refactor: migrate to riverpod 3

lib/core/auth/auth_state_manager.dart

@@ -78,23 +78,28 @@ enum AuthStatus {
 }
 
 /// Unified auth state manager - single source of truth for all auth operations
-class AuthStateManager extends StateNotifier<AuthState> {
+class AuthStateManager extends Notifier<AuthState> {
-  AuthStateManager(this._ref)
-    : super(const AuthState(status: AuthStatus.initial)) {
-    _initialize();
-  }
-
-  final Ref _ref;
   final AuthCacheManager _cacheManager = AuthCacheManager();
   // Prevent overlapping silent-login attempts from multiple triggers
   Future<bool>? _silentLoginFuture;
+  bool _initialized = false;
+
+  @override
+  AuthState build() {
+    if (!_initialized) {
+      _initialized = true;
+      Future.microtask(_initialize);
+    }
+
+    return const AuthState(status: AuthStatus.initial);
+  }
 
   /// Initialize auth state from storage
   Future<void> _initialize() async {
     state = state.copyWith(status: AuthStatus.loading, isLoading: true);
 
     try {
-      final storage = _ref.read(optimizedStorageServiceProvider);
+      final storage = ref.read(optimizedStorageServiceProvider);
       final token = await storage.getAuthToken();
 
       if (token != null && token.isNotEmpty) {
@@ -171,7 +176,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
 
       // Ensure API service is available
       await _ensureApiServiceAvailable();
-      final api = _ref.read(apiServiceProvider);
+      final api = ref.read(apiServiceProvider);
       if (api == null) {
         throw Exception('No server connection available');
       }
@@ -192,12 +197,12 @@ class AuthStateManager extends StateNotifier<AuthState> {
         await api.getCurrentUser(); // Just validate, don't store user data yet
 
         // Save token to storage
-        final storage = _ref.read(optimizedStorageServiceProvider);
+        final storage = ref.read(optimizedStorageServiceProvider);
         await storage.saveAuthToken(tokenStr);
 
         // Save API key if requested (for convenience, though less secure than credentials)
         if (rememberCredentials) {
-          final activeServer = await _ref.read(activeServerProvider.future);
+          final activeServer = await ref.read(activeServerProvider.future);
           if (activeServer != null) {
             // Store API key as a special credential type
             await storage.saveCredentials(
@@ -260,7 +265,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
     try {
       // Ensure API service is available (active server/provider rebuild race)
       await _ensureApiServiceAvailable();
-      final api = _ref.read(apiServiceProvider);
+      final api = ref.read(apiServiceProvider);
       if (api == null) {
         throw Exception('No server connection available');
       }
@@ -280,12 +285,12 @@ class AuthStateManager extends StateNotifier<AuthState> {
       }
 
       // Save token to storage
-      final storage = _ref.read(optimizedStorageServiceProvider);
+      final storage = ref.read(optimizedStorageServiceProvider);
       await storage.saveAuthToken(tokenStr);
 
       // Save credentials if requested
       if (rememberCredentials) {
-        final activeServer = await _ref.read(activeServerProvider.future);
+        final activeServer = await ref.read(activeServerProvider.future);
         if (activeServer != null) {
           await storage.saveCredentials(
             serverId: activeServer.id,
@@ -332,7 +337,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
   }) async {
     final end = DateTime.now().add(timeout);
     while (DateTime.now().isBefore(end)) {
-      final api = _ref.read(apiServiceProvider);
+      final api = ref.read(apiServiceProvider);
       if (api != null) return;
       await Future.delayed(const Duration(milliseconds: 50));
     }
@@ -363,7 +368,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
     );
 
     try {
-      final storage = _ref.read(optimizedStorageServiceProvider);
+      final storage = ref.read(optimizedStorageServiceProvider);
       final savedCredentials = await storage.getSavedCredentials();
 
       if (savedCredentials == null) {
@@ -381,10 +386,10 @@ class AuthStateManager extends StateNotifier<AuthState> {
 
       // Set active server if needed
       await storage.setActiveServerId(serverId);
-      _ref.invalidate(activeServerProvider);
+      ref.invalidate(activeServerProvider);
 
       // Wait for server connection
-      final activeServer = await _ref.read(activeServerProvider.future);
+      final activeServer = await ref.read(activeServerProvider.future);
       if (activeServer == null) {
         await storage.setActiveServerId(null);
         state = state.copyWith(
@@ -411,7 +416,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
           e.toString().contains('403') ||
           e.toString().contains('authentication') ||
           e.toString().contains('unauthorized')) {
-        final storage = _ref.read(optimizedStorageServiceProvider);
+        final storage = ref.read(optimizedStorageServiceProvider);
         await storage.deleteSavedCredentials();
       }
 
@@ -434,7 +439,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
     }
 
     // Clear token from storage
-    final storage = _ref.read(optimizedStorageServiceProvider);
+    final storage = ref.read(optimizedStorageServiceProvider);
     await storage.deleteAuthToken();
 
     // Update state
@@ -461,7 +466,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
 
     try {
       // Call server logout if possible
-      final api = _ref.read(apiServiceProvider);
+      final api = ref.read(apiServiceProvider);
       if (api != null) {
         try {
           await api.logout();
@@ -471,7 +476,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
       }
 
       // Clear all local auth data
-      final storage = _ref.read(optimizedStorageServiceProvider);
+      final storage = ref.read(optimizedStorageServiceProvider);
       await storage.clearAuthData();
 
       // Update state
@@ -524,7 +529,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
   /// Load complete user data from server
   Future<void> _loadServerUserData() async {
     try {
-      final api = _ref.read(apiServiceProvider);
+      final api = ref.read(apiServiceProvider);
       if (api != null && state.isAuthenticated) {
         // Check if we already have user data from token validation
         if (state.user != null) {
@@ -546,7 +551,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
 
   /// Update API service with current token
   void _updateApiServiceToken(String token) {
-    final api = _ref.read(apiServiceProvider);
+    final api = ref.read(apiServiceProvider);
     api?.updateAuthToken(token);
   }
 
@@ -582,7 +587,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
 
     // Server validation (async with timeout)
     try {
-      final api = _ref.read(apiServiceProvider);
+      final api = ref.read(apiServiceProvider);
       if (api == null) {
         debugPrint('DEBUG: No API service available for token validation');
         return formatResult.isValid; // Fall back to format validation
@@ -630,7 +635,7 @@ class AuthStateManager extends StateNotifier<AuthState> {
     }
 
     try {
-      final storage = _ref.read(optimizedStorageServiceProvider);
+      final storage = ref.read(optimizedStorageServiceProvider);
       final hasCredentials = await storage.hasCredentials();
 
       // Cache the result
@@ -668,10 +673,9 @@ class AuthStateManager extends StateNotifier<AuthState> {
 }
 
 /// Provider for the unified auth state manager
-final authStateManagerProvider =
+final authStateManagerProvider = NotifierProvider<AuthStateManager, AuthState>(
-    StateNotifierProvider<AuthStateManager, AuthState>((ref) {
+  AuthStateManager.new,
-      return AuthStateManager(ref);
+);
-    });
 
