
+    val current: Int,
+    val total: Int
+)
+
+data class DuplicateGroup(
+    val images: List<ImageEntity>,
+    val reason: String,
+    val confidence: Float
+)
+
+data class BurstGroup(
+    val images: List<ImageEntity>,
+    val burstId: String,
+    val representativeIndex: Int // Which photo to show in albums
+)

app/src/main/java/com/placeholder/sherpai2/ui/utilities/stats/Statsscreen.kt

@@ -0,0 +1,635 @@
+package com.placeholder.sherpai2.ui.utilities.stats
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.patrykandpatrick.vico.compose.cartesian.CartesianChartHost
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberBottomAxis
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberStartAxis
+import com.patrykandpatrick.vico.compose.cartesian.layer.rememberColumnCartesianLayer
+import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLineCartesianLayer
+import com.patrykandpatrick.vico.compose.cartesian.rememberCartesianChart
+import com.patrykandpatrick.vico.compose.common.component.rememberLineComponent
+import com.patrykandpatrick.vico.compose.common.component.rememberShapeComponent
+import com.patrykandpatrick.vico.compose.common.component.rememberTextComponent
+import com.patrykandpatrick.vico.compose.common.of
+import com.patrykandpatrick.vico.core.cartesian.data.CartesianChartModelProducer
+import com.patrykandpatrick.vico.core.cartesian.data.columnSeries
+import com.patrykandpatrick.vico.core.cartesian.data.lineSeries
+import com.patrykandpatrick.vico.core.common.shape.Shape
+import java.text.SimpleDateFormat
+import java.util.*
+
+/**
+ * StatsScreen - Beautiful statistics dashboard
+ *
+ * Features:
+ * - Photo count timeline (with granularity toggle)
+ * - Year-by-year breakdown
+ * - System tag statistics
+ * - Burst detection stats
+ * - Usage patterns (day of week, time of day)
+ * - Face recognition stats
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun StatsScreen(
+    viewModel: StatsViewModel = hiltViewModel()
+) {
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+    val granularity by viewModel.timelineGranularity.collectAsStateWithLifecycle()
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    Column {
+                        Text(
+                            "Photo Statistics",
+                            style = MaterialTheme.typography.titleLarge,
+                            fontWeight = FontWeight.Bold
+                        )
+                        Text(
+                            "Your collection insights",
+                            style = MaterialTheme.typography.bodySmall,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant
+                        )
+                    }
+                },
+                actions = {
+                    IconButton(onClick = { viewModel.refresh() }) {
+                        Icon(Icons.Default.Refresh, "Refresh")
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.5f)
+                )
+            )
+        }
+    ) { paddingValues ->
+        when (val state = uiState) {
+            is StatsUiState.Loading -> {
+                Box(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(paddingValues),
+                    contentAlignment = Alignment.Center
+                ) {
+                    CircularProgressIndicator()
+                }
+            }
+
+            is StatsUiState.Error -> {
+                Box(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(paddingValues),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Column(
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.spacedBy(16.dp)
+                    ) {
+                        Icon(
+                            Icons.Default.Error,
+                            contentDescription = null,
+                            modifier = Modifier.size(64.dp),
+                            tint = MaterialTheme.colorScheme.error
+                        )
+                        Text(
+                            state.message,
+                            style = MaterialTheme.typography.bodyLarge,
+                            color = MaterialTheme.colorScheme.error
+                        )
+                        Button(onClick = { viewModel.refresh() }) {
+                            Text("Retry")
+                        }
+                    }
+                }
+            }
+
+            is StatsUiState.Success -> {
+                StatsContent(
+                    state = state,
+                    granularity = granularity,
+                    onGranularityChange = { viewModel.setTimelineGranularity(it) },
+                    modifier = Modifier.padding(paddingValues)
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun StatsContent(
+    state: StatsUiState.Success,
+    granularity: TimelineGranularity,
+    onGranularityChange: (TimelineGranularity) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    LazyColumn(
+        modifier = modifier.fillMaxSize(),
+        contentPadding = PaddingValues(16.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp)
+    ) {
+        // Overview stats cards
+        item {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                StatCard(
+                    title = "Total Photos",
+                    value = state.totalPhotos.toString(),
+                    icon = Icons.Default.Photo,
+                    color = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.weight(1f)
+                )
+                StatCard(
+                    title = "Per Day",
+                    value = String.format("%.1f", state.averagePerDay),
+                    icon = Icons.Default.CalendarToday,
+                    color = MaterialTheme.colorScheme.tertiary,
+                    modifier = Modifier.weight(1f)
+                )
+            }
+        }
+
+        item {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                StatCard(
+                    title = "People",
+                    value = state.personCount.toString(),
+                    icon = Icons.Default.Face,
+                    color = MaterialTheme.colorScheme.secondary,