 /// Computed providers for common auth state queries
 final isAuthenticatedProvider = Provider<bool>((ref) {

lib/core/providers/app_providers.dart

@@ -63,28 +63,24 @@ final optimizedStorageServiceProvider = Provider<OptimizedStorageService>((
 });
 
 // Theme provider
-final themeModeProvider = StateNotifierProvider<ThemeModeNotifier, ThemeMode>((
+final themeModeProvider = NotifierProvider<ThemeModeNotifier, ThemeMode>(
-  ref,
+  ThemeModeNotifier.new,
-) {
+);
-  final storage = ref.watch(optimizedStorageServiceProvider);
-  return ThemeModeNotifier(storage);
-});
 
-class ThemeModeNotifier extends StateNotifier<ThemeMode> {
+class ThemeModeNotifier extends Notifier<ThemeMode> {
-  final OptimizedStorageService _storage;
+  late final OptimizedStorageService _storage;
 
-  ThemeModeNotifier(this._storage) : super(ThemeMode.system) {
+  @override
-    _loadTheme();
+  ThemeMode build() {
-  }
+    _storage = ref.watch(optimizedStorageServiceProvider);
-
+    final storedMode = _storage.getThemeMode();
-  void _loadTheme() {
+    if (storedMode != null) {
-    final mode = _storage.getThemeMode();
+      return ThemeMode.values.firstWhere(
-    if (mode != null) {
+        (e) => e.toString() == storedMode,
-      state = ThemeMode.values.firstWhere(
-        (e) => e.toString() == mode,
         orElse: () => ThemeMode.system,
       );
     }
+    return ThemeMode.system;
   }
 
   void setTheme(ThemeMode mode) {
@@ -94,25 +90,21 @@ class ThemeModeNotifier extends StateNotifier<ThemeMode> {
 }
 
 // Locale provider
-final localeProvider = StateNotifierProvider<LocaleNotifier, Locale?>((ref) {
+final localeProvider = NotifierProvider<LocaleNotifier, Locale?>(
-  final storage = ref.watch(optimizedStorageServiceProvider);
+  LocaleNotifier.new,
-  return LocaleNotifier(storage);
+);
-});
 
-class LocaleNotifier extends StateNotifier<Locale?> {
+class LocaleNotifier extends Notifier<Locale?> {
-  final OptimizedStorageService _storage;
+  late final OptimizedStorageService _storage;
 
-  LocaleNotifier(this._storage) : super(null) {
+  @override
-    _loadLocale();
+  Locale? build() {
-  }
+    _storage = ref.watch(optimizedStorageServiceProvider);
-
-  void _loadLocale() {
     final code = _storage.getLocaleCode();
     if (code != null && code.isNotEmpty) {
-      state = Locale(code);
+      return Locale(code);
-    } else {
-      state = null; // system
     }
+    return null; // system default
   }
 
   Future<void> setLocale(Locale? locale) async {
@@ -325,17 +317,38 @@ final modelsProvider = FutureProvider<List<Model>>((ref) async {
   }
 });
 
-final selectedModelProvider = StateProvider<Model?>((ref) => null);
+final selectedModelProvider = NotifierProvider<SelectedModelNotifier, Model?>(
+  SelectedModelNotifier.new,
+);
 
 // Track if the current model selection is manual (user-selected) or automatic (default)
-final isManualModelSelectionProvider = StateProvider<bool>((ref) => false);
+final isManualModelSelectionProvider =
+    NotifierProvider<IsManualModelSelectionNotifier, bool>(
+      IsManualModelSelectionNotifier.new,
+    );
+
+class SelectedModelNotifier extends Notifier<Model?> {
+  @override
+  Model? build() => null;
+
+  void set(Model? model) => state = model;
+
+  void clear() => state = null;
+}
+
+class IsManualModelSelectionNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
 
 // Listen for settings changes and reset manual selection when default model changes
 final _settingsWatcherProvider = Provider<void>((ref) {
   ref.listen<AppSettings>(appSettingsProvider, (previous, next) {
     if (previous?.defaultModel != next.defaultModel) {
       // Reset manual selection when default model changes
-      ref.read(isManualModelSelectionProvider.notifier).state = false;
+      ref.read(isManualModelSelectionProvider.notifier).set(false);
     }
   });
 });
@@ -376,7 +389,7 @@ final defaultModelAutoSelectionProvider = Provider<void>((ref) {
             (models.isNotEmpty ? models.first : null);
 
         if (selected != null) {
-          ref.read(selectedModelProvider.notifier).state = selected;
+          ref.read(selectedModelProvider.notifier).set(selected);
           foundation.debugPrint(
             'DEBUG: Auto-applied default model (by ID): ${selected.name}',
           );
@@ -391,7 +404,17 @@ final defaultModelAutoSelectionProvider = Provider<void>((ref) {
 });
 
 // Cache timestamp for conversations to prevent rapid re-fetches
-final _conversationsCacheTimestamp = StateProvider<DateTime?>((ref) => null);
+final _conversationsCacheTimestamp =
+    NotifierProvider<_ConversationsCacheTimestampNotifier, DateTime?>(
+      _ConversationsCacheTimestampNotifier.new,
+    );
+
+class _ConversationsCacheTimestampNotifier extends Notifier<DateTime?> {
+  @override
+  DateTime? build() => null;
+
+  void set(DateTime? timestamp) => state = timestamp;
+}
 
 // Conversation providers - Now using correct OpenWebUI API with caching
 final conversationsProvider = FutureProvider<List<Conversation>>((ref) async {
@@ -585,7 +608,7 @@ final conversationsProvider = FutureProvider<List<Conversation>>((ref) async {
       );
 
       // Update cache timestamp
-      ref.read(_conversationsCacheTimestamp.notifier).state = DateTime.now();
+      ref.read(_conversationsCacheTimestamp.notifier).set(DateTime.now());
 
       return sortedConversations;
     } catch (e) {
@@ -597,7 +620,7 @@ final conversationsProvider = FutureProvider<List<Conversation>>((ref) async {
       );
 
       // Update cache timestamp
-      ref.read(_conversationsCacheTimestamp.notifier).state = DateTime.now();
+      ref.read(_conversationsCacheTimestamp.notifier).set(DateTime.now());
 
       return conversations; // Return original conversations if folder fetch fails
     }
@@ -618,7 +641,19 @@ final conversationsProvider = FutureProvider<List<Conversation>>((ref) async {
   }
 });
 
-final activeConversationProvider = StateProvider<Conversation?>((ref) => null);
+final activeConversationProvider =
+    NotifierProvider<ActiveConversationNotifier, Conversation?>(
+      ActiveConversationNotifier.new,
+    );
+
+class ActiveConversationNotifier extends Notifier<Conversation?> {
+  @override
+  Conversation? build() => null;
+
+  void set(Conversation? conversation) => state = conversation;
+
+  void clear() => state = null;
+}
 
 // Provider to load full conversation with messages
 final loadConversationProvider = FutureProvider.family<Conversation, String>((
@@ -662,7 +697,7 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
     if (models.isNotEmpty) {
       final defaultModel = models.first;
       if (!ref.read(isManualModelSelectionProvider)) {
-        ref.read(selectedModelProvider.notifier).state = defaultModel;
+        ref.read(selectedModelProvider.notifier).set(defaultModel);
         foundation.debugPrint(
           'DEBUG: Auto-selected demo model: ${defaultModel.name}',
         );
@@ -692,7 +727,7 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
             name: storedDefaultId,
             supportsStreaming: true,
           );
-          ref.read(selectedModelProvider.notifier).state = placeholder;
+          ref.read(selectedModelProvider.notifier).set(placeholder);
         }
         // Reconcile against real models in background
         Future.microtask(() async {
@@ -709,7 +744,7 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
             }
             resolved ??= models.isNotEmpty ? models.first : null;
             if (resolved != null && !ref.read(isManualModelSelectionProvider)) {
-              ref.read(selectedModelProvider.notifier).state = resolved;
+              ref.read(selectedModelProvider.notifier).set(resolved);
               foundation.debugPrint(
                 'DEBUG: Reconciled default model to ${resolved.name}',
               );
@@ -730,7 +765,7 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
             name: serverDefault,
             supportsStreaming: true,
           );
-          ref.read(selectedModelProvider.notifier).state = placeholder;
+          ref.read(selectedModelProvider.notifier).set(placeholder);
         }
         // Reconcile against real models in background
         Future.microtask(() async {
@@ -747,7 +782,7 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
             }
             resolved ??= models.isNotEmpty ? models.first : null;
             if (resolved != null && !ref.read(isManualModelSelectionProvider)) {
-              ref.read(selectedModelProvider.notifier).state = resolved;
+              ref.read(selectedModelProvider.notifier).set(resolved);
               foundation.debugPrint(
                 'DEBUG: Reconciled server default to ${resolved.name}',
               );
@@ -766,7 +801,7 @@ final defaultModelProvider = FutureProvider<Model?>((ref) async {
     }
     final selectedModel = models.first;
     if (!ref.read(isManualModelSelectionProvider)) {
-      ref.read(selectedModelProvider.notifier).state = selectedModel;
+      ref.read(selectedModelProvider.notifier).set(selectedModel);
       foundation.debugPrint(
         'DEBUG: Set default model (fallback): ${selectedModel.name}',
       );
@@ -806,7 +841,16 @@ final backgroundModelLoadProvider = Provider<void>((ref) {
 });
 
 // Search query provider
-final searchQueryProvider = StateProvider<String>((ref) => '');
+final searchQueryProvider = NotifierProvider<SearchQueryNotifier, String>(
+  SearchQueryNotifier.new,
+);
+
+class SearchQueryNotifier extends Notifier<String> {
+  @override
+  String build() => '';
+
+  void set(String query) => state = query;
+}
 
 // Server-side search provider for chats
 final serverSearchProvider = FutureProvider.family<List<Conversation>, String>((
@@ -1002,17 +1046,29 @@ final archivedConversationsProvider = Provider<List<Conversation>>((ref) {
 });
 
 // Reviewer mode provider (persisted)
-final reviewerModeProvider = StateNotifierProvider<ReviewerModeNotifier, bool>(
+final reviewerModeProvider = NotifierProvider<ReviewerModeNotifier, bool>(
-  (ref) => ReviewerModeNotifier(ref.watch(optimizedStorageServiceProvider)),
+  ReviewerModeNotifier.new,
 );
 
-class ReviewerModeNotifier extends StateNotifier<bool> {
+class ReviewerModeNotifier extends Notifier<bool> {
-  final OptimizedStorageService _storage;
+  late final OptimizedStorageService _storage;
-  ReviewerModeNotifier(this._storage) : super(false) {
+  bool _initialized = false;
-    _load();
+
+  @override
+  bool build() {
+    _storage = ref.watch(optimizedStorageServiceProvider);
+    if (!_initialized) {
+      _initialized = true;
+      Future.microtask(_load);
     }
+    return false;
+  }
+
   Future<void> _load() async {
     final enabled = await _storage.getReviewerMode();
+    if (!ref.mounted) {
+      return;
+    }
     state = enabled;
   }
 

lib/core/providers/app_startup_providers.dart

@@ -16,19 +16,37 @@ import '../utils/debug_logger.dart';
 enum _ConversationWarmupStatus { idle, warming, complete }
 
 final _conversationWarmupStatusProvider =
-    StateProvider<_ConversationWarmupStatus>(
+    NotifierProvider<
-      (ref) => _ConversationWarmupStatus.idle,
+      _ConversationWarmupStatusNotifier,
+      _ConversationWarmupStatus
+    >(_ConversationWarmupStatusNotifier.new);
+
+final _conversationWarmupLastAttemptProvider =
+    NotifierProvider<_ConversationWarmupLastAttemptNotifier, DateTime?>(
+      _ConversationWarmupLastAttemptNotifier.new,
     );
 
-final _conversationWarmupLastAttemptProvider = StateProvider<DateTime?>(
+class _ConversationWarmupStatusNotifier
-  (ref) => null,
+    extends Notifier<_ConversationWarmupStatus> {
-);
+  @override
+  _ConversationWarmupStatus build() => _ConversationWarmupStatus.idle;
+
+  void set(_ConversationWarmupStatus status) => state = status;
+}
+
+class _ConversationWarmupLastAttemptNotifier extends Notifier<DateTime?> {
+  @override
+  DateTime? build() => null;
+
+  void set(DateTime? value) => state = value;
+}
 
 void _scheduleConversationWarmup(Ref ref, {bool force = false}) {
   final navState = ref.read(authNavigationStateProvider);
   if (navState != AuthNavigationState.authenticated) {
-    ref.read(_conversationWarmupStatusProvider.notifier).state =
+    ref
-        _ConversationWarmupStatus.idle;
+        .read(_conversationWarmupStatusProvider.notifier)
+        .set(_ConversationWarmupStatus.idle);
     return;
   }
 
@@ -38,7 +56,7 @@ void _scheduleConversationWarmup(Ref ref, {bool force = false}) {
   }
 
   final statusController = ref.read(_conversationWarmupStatusProvider.notifier);
-  final status = statusController.state;
+  final status = ref.read(_conversationWarmupStatusProvider);
 
   if (!force) {
     if (status == _ConversationWarmupStatus.warming ||
@@ -56,28 +74,28 @@ void _scheduleConversationWarmup(Ref ref, {bool force = false}) {
       now.difference(lastAttempt) < const Duration(seconds: 30)) {
     return;
   }
-  ref.read(_conversationWarmupLastAttemptProvider.notifier).state = now;
+  ref.read(_conversationWarmupLastAttemptProvider.notifier).set(now);
 
-  statusController.state = _ConversationWarmupStatus.warming;
+  statusController.set(_ConversationWarmupStatus.warming);
 