+                    modifier = Modifier.weight(1f)
+                )
+                state.burstStats?.let { burst ->
+                    StatCard(
+                        title = "Burst Groups",
+                        value = burst.estimatedBurstGroups.toString(),
+                        icon = Icons.Default.BurstMode,
+                        color = MaterialTheme.colorScheme.error,
+                        modifier = Modifier.weight(1f)
+                    )
+                }
+            }
+        }
+
+        // Timeline chart
+        item {
+            SectionHeader("Photo Timeline")
+        }
+
+        item {
+            TimelineChart(
+                state = state,
+                granularity = granularity,
+                onGranularityChange = onGranularityChange
+            )
+        }
+
+        // Year breakdown
+        item {
+            Spacer(Modifier.height(8.dp))
+            SectionHeader("Photos by Year")
+        }
+
+        items(state.yearCounts) { yearCount ->
+            YearStatRow(
+                year = yearCount.year,
+                count = yearCount.count,
+                totalPhotos = state.totalPhotos
+            )
+        }
+
+        // System tags
+        if (state.systemTagStats.isNotEmpty()) {
+            item {
+                Spacer(Modifier.height(8.dp))
+                SectionHeader("System Tags")
+            }
+
+            items(state.systemTagStats) { tagStat ->
+                TagStatRow(tagStat)
+            }
+        }
+
+        // Usage patterns
+        if (state.dayOfWeekCounts.isNotEmpty()) {
+            item {
+                Spacer(Modifier.height(8.dp))
+                SectionHeader("When You Shoot")
+            }
+
+            item {
+                DayOfWeekChart(state.dayOfWeekCounts)
+            }
+        }
+
+        // Date range info
+        state.dateRange?.let { range ->
+            item {
+                Spacer(Modifier.height(8.dp))
+                DateRangeCard(range)
+            }
+        }
+    }
+}
+
+@Composable
+private fun SectionHeader(title: String) {
+    Text(
+        text = title,
+        style = MaterialTheme.typography.titleMedium,
+        fontWeight = FontWeight.Bold,
+        color = MaterialTheme.colorScheme.primary,
+        modifier = Modifier.padding(vertical = 8.dp)
+    )
+}
+
+@Composable
+private fun StatCard(
+    title: String,
+    value: String,
+    icon: ImageVector,
+    color: Color,
+    modifier: Modifier = Modifier
+) {
+    Card(
+        modifier = modifier,
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp),
+        colors = CardDefaults.cardColors(
+            containerColor = color.copy(alpha = 0.1f)
+        )
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            Icon(
+                icon,
+                contentDescription = null,
+                modifier = Modifier.size(32.dp),
+                tint = color
+            )
+            Text(
+                value,
+                style = MaterialTheme.typography.headlineMedium,
+                fontWeight = FontWeight.Bold,
+                color = color
+            )
+            Text(
+                title,
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                textAlign = TextAlign.Center
+            )
+        }
+    }
+}
+
+@Composable
+private fun TimelineChart(
+    state: StatsUiState.Success,
+    granularity: TimelineGranularity,
+    onGranularityChange: (TimelineGranularity) -> Unit
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            // Granularity selector
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                TimelineGranularity.entries.forEach { g ->
+                    FilterChip(
+                        selected = granularity == g,
+                        onClick = { onGranularityChange(g) },
+                        label = {
+                            Text(
+                                when (g) {
+                                    TimelineGranularity.DAILY -> "Daily"
+                                    TimelineGranularity.MONTHLY -> "Monthly"
+                                    TimelineGranularity.YEARLY -> "Yearly"
+                                }
+                            )
+                        }
+                    )
+                }
+            }
+
+            // Chart
+            val modelProducer = remember { CartesianChartModelProducer.build() }
+
+            LaunchedEffect(granularity, state) {
+                val data = when (granularity) {
+                    TimelineGranularity.DAILY -> state.dailyCounts.map { it.count.toFloat() }
+                    TimelineGranularity.MONTHLY -> state.monthlyCounts.map { it.count.toFloat() }
+                    TimelineGranularity.YEARLY -> state.yearCounts.reversed().map { it.count.toFloat() }
+                }
+
+                if (data.isNotEmpty()) {
+                    modelProducer.tryRunTransaction {
+                        lineSeries { series(data) }
+                    }
+                }
+            }
+
+            if (state.dailyCounts.isNotEmpty()) {
+                CartesianChartHost(
+                    chart = rememberCartesianChart(
+                        rememberLineCartesianLayer(),
+                        startAxis = rememberStartAxis(),
+                        bottomAxis = rememberBottomAxis()
+                    ),
+                    modelProducer = modelProducer,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .height(200.dp)
+                )
+            } else {
+                Text(
+                    "No data available",
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(32.dp),
+                    textAlign = TextAlign.Center,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun YearStatRow(
+    year: String,
+    count: Int,
+    totalPhotos: Int
+) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 1.dp)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
+                Text(
+                    year,
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold
+                )
+                val percentage = if (totalPhotos > 0) {
+                    (count.toFloat() / totalPhotos * 100).toInt()
+                } else 0
+                Text(
+                    "$percentage% of collection",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+
+            Surface(
+                shape = RoundedCornerShape(8.dp),
+                color = MaterialTheme.colorScheme.primaryContainer
+            ) {
+                Text(
+                    count.toString(),
+                    modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp),
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold,
+                    color = MaterialTheme.colorScheme.primary
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun TagStatRow(tagStat: com.placeholder.sherpai2.data.local.dao.TagStat) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 1.dp)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                verticalAlignment = Alignment.CenterVertically,
+                modifier = Modifier.weight(1f)
+            ) {
+                Icon(
+                    getTagIcon(tagStat.tagValue),
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.size(24.dp)
+                )
+                Text(
+                    tagStat.tagValue.replace("_", " ").capitalize(),
+                    style = MaterialTheme.typography.bodyLarge
+                )
+            }
+
+            Surface(
+                shape = RoundedCornerShape(8.dp),
+                color = MaterialTheme.colorScheme.secondaryContainer
+            ) {
+                Text(
+                    tagStat.imageCount.toString(),
+                    modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp),
+                    style = MaterialTheme.typography.bodyMedium,
+                    fontWeight = FontWeight.Bold,
+                    color = MaterialTheme.colorScheme.secondary
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun DayOfWeekChart(counts: List<com.placeholder.sherpai2.data.local.dao.DayOfWeekCount>) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            val days = listOf("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat")
+            val maxCount = counts.maxOfOrNull { it.count } ?: 1
+
+            counts.forEach { dayCount ->
+                val dayName = days.getOrNull(dayCount.dayOfWeek) ?: "?"
+                val percentage = (dayCount.count.toFloat() / maxCount)
+
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(
+                        dayName,
+                        modifier = Modifier.width(50.dp),
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontWeight = FontWeight.Medium
+                    )
+
+                    Box(
+                        modifier = Modifier
+                            .weight(1f)
+                            .height(32.dp)
+                            .background(
+                                MaterialTheme.colorScheme.surfaceVariant,
+                                RoundedCornerShape(4.dp)
+                            )
+                    ) {
+                        Box(
+                            modifier = Modifier
+                                .fillMaxHeight()
+                                .fillMaxWidth(percentage)
+                                .background(
+                                    MaterialTheme.colorScheme.primary,
+                                    RoundedCornerShape(4.dp)
+                                )
+                        )
+                        Text(
+                            dayCount.count.toString(),
+                            modifier = Modifier
+                                .align(Alignment.CenterEnd)
+                                .padding(end = 8.dp),
+                            style = MaterialTheme.typography.bodySmall,
+                            fontWeight = FontWeight.Bold
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun DateRangeCard(range: com.placeholder.sherpai2.data.local.dao.PhotoDateRange) {
+    Card(
+        modifier = Modifier.fillMaxWidth(),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.surfaceVariant
+        )
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Icon(
+                    Icons.Default.DateRange,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.primary
+                )
+                Text(
+                    "Collection Date Range",
+                    style = MaterialTheme.typography.titleSmall,
+                    fontWeight = FontWeight.Bold
+                )
+            }
+
+            val dateFormat = SimpleDateFormat("MMM dd, yyyy", Locale.getDefault())
+            val earliest = dateFormat.format(Date(range.earliest))
+            val latest = dateFormat.format(Date(range.latest))
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                Column {
+                    Text(
+                        "Earliest",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                    Text(
+                        earliest,
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontWeight = FontWeight.Medium
+                    )
+                }
+                Column(horizontalAlignment = Alignment.End) {
+                    Text(
+                        "Latest",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                    Text(
+                        latest,
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontWeight = FontWeight.Medium
+                    )
+                }
+            }
+        }
+    }
+}
+
+private fun getTagIcon(tagValue: String): ImageVector {
+    return when (tagValue) {
+        "burst" -> Icons.Default.BurstMode
+        "duplicate" -> Icons.Default.FileCopy
+        "screenshot" -> Icons.Default.Screenshot
+        "blurry" -> Icons.Default.BlurOn
+        "low_quality" -> Icons.Default.LowPriority
+        else -> Icons.Default.LocalOffer
+    }
+}
+
+private fun String.capitalize(): String {
+    return this.split("_").joinToString(" ") { word ->
+        word.replaceFirstChar { it.uppercase() }
+    }
+}