   Future.microtask(() async {
     try {
       final existing = ref.read(conversationsProvider);
       if (existing.hasValue) {
-        statusController.state = _ConversationWarmupStatus.complete;
+        statusController.set(_ConversationWarmupStatus.complete);
         return;
       }
       if (existing.hasError) {
         ref.invalidate(conversationsProvider);
       }
       final conversations = await ref.read(conversationsProvider.future);
-      statusController.state = _ConversationWarmupStatus.complete;
+      statusController.set(_ConversationWarmupStatus.complete);
       DebugLogger.info(
         'Background chats warmup fetched ${conversations.length} conversations',
       );
     } catch (error) {
       DebugLogger.warning('Background chats warmup failed: $error');
-      statusController.state = _ConversationWarmupStatus.idle;
+      statusController.set(_ConversationWarmupStatus.idle);
     }
   });
 }
@@ -148,8 +166,9 @@ final appStartupFlowProvider = Provider<void>((ref) {
       });
     } else {
       // Reset warmup state when leaving authenticated flow
-      ref.read(_conversationWarmupStatusProvider.notifier).state =
+      ref
-          _ConversationWarmupStatus.idle;
+          .read(_conversationWarmupStatusProvider.notifier)
+          .set(_ConversationWarmupStatus.idle);
     }
   });
 
@@ -167,8 +186,9 @@ final appStartupFlowProvider = Provider<void>((ref) {
   ) {
     final wasReady = previous?.hasValue == true || previous?.hasError == true;
     if (wasReady && next.isLoading) {
-      ref.read(_conversationWarmupStatusProvider.notifier).state =
+      ref
-          _ConversationWarmupStatus.idle;
+          .read(_conversationWarmupStatusProvider.notifier)
+          .set(_ConversationWarmupStatus.idle);
       Future.microtask(() => _scheduleConversationWarmup(ref, force: true));
     }
   });
@@ -195,8 +215,9 @@ class _ForegroundRefreshObserver extends WidgetsBindingObserver {
       Future.microtask(() {
         try {
           _ref.invalidate(conversationsProvider);
-          _ref.read(_conversationWarmupStatusProvider.notifier).state =
+          _ref
-              _ConversationWarmupStatus.idle;
+              .read(_conversationWarmupStatusProvider.notifier)
+              .set(_ConversationWarmupStatus.idle);
         } catch (_) {}
         _scheduleConversationWarmup(_ref, force: true);
       });

lib/core/services/animation_service.dart

@@ -208,12 +208,29 @@ class AnimationService {
 enum PageTransitionType { fade, slide, scale }
 
 /// Provider for reduced motion preference
-final reducedMotionProvider = StateProvider<bool>((ref) => false);
+final reducedMotionProvider = NotifierProvider<ReducedMotionNotifier, bool>(
+  ReducedMotionNotifier.new,
+);
 
 /// Provider for animation performance settings
-final animationPerformanceProvider = StateProvider<AnimationPerformance>((ref) {
+final animationPerformanceProvider =
-  return AnimationPerformance.adaptive;
+    NotifierProvider<AnimationPerformanceNotifier, AnimationPerformance>(
-});
+      AnimationPerformanceNotifier.new,
+    );
+
+class ReducedMotionNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class AnimationPerformanceNotifier extends Notifier<AnimationPerformance> {
+  @override
+  AnimationPerformance build() => AnimationPerformance.adaptive;
+
+  void set(AnimationPerformance performance) => state = performance;
+}
 
 /// Animation performance levels
 enum AnimationPerformance {
@@ -225,8 +242,8 @@ enum AnimationPerformance {
 
 /// Provider for managing animation settings
 final animationSettingsProvider =
-    StateNotifierProvider<AnimationSettingsNotifier, AnimationSettings>(
+    NotifierProvider<AnimationSettingsNotifier, AnimationSettings>(
-      (ref) => AnimationSettingsNotifier(),
+      AnimationSettingsNotifier.new,
     );
 
 class AnimationSettings {
@@ -253,8 +270,9 @@ class AnimationSettings {
   }
 }
 
-class AnimationSettingsNotifier extends StateNotifier<AnimationSettings> {
+class AnimationSettingsNotifier extends Notifier<AnimationSettings> {
-  AnimationSettingsNotifier() : super(const AnimationSettings());
+  @override
+  AnimationSettings build() => const AnimationSettings();
 
   void setReduceMotion(bool reduce) {
     state = state.copyWith(reduceMotion: reduce);

lib/core/services/settings_service.dart

@@ -20,9 +20,11 @@ class SettingsService {
   static const String _voiceHoldToTalkKey = 'voice_hold_to_talk';
   static const String _voiceAutoSendKey = 'voice_auto_send_final';
   // Realtime transport preference
-  static const String _socketTransportModeKey = 'socket_transport_mode'; // 'auto' or 'ws'
+  static const String _socketTransportModeKey =
+      'socket_transport_mode'; // 'auto' or 'ws'
   // Quick pill visibility selections (max 2)
-  static const String _quickPillsKey = 'quick_pills'; // StringList of identifiers e.g. ['web','image','tools']
+  static const String _quickPillsKey =
+      'quick_pills'; // StringList of identifiers e.g. ['web','image','tools']
   // Chat input behavior
   static const String _sendOnEnterKey = 'send_on_enter';
 
@@ -335,9 +337,14 @@ class AppSettings {
       highContrast: highContrast ?? this.highContrast,
       largeText: largeText ?? this.largeText,
       darkMode: darkMode ?? this.darkMode,
-      defaultModel: defaultModel is _DefaultValue ? this.defaultModel : defaultModel as String?,
+      defaultModel: defaultModel is _DefaultValue
-      omitProviderInModelName: omitProviderInModelName ?? this.omitProviderInModelName,
+          ? this.defaultModel
-      voiceLocaleId: voiceLocaleId is _DefaultValue ? this.voiceLocaleId : voiceLocaleId as String?,
+          : defaultModel as String?,
+      omitProviderInModelName:
+          omitProviderInModelName ?? this.omitProviderInModelName,
+      voiceLocaleId: voiceLocaleId is _DefaultValue
+          ? this.voiceLocaleId
+          : voiceLocaleId as String?,
       voiceHoldToTalk: voiceHoldToTalk ?? this.voiceHoldToTalk,
       voiceAutoSendFinal: voiceAutoSendFinal ?? this.voiceAutoSendFinal,
       socketTransportMode: socketTransportMode ?? this.socketTransportMode,
@@ -397,18 +404,27 @@ bool _listEquals(List<String> a, List<String> b) {
 }
 
 /// Provider for app settings
-final appSettingsProvider =
+final appSettingsProvider = NotifierProvider<AppSettingsNotifier, AppSettings>(
-    StateNotifierProvider<AppSettingsNotifier, AppSettings>(
+  AppSettingsNotifier.new,
-      (ref) => AppSettingsNotifier(),
 );
 
-class AppSettingsNotifier extends StateNotifier<AppSettings> {
+class AppSettingsNotifier extends Notifier<AppSettings> {
-  AppSettingsNotifier() : super(const AppSettings()) {
+  bool _initialized = false;
-    _loadSettings();
+
+  @override
+  AppSettings build() {
+    if (!_initialized) {
+      _initialized = true;
+      Future.microtask(_loadSettings);
+    }
+    return const AppSettings();
   }
 
   Future<void> _loadSettings() async {
     final settings = await SettingsService.loadSettings();
+    if (!ref.mounted) {
+      return;
+    }
     state = settings;
   }
 

lib/core/services/share_receiver_service.dart

@@ -25,7 +25,17 @@ class SharedPayload {
 }
 
 /// Holds a pending shared payload until the app is ready (e.g., authed + model loaded)
-final pendingSharedPayloadProvider = StateProvider<SharedPayload?>((_) => null);
+final pendingSharedPayloadProvider =
+    NotifierProvider<PendingSharedPayloadNotifier, SharedPayload?>(
+      PendingSharedPayloadNotifier.new,
+    );
+
+class PendingSharedPayloadNotifier extends Notifier<SharedPayload?> {
+  @override
+  SharedPayload? build() => null;
+
+  void set(SharedPayload? payload) => state = payload;
+}
 
 /// Initializes listening to OS share intents and handles them
 final shareReceiverInitializerProvider = Provider<void>((ref) {
@@ -45,7 +55,7 @@ final shareReceiverInitializerProvider = Provider<void>((ref) {
         model != null &&
         isOnChatRoute) {
       _processPayload(ref, pending);
-      ref.read(pendingSharedPayloadProvider.notifier).state = null;
+      ref.read(pendingSharedPayloadProvider.notifier).set(null);
     }
   }
 
@@ -70,7 +80,7 @@ final shareReceiverInitializerProvider = Provider<void>((ref) {
       final dynamic media = await handler.getInitialSharedMedia();
       final payload = _toPayload(media);
       if (payload.hasAnything) {
-        ref.read(pendingSharedPayloadProvider.notifier).state = payload;
+        ref.read(pendingSharedPayloadProvider.notifier).set(payload);
         maybeProcessPending();
       }
     } catch (e) {
@@ -83,7 +93,7 @@ final shareReceiverInitializerProvider = Provider<void>((ref) {
     try {
       final payload = _toPayload(media);
       if (payload.hasAnything) {
-        ref.read(pendingSharedPayloadProvider.notifier).state = payload;
+        ref.read(pendingSharedPayloadProvider.notifier).set(payload);
         maybeProcessPending();
       }
     } catch (e) {
@@ -178,10 +188,10 @@ Future<void> _processPayload(Ref ref, SharedPayload payload) async {
     // Prefill text in the composer (do not auto-send) and request focus
     final text = payload.text?.trim();
     if (text != null && text.isNotEmpty) {
-      ref.read(prefilledInputTextProvider.notifier).state = text;
+      ref.read(prefilledInputTextProvider.notifier).set(text);
       // Bump focus trigger to ensure input focuses after navigation/build
       final current = ref.read(inputFocusTriggerProvider);
-      ref.read(inputFocusTriggerProvider.notifier).state = current + 1;
+      ref.read(inputFocusTriggerProvider.notifier).set(current + 1);
     }
     // Do NOT create a server chat here. The chat is created on first send
     // (with server syncing + title generation) in chat_providers.dart.

lib/features/chat/providers/chat_providers.dart

@@ -23,33 +23,83 @@ const bool kSocketVerboseLogging = false;
 
 // Chat messages for current conversation
 final chatMessagesProvider =
-    StateNotifierProvider<ChatMessagesNotifier, List<ChatMessage>>((ref) {
+    NotifierProvider<ChatMessagesNotifier, List<ChatMessage>>(
-      return ChatMessagesNotifier(ref);
+      ChatMessagesNotifier.new,
-    });
+    );
 
 // Loading state for conversation (used to show chat skeletons during fetch)
-final isLoadingConversationProvider = StateProvider<bool>((ref) => false);
+final isLoadingConversationProvider =
+    NotifierProvider<IsLoadingConversationNotifier, bool>(
+      IsLoadingConversationNotifier.new,
+    );
 
 // Prefilled input text (e.g., when sharing text from other apps)
-final prefilledInputTextProvider = StateProvider<String?>((ref) => null);
+final prefilledInputTextProvider =
+    NotifierProvider<PrefilledInputTextNotifier, String?>(
+      PrefilledInputTextNotifier.new,
+    );
 
 // Trigger to request focus on the chat input (increment to signal)
-final inputFocusTriggerProvider = StateProvider<int>((ref) => 0);
+final inputFocusTriggerProvider =
+    NotifierProvider<InputFocusTriggerNotifier, int>(
+      InputFocusTriggerNotifier.new,
+    );
 
 // Whether the chat composer currently has focus
-final composerHasFocusProvider = StateProvider<bool>((ref) => false);
+final composerHasFocusProvider = NotifierProvider<ComposerFocusNotifier, bool>(
+  ComposerFocusNotifier.new,
+);
 
-class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
+class IsLoadingConversationNotifier extends Notifier<bool> {
-  final Ref _ref;
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class PrefilledInputTextNotifier extends Notifier<String?> {
+  @override
+  String? build() => null;
+
+  void set(String? value) => state = value;
+
+  void clear() => state = null;
+}
+
+class InputFocusTriggerNotifier extends Notifier<int> {
+  @override
+  int build() => 0;
+
+  void set(int value) => state = value;
+
+  int increment() {
+    final next = state + 1;
+    state = next;
+    return next;
+  }
+}
+
+class ComposerFocusNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class ChatMessagesNotifier extends Notifier<List<ChatMessage>> {
   StreamSubscription? _messageStream;
   ProviderSubscription? _conversationListener;
   final List<StreamSubscription> _subscriptions = [];
   // Activity-based watchdog to prevent stuck typing indicator
   InactivityWatchdog? _typingWatchdog;
 
-  ChatMessagesNotifier(this._ref) : super([]) {
+  bool _initialized = false;
-    // Load messages when conversation changes with proper cleanup
+
-    _conversationListener = _ref.listen(activeConversationProvider, (
+  @override
+  List<ChatMessage> build() {
+    if (!_initialized) {
+      _initialized = true;
+      _conversationListener = ref.listen(activeConversationProvider, (
         previous,
         next,
       ) {
@@ -106,7 +156,22 @@ class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
         }
       });
 
-    // ProviderSubscription will be cleaned up in dispose method
+      ref.onDispose(() {
+        for (final subscription in _subscriptions) {
+          subscription.cancel();
+        }
+        _subscriptions.clear();
+
+        _cancelMessageStream();
+        _cancelTypingGuard();
+
+        _conversationListener?.close();
+        _conversationListener = null;
+      });
+    }
+
+    final activeConversation = ref.read(activeConversationProvider);
+    return activeConversation?.messages ?? const [];
   }
 
   void _addSubscription(StreamSubscription subscription) {
@@ -137,8 +202,8 @@ class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
             // Attempt a soft recovery: if content is still empty, try fetching final content from server
             if ((last.content).trim().isEmpty) {
               try {
-                final apiSvc = _ref.read(apiServiceProvider);
+                final apiSvc = ref.read(apiServiceProvider);
-                final activeConv = _ref.read(activeConversationProvider);
+                final activeConv = ref.read(activeConversationProvider);
                 final msgId = last.id;
                 final chatId = activeConv?.id;
                 if (apiSvc != null && chatId != null && chatId.isNotEmpty) {
@@ -228,9 +293,9 @@ class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
           final isImageGenFlow = (meta['imageGenerationFlow'] == true);
 