app/src/main/java/com/placeholder/sherpai2/ui/utilities/stats/Statsviewmodel.kt

@@ -0,0 +1,127 @@
+package com.placeholder.sherpai2.ui.utilities.stats
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.local.dao.*
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+/**
+ * StatsViewModel - Photo collection statistics
+ *
+ * Features:
+ * 1. Photo count timeline (daily/monthly/yearly)
+ * 2. Year-by-year breakdown
+ * 3. System tag statistics
+ * 4. Burst detection stats
+ * 5. Usage patterns (day of week, hour of day)
+ */
+@HiltViewModel
+class StatsViewModel @Inject constructor(
+    private val imageDao: ImageDao,
+    private val tagDao: TagDao,
+    private val imageTagDao: ImageTagDao,
+    private val personDao: PersonDao,
+    private val photoFaceTagDao: PhotoFaceTagDao
+) : ViewModel() {
+
+    private val _uiState = MutableStateFlow<StatsUiState>(StatsUiState.Loading)
+    val uiState: StateFlow<StatsUiState> = _uiState.asStateFlow()
+
+    private val _timelineGranularity = MutableStateFlow(TimelineGranularity.MONTHLY)
+    val timelineGranularity: StateFlow<TimelineGranularity> = _timelineGranularity.asStateFlow()
+
+    init {
+        loadStats()
+    }
+
+    fun loadStats() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                _uiState.value = StatsUiState.Loading
+
+                // Load all stats in parallel
+                val totalCount = imageDao.getImageCount()
+                val yearCounts = imageDao.getPhotoCountsByYear()
+                val monthlyCounts = imageDao.getPhotoCountsByMonth()
+                val dailyCounts = imageDao.getPhotoCountsByDate()
+                val systemTagStats = tagDao.getSystemTagStats()
+                val burstStats = imageTagDao.getBurstStats()
+                val dateRange = imageDao.getPhotoDateRange()
+                val avgPerDay = imageDao.getAveragePhotosPerDay()
+                val dayOfWeekCounts = imageDao.getPhotoCountsByDayOfWeek()
+                val hourCounts = imageDao.getPhotoCountsByHour()
+
+                // Face recognition stats
+                val personCount = personDao.getPersonCount()
+                val taggedFaceCount = photoFaceTagDao.getUnverifiedTagCount()
+
+                _uiState.value = StatsUiState.Success(
+                    totalPhotos = totalCount,
+                    yearCounts = yearCounts,
+                    monthlyCounts = monthlyCounts,
+                    dailyCounts = dailyCounts,
+                    systemTagStats = systemTagStats,
+                    burstStats = burstStats,
+                    dateRange = dateRange,
+                    averagePerDay = avgPerDay ?: 0f,
+                    dayOfWeekCounts = dayOfWeekCounts,
+                    hourCounts = hourCounts,
+                    personCount = personCount,
+                    taggedFaceCount = taggedFaceCount
+                )
+
+            } catch (e: Exception) {
+                _uiState.value = StatsUiState.Error(
+                    e.message ?: "Failed to load statistics"
+                )
+            }
+        }
+    }
+
+    fun setTimelineGranularity(granularity: TimelineGranularity) {
+        _timelineGranularity.value = granularity
+    }
+
+    fun refresh() {
+        loadStats()
+    }
+}
+
+/**
+ * UI State for stats screen
+ */
+sealed class StatsUiState {
+    object Loading : StatsUiState()
+
+    data class Success(
+        val totalPhotos: Int,
+        val yearCounts: List<YearCount>,
+        val monthlyCounts: List<MonthCount>,
+        val dailyCounts: List<DateCount>,
+        val systemTagStats: List<TagStat>,
+        val burstStats: BurstStats?,
+        val dateRange: PhotoDateRange?,
+        val averagePerDay: Float,
+        val dayOfWeekCounts: List<DayOfWeekCount>,
+        val hourCounts: List<HourCount>,
+        val personCount: Int,
+        val taggedFaceCount: Int
+    ) : StatsUiState()
+
+    data class Error(val message: String) : StatsUiState()
+}
+
+/**
+ * Timeline granularity options
+ */
+enum class TimelineGranularity {
+    DAILY,
+    MONTHLY,
+    YEARLY
+}