           // Also consult global toggles if metadata not present
-          final globalWebSearch = _ref.read(webSearchEnabledProvider);
+          final globalWebSearch = ref.read(webSearchEnabledProvider);
-          final webSearchAvailable = _ref.read(webSearchAvailableProvider);
+          final webSearchAvailable = ref.read(webSearchAvailableProvider);
-          final globalImageGen = _ref.read(imageGenerationEnabledProvider);
+          final globalImageGen = ref.read(imageGenerationEnabledProvider);
 
           // Extend guard windows to tolerate long reasoning/tools (> 1 min)
           if (isWebSearchFlow || (globalWebSearch && webSearchAvailable)) {
@@ -262,13 +327,13 @@ class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
       return;
     }
 
-    final currentSelectedModel = _ref.read(selectedModelProvider);
+    final currentSelectedModel = ref.read(selectedModelProvider);
 
     // If the conversation's model is different from the currently selected one
     if (currentSelectedModel?.id != conversation.model) {
       // Get available models to find the matching one
       try {
-        final models = await _ref.read(modelsProvider.future);
+        final models = await ref.read(modelsProvider.future);
 
         if (models.isEmpty) {
           return;
@@ -281,7 +346,7 @@ class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
 
         if (conversationModel != null) {
           // Update the selected model
-          _ref.read(selectedModelProvider.notifier).state = conversationModel;
+          ref.read(selectedModelProvider.notifier).set(conversationModel);
         } else {
           // Model not found in available models - silently continue
         }
@@ -447,33 +512,9 @@ class ChatMessagesNotifier extends StateNotifier<List<ChatMessage>> {
     // can pick up updated titles and ordering once streaming completes.
     // Best-effort: ignore if ref lifecycle/context prevents invalidation.
     try {
-      _ref.invalidate(conversationsProvider);
+      ref.invalidate(conversationsProvider);
     } catch (_) {}
   }
-
-  @override
-  void dispose() {
-    debugPrint(
-      'ChatMessagesNotifier disposing - ${_subscriptions.length} subscriptions',
-    );
-
-    // Cancel all tracked subscriptions
-    for (final subscription in _subscriptions) {
-      subscription.cancel();
-    }
-    _subscriptions.clear();
-
-    // Cancel message stream specifically
-    _cancelMessageStream();
-    // Cancel any active typing guard
-    _cancelTypingGuard();
-
-    // Cancel conversation listener specifically
-    _conversationListener?.close();
-    _conversationListener = null;
-
-    super.dispose();
-  }
 }
 
 // Pre-seed an assistant skeleton message (with a given id or a new one),
@@ -526,8 +567,8 @@ Future<String> _preseedAssistantAndPersist(
   // Persist the skeleton to the server so the web client sees a correct chain
   try {
     if (api != null && activeConv != null) {
-      final resolvedSystemPrompt = (systemPrompt != null &&
+      final resolvedSystemPrompt =
-              systemPrompt.trim().isNotEmpty)
+          (systemPrompt != null && systemPrompt.trim().isNotEmpty)
           ? systemPrompt.trim()
           : activeConv.systemPrompt;
       final current = ref.read(chatMessagesProvider);
@@ -567,45 +608,92 @@ String? _extractSystemPromptFromSettings(Map<String, dynamic>? settings) {
 // Start a new chat (unified function for both "New Chat" button and home screen)
 void startNewChat(dynamic ref) {
   // Clear active conversation
-  ref.read(activeConversationProvider.notifier).state = null;
+  ref.read(activeConversationProvider.notifier).clear();
 
   // Clear messages
   ref.read(chatMessagesProvider.notifier).clearMessages();
 }
 
 // Available tools provider
-final availableToolsProvider = StateProvider<List<String>>((ref) => []);
+final availableToolsProvider =
+    NotifierProvider<AvailableToolsNotifier, List<String>>(
+      AvailableToolsNotifier.new,
+    );
 
 // Web search enabled state for API-based web search
-final webSearchEnabledProvider = StateProvider<bool>((ref) => false);
+final webSearchEnabledProvider =
+    NotifierProvider<WebSearchEnabledNotifier, bool>(
+      WebSearchEnabledNotifier.new,
+    );
 
 // Image generation enabled state - behaves like web search
-final imageGenerationEnabledProvider = StateProvider<bool>((ref) => false);
+final imageGenerationEnabledProvider =
+    NotifierProvider<ImageGenerationEnabledNotifier, bool>(
+      ImageGenerationEnabledNotifier.new,
+    );
 
 // Vision capable models provider
-final visionCapableModelsProvider = StateProvider<List<String>>((ref) {
+final visionCapableModelsProvider =
-  final selectedModel = ref.watch(selectedModelProvider);
+    NotifierProvider<VisionCapableModelsNotifier, List<String>>(
-  if (selectedModel == null) return [];
+      VisionCapableModelsNotifier.new,
+    );
+
+// File upload capable models provider
+final fileUploadCapableModelsProvider =
+    NotifierProvider<FileUploadCapableModelsNotifier, List<String>>(
+      FileUploadCapableModelsNotifier.new,
+    );
+
+class AvailableToolsNotifier extends Notifier<List<String>> {
+  @override
+  List<String> build() => [];
+
+  void set(List<String> tools) => state = List<String>.from(tools);
+}
+
+class WebSearchEnabledNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class ImageGenerationEnabledNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class VisionCapableModelsNotifier extends Notifier<List<String>> {
+  @override
+  List<String> build() {
+    final selectedModel = ref.watch(selectedModelProvider);
+    if (selectedModel == null) {
+      return [];
+    }
 
-  // Check if the model supports vision (multimodal)
     if (selectedModel.isMultimodal == true) {
       return [selectedModel.id];
     }
 
     // For now, assume all models support vision unless explicitly marked
-  // This can be enhanced with proper model capability detection
     return [selectedModel.id];
-});
+  }
+}
 
-// File upload capable models provider
+class FileUploadCapableModelsNotifier extends Notifier<List<String>> {
-final fileUploadCapableModelsProvider = StateProvider<List<String>>((ref) {
+  @override
+  List<String> build() {
     final selectedModel = ref.watch(selectedModelProvider);
-  if (selectedModel == null) return [];
+    if (selectedModel == null) {
+      return [];
+    }
 
     // For now, assume all models support file upload
-  // This can be enhanced with proper model capability detection
     return [selectedModel.id];
-});
+  }
+}
 
 // Helper function to validate file size
 bool validateFileSize(int fileSize, int? maxSizeMB) {
@@ -790,9 +878,10 @@ Future<void> regenerateMessage(
     if ((activeConversation.systemPrompt == null ||
             activeConversation.systemPrompt!.trim().isEmpty) &&
         (userSystemPrompt?.isNotEmpty ?? false)) {
-      final updated =
+      final updated = activeConversation.copyWith(
-          activeConversation.copyWith(systemPrompt: userSystemPrompt);
+        systemPrompt: userSystemPrompt,
-      ref.read(activeConversationProvider.notifier).state = updated;
+      );
+      ref.read(activeConversationProvider.notifier).set(updated);
       activeConversation = updated;
     }
 