app/src/main/java/com/placeholder/sherpai2/util/DebugFlags.kt

@@ -0,0 +1,68 @@
+package com.placeholder.sherpai2.util
+
+/**
+ * Debug feature flags
+ *
+ * Toggle these to enable/disable diagnostic features
+ * Set to false before release builds!
+ */
+object DebugFlags {
+
+    /**
+     * Enable verbose face recognition logging
+     *
+     * When true:
+     * - Logs every face detection
+     * - Logs similarity scores
+     * - Logs matching decisions
+     * - Shows why images are skipped
+     *
+     * Filter Logcat by: "FaceRecognition"
+     */
+    const val ENABLE_FACE_RECOGNITION_LOGGING = true  // ← Toggle here
+
+    /**
+     * Show confidence scores in UI
+     */
+    const val SHOW_CONFIDENCE_IN_UI = true  // ← Toggle here
+
+    /**
+     * Lower thresholds for better recall (more matches, some false positives)
+     */
+    const val USE_LIBERAL_THRESHOLDS = true  // ← Toggle here
+}
+
+/**
+ * Diagnostic logger - only logs when flag is enabled
+ */
+object DiagnosticLogger {
+    private const val TAG = "FaceRecognition"
+
+    fun d(message: String) {
+        if (DebugFlags.ENABLE_FACE_RECOGNITION_LOGGING) {
+            android.util.Log.d(TAG, message)
+        }
+    }
+
+    fun i(message: String) {
+        if (DebugFlags.ENABLE_FACE_RECOGNITION_LOGGING) {
+            android.util.Log.i(TAG, message)
+        }
+    }
+
+    fun w(message: String) {
+        if (DebugFlags.ENABLE_FACE_RECOGNITION_LOGGING) {
+            android.util.Log.w(TAG, message)
+        }
+    }
+
+    fun e(message: String, throwable: Throwable? = null) {
+        if (DebugFlags.ENABLE_FACE_RECOGNITION_LOGGING) {
+            if (throwable != null) {
+                android.util.Log.e(TAG, message, throwable)
+            } else {
+                android.util.Log.e(TAG, message)
+            }
+        }
+    }
+}

build.gradle.kts

@@ -3,5 +3,10 @@ plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
     alias(libs.plugins.kotlin.compose) apply false
+
+    //Adding these two fixes the conflicts between hilt / room / ksp and javbapoet (cannonicalName())
+    //https://github.com/google/dagger/issues/4048#issuecomment-1864237679
     alias(libs.plugins.ksp) apply false
+    alias(libs.plugins.hilt.android) apply false
+
 }

gradle.properties

@@ -21,3 +21,4 @@ kotlin.code.style=official
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
+org.gradle.java.home=/snap/android-studio/current/jbr