@@ -831,7 +920,8 @@ Future<void> regenerateMessage(
     }
 
     final conversationSystemPrompt = activeConversation.systemPrompt?.trim();
-    final effectiveSystemPrompt = (conversationSystemPrompt != null &&
+    final effectiveSystemPrompt =
+        (conversationSystemPrompt != null &&
             conversationSystemPrompt.isNotEmpty)
         ? conversationSystemPrompt
         : userSystemPrompt;
@@ -840,10 +930,10 @@ Future<void> regenerateMessage(
         (m) => (m['role']?.toString().toLowerCase() ?? '') == 'system',
       );
       if (!hasSystemMessage) {
-        conversationMessages.insert(
+        conversationMessages.insert(0, {
-          0,
+          'role': 'system',
-          {'role': 'system', 'content': effectiveSystemPrompt},
+          'content': effectiveSystemPrompt,
-        );
+        });
       }
     }
 
@@ -974,7 +1064,9 @@ Future<void> regenerateMessage(
     // Resolve tool servers from user settings (if any)
     List<Map<String, dynamic>>? toolServers;
     final uiSettings = userSettingsData?['ui'] as Map<String, dynamic>?;
-    final rawServers = uiSettings != null ? (uiSettings['toolServers'] as List?) : null;
+    final rawServers = uiSettings != null
+        ? (uiSettings['toolServers'] as List?)
+        : null;
     if (rawServers != null && rawServers.isNotEmpty) {
       try {
         toolServers = await _resolveToolServers(rawServers, api);
@@ -1151,7 +1243,7 @@ Future<void> _sendMessageInternal(
     );
 
     // Set as active conversation locally
-    ref.read(activeConversationProvider.notifier).state = localConversation;
+    ref.read(activeConversationProvider.notifier).set(localConversation);
     activeConversation = localConversation;
 
     if (!reviewerMode) {
@@ -1170,8 +1262,7 @@ Future<void> _sendMessageInternal(
               ? serverConversation.messages
               : [userMessage],
         );
-        ref.read(activeConversationProvider.notifier).state =
+        ref.read(activeConversationProvider.notifier).set(updatedConversation);
-            updatedConversation;
         activeConversation = updatedConversation;
 
         // Set messages in the messages provider to keep UI in sync
@@ -1208,7 +1299,7 @@ Future<void> _sendMessageInternal(
           activeConversation.systemPrompt!.trim().isEmpty) &&
       (userSystemPrompt?.isNotEmpty ?? false)) {
     final updated = activeConversation.copyWith(systemPrompt: userSystemPrompt);
-    ref.read(activeConversationProvider.notifier).state = updated;
+    ref.read(activeConversationProvider.notifier).set(updated);
     activeConversation = updated;
   }
 
@@ -1316,8 +1407,8 @@ Future<void> _sendMessageInternal(
   }
 
   final conversationSystemPrompt = activeConversation?.systemPrompt?.trim();
-  final effectiveSystemPrompt = (conversationSystemPrompt != null &&
+  final effectiveSystemPrompt =
-          conversationSystemPrompt.isNotEmpty)
+      (conversationSystemPrompt != null && conversationSystemPrompt.isNotEmpty)
       ? conversationSystemPrompt
       : userSystemPrompt;
   if (effectiveSystemPrompt != null && effectiveSystemPrompt.isNotEmpty) {
@@ -1325,10 +1416,10 @@ Future<void> _sendMessageInternal(
       (m) => (m['role']?.toString().toLowerCase() ?? '') == 'system',
     );
     if (!hasSystemMessage) {
-      conversationMessages.insert(
+      conversationMessages.insert(0, {
-        0,
+        'role': 'system',
-        {'role': 'system', 'content': effectiveSystemPrompt},
+        'content': effectiveSystemPrompt,
-      );
+      });
     }
   }
 
@@ -1478,7 +1569,9 @@ Future<void> _sendMessageInternal(
     // Resolve tool servers from user settings (if any)
     List<Map<String, dynamic>>? toolServers;
     final uiSettings = userSettingsData?['ui'] as Map<String, dynamic>?;
-    final rawServers = uiSettings != null ? (uiSettings['toolServers'] as List?) : null;
+    final rawServers = uiSettings != null
+        ? (uiSettings['toolServers'] as List?)
+        : null;
     if (rawServers != null && rawServers.isNotEmpty) {
       try {
         toolServers = await _resolveToolServers(rawServers, api);
@@ -2377,8 +2470,9 @@ Future<void> _sendMessageInternal(
                     updatedAt: DateTime.now(),
                   );
 
-                  ref.read(activeConversationProvider.notifier).state =
+                  ref
-                      updatedConversation;
+                      .read(activeConversationProvider.notifier)
+                      .set(updatedConversation);
                 } else {
                   // Keep local messages and only refresh conversations list
                   ref.invalidate(conversationsProvider);
@@ -2614,7 +2708,7 @@ Future<void> _checkForTitleInBackground(
               title: updatedConv.title,
               updatedAt: DateTime.now(),
             );
-            ref.read(activeConversationProvider.notifier).state = updated;
+            ref.read(activeConversationProvider.notifier).set(updated);
 
             // Refresh the conversations list
             ref.invalidate(conversationsProvider);
@@ -2679,7 +2773,7 @@ Future<void> _saveConversationLocally(dynamic ref) async {
     }
 
     await storage.setString('conversations', jsonEncode(conversations));
-    ref.read(activeConversationProvider.notifier).state = updatedConversation;
+    ref.read(activeConversationProvider.notifier).set(updatedConversation);
     ref.invalidate(conversationsProvider);
   } catch (e) {
     // Handle local storage errors silently
@@ -2723,8 +2817,9 @@ Future<void> pinConversation(
     // Update active conversation if it's the one being pinned
     final activeConversation = ref.read(activeConversationProvider);
     if (activeConversation?.id == conversationId) {
-      ref.read(activeConversationProvider.notifier).state = activeConversation!
+      ref
-          .copyWith(pinned: pinned);
+          .read(activeConversationProvider.notifier)
+          .set(activeConversation!.copyWith(pinned: pinned));
     }
   } catch (e) {
     debugPrint('Error ${pinned ? 'pinning' : 'unpinning'} conversation: $e');
@@ -2743,7 +2838,7 @@ Future<void> archiveConversation(
 
   // Update local state first
   if (activeConversation?.id == conversationId && archived) {
-    ref.read(activeConversationProvider.notifier).state = null;
+    ref.read(activeConversationProvider.notifier).clear();
     ref.read(chatMessagesProvider.notifier).clearMessages();
   }
 
@@ -2761,7 +2856,7 @@ Future<void> archiveConversation(
 
     // If server operation failed and we archived locally, restore the conversation
     if (activeConversation?.id == conversationId && archived) {
-      ref.read(activeConversationProvider.notifier).state = activeConversation;
+      ref.read(activeConversationProvider.notifier).set(activeConversation);
       // Messages will be restored through the listener
     }
 