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 # Tooling
-agp = "8.7.3"
+agp = "8.13.2"
 kotlin = "2.0.21"
 ksp = "2.0.21-1.0.28"
 
@@ -8,19 +8,31 @@ ksp = "2.0.21-1.0.28"
 coreKtx = "1.15.0"
 lifecycle = "2.8.7"
 activityCompose = "1.9.3"
-composeBom = "2024.12.01"
+composeBom = "2025.12.01"
 navigationCompose = "2.8.5"
-hiltNavigationCompose = "1.2.0"
+hiltNavigationCompose = "1.3.0"
 
-# DI
-hilt = "2.52"
+# DI & Database
+hilt = "2.57.2"
+room = "2.8.4"
 
 # Images
 coil = "2.7.0"
 
-#backend2
-#Room
-room = "2.6.1"
+# Face Detect
+mlkit-face-detection = "16.1.6"
+coroutines-play-services = "1.8.1"
+
+# Models
+tensorflow-lite = "2.14.0"
+tensorflow-lite-support = "0.4.4"
+gson = "2.10.1"
+
+#Album/Image View Tools
+zoomable = "1.6.1"
+
+#Charting Lib
+vico = "2.0.0-alpha.28"
 
 
 [libraries]
@@ -29,11 +41,11 @@ androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecyc
 androidx-lifecycle-viewmodel-compose = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-compose", version.ref = "lifecycle" }
 androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
 
-# Compose BOM & UI
+# Compose
 androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
 androidx-compose-ui = { group = "androidx.compose.ui", name = "ui" }
 androidx-compose-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
-androidx-compose-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" } # ADDED THIS
+androidx-compose-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
 androidx-compose-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
 androidx-compose-material3 = { group = "androidx.compose.material3", name = "material3" }
 androidx-compose-material-icons = { group = "androidx.compose.material", name = "material-icons-extended" }
@@ -44,15 +56,34 @@ androidx-hilt-navigation-compose = { group = "androidx.hilt", name = "hilt-navig
 hilt-android = { group = "com.google.dagger", name = "hilt-android", version.ref = "hilt" }
 hilt-compiler = { group = "com.google.dagger", name = "hilt-compiler", version.ref = "hilt" }
 
-# Misc
-coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }
-
-#backend2
-#Room
+# Room
 room-runtime = { group = "androidx.room", name = "room-runtime", version.ref = "room" }
 room-ktx = { group = "androidx.room", name = "room-ktx", version.ref = "room" }
 room-compiler = { group = "androidx.room", name = "room-compiler", version.ref = "room" }
 
+# Misc
+coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }
+
+#Face Detect
+mlkit-face-detection = { group = "com.google.mlkit", name = "face-detection", version.ref = "mlkit-face-detection"}
+kotlinx-coroutines-play-services = {group = "org.jetbrains.kotlinx",name = "kotlinx-coroutines-play-services",version.ref = "coroutines-play-services"}
+
+# TensorFlow Lite for FaceNet
+tensorflow-lite = { group = "org.tensorflow", name = "tensorflow-lite", version.ref = "tensorflow-lite" }
+tensorflow-lite-support = { group = "org.tensorflow", name = "tensorflow-lite-support", version.ref = "tensorflow-lite-support" }
+tensorflow-lite-gpu = { group = "org.tensorflow", name = "tensorflow-lite-gpu", version.ref = "tensorflow-lite" }
+
+gson = { group = "com.google.code.gson", name = "gson", version.ref = "gson" }
+
+
+#Album/Image View Tools
+zoomable = { group = "net.engawapg.lib", name = "zoomable", version.ref = "zoomable" }
+
+vico-compose = { module = "com.patrykandpatrick.vico:compose", version.ref = "vico" }
+vico-compose-m3 = { module = "com.patrykandpatrick.vico:compose-m3", version.ref = "vico" }
+vico-core = { module = "com.patrykandpatrick.vico:core", version.ref = "vico" }
+
+
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
@@ -60,3 +91,4 @@ kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
 hilt-android = { id = "com.google.dagger.hilt.android", version.ref = "hilt" }
+