@@ -2796,7 +2891,7 @@ Future<void> cloneConversation(WidgetRef ref, String conversationId) async {
     final clonedConversation = await api.cloneConversation(conversationId);
 
     // Set the cloned conversation as active
-    ref.read(activeConversationProvider.notifier).state = clonedConversation;
+    ref.read(activeConversationProvider.notifier).set(clonedConversation);
     // Load messages through the listener mechanism
     // The ChatMessagesNotifier will automatically load messages when activeConversation changes
 
@@ -2841,7 +2936,7 @@ final regenerateLastMessageProvider = Provider<Future<void> Function()>((ref) {
       final prev = ref.read(imageGenerationEnabledProvider);
       try {
         // Force image generation enabled during regeneration
-        ref.read(imageGenerationEnabledProvider.notifier).state = true;
+        ref.read(imageGenerationEnabledProvider.notifier).set(true);
         await regenerateMessage(
           ref,
           lastUserMessage.content,
@@ -2849,7 +2944,7 @@ final regenerateLastMessageProvider = Provider<Future<void> Function()>((ref) {
         );
       } finally {
         // restore previous state
-        ref.read(imageGenerationEnabledProvider.notifier).state = prev;
+        ref.read(imageGenerationEnabledProvider.notifier).set(prev);
       }
       return;
     }

lib/features/chat/providers/text_to_speech_provider.dart

@@ -49,8 +49,16 @@ class TextToSpeechState {
   }
 }
 
-class TextToSpeechController extends StateNotifier<TextToSpeechState> {
+class TextToSpeechController extends Notifier<TextToSpeechState> {
-  TextToSpeechController(this._service) : super(const TextToSpeechState()) {
+  late final TextToSpeechService _service;
+  bool _handlersBound = false;
+  Future<bool>? _initializationFuture;
+
+  @override
+  TextToSpeechState build() {
+    _service = ref.watch(textToSpeechServiceProvider);
+    if (!_handlersBound) {
+      _handlersBound = true;
       _service.bindHandlers(
         onStart: _handleStart,
         onComplete: _handleCompletion,
@@ -59,10 +67,13 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
         onContinue: _handleContinue,
         onError: _handleError,
       );
-  }
 
-  final TextToSpeechService _service;
+      ref.onDispose(() {
-  Future<bool>? _initializationFuture;
+        unawaited(_service.stop());
+      });
+    }
+    return const TextToSpeechState();
+  }
 
   Future<bool> _ensureInitialized() {
     final existing = _initializationFuture;
@@ -78,7 +89,7 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
     final future = _service
         .initialize()
         .then((available) {
-          if (!mounted) {
+          if (!ref.mounted) {
             return available;
           }
 
@@ -90,7 +101,7 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
           return available;
         })
         .catchError((error, _) {
-          if (!mounted) {
+          if (!ref.mounted) {
             return false;
           }
 
@@ -132,7 +143,7 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
 
     final available = await _ensureInitialized();
     if (!available) {
-      if (!mounted) {
+      if (!ref.mounted) {
         return;
       }
       state = state.copyWith(
@@ -151,14 +162,14 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
 
     try {
       await _service.speak(text);
-      if (!mounted) {
+      if (!ref.mounted) {
         return;
       }
       if (state.status == TtsPlaybackStatus.loading) {
         state = state.copyWith(status: TtsPlaybackStatus.speaking);
       }
     } catch (e) {
-      if (!mounted) {
+      if (!ref.mounted) {
         return;
       }
       state = state.copyWith(
@@ -178,7 +189,7 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
 
   Future<void> stop() async {
     await _service.stop();
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(
@@ -189,14 +200,14 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
   }
 
   void _handleStart() {
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(status: TtsPlaybackStatus.speaking);
   }
 
   void _handleCompletion() {
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(
@@ -206,7 +217,7 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
   }
 
   void _handleCancellation() {
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(
@@ -216,21 +227,21 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
   }
 
   void _handlePause() {
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(status: TtsPlaybackStatus.paused);
   }
 
   void _handleContinue() {
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(status: TtsPlaybackStatus.speaking);
   }
 
   void _handleError(String message) {
-    if (!mounted) {
+    if (!ref.mounted) {
       return;
     }
     state = state.copyWith(
@@ -239,12 +250,6 @@ class TextToSpeechController extends StateNotifier<TextToSpeechState> {
       clearActiveMessageId: true,
     );
   }
-
-  @override
-  void dispose() {
-    unawaited(_service.stop());
-    super.dispose();
-  }
 }
 
 final textToSpeechServiceProvider = Provider<TextToSpeechService>((ref) {
@@ -256,7 +261,6 @@ final textToSpeechServiceProvider = Provider<TextToSpeechService>((ref) {
 });
 
 final textToSpeechControllerProvider =
-    StateNotifierProvider<TextToSpeechController, TextToSpeechState>((ref) {
+    NotifierProvider<TextToSpeechController, TextToSpeechState>(
-      final service = ref.watch(textToSpeechServiceProvider);
+      TextToSpeechController.new,
-      return TextToSpeechController(service);
+    );
-    });

lib/features/chat/services/file_attachment_service.dart

@@ -498,8 +498,9 @@ final fileAttachmentServiceProvider = Provider<dynamic>((ref) {
 });
 
 // State notifier for managing attached files
-class AttachedFilesNotifier extends StateNotifier<List<FileUploadState>> {
+class AttachedFilesNotifier extends Notifier<List<FileUploadState>> {
-  AttachedFilesNotifier() : super([]);
+  @override
+  List<FileUploadState> build() => [];
 
   void addFiles(List<File> files) {
     final newStates = files
@@ -536,6 +537,6 @@ class AttachedFilesNotifier extends StateNotifier<List<FileUploadState>> {
 }
 
 final attachedFilesProvider =
-    StateNotifierProvider<AttachedFilesNotifier, List<FileUploadState>>((ref) {
+    NotifierProvider<AttachedFilesNotifier, List<FileUploadState>>(
-      return AttachedFilesNotifier();
+      AttachedFilesNotifier.new,
-    });
+    );

lib/features/chat/services/message_batch_service.dart

@@ -523,16 +523,41 @@ final messageBatchServiceProvider = Provider<MessageBatchService>((ref) {
 });
 
 /// Provider for selected messages (for batch operations)
-final selectedMessagesProvider = StateProvider<Set<String>>((ref) {
+final selectedMessagesProvider =
-  return <String>{};
+    NotifierProvider<SelectedMessagesNotifier, Set<String>>(
-});
+      SelectedMessagesNotifier.new,
+    );
 
 /// Provider for batch operation mode
-final batchModeProvider = StateProvider<bool>((ref) {
+final batchModeProvider = NotifierProvider<BatchModeNotifier, bool>(
-  return false;
+  BatchModeNotifier.new,
-});
+);
 
 /// Provider for message filter
-final messageFilterProvider = StateProvider<MessageFilter?>((ref) {
+final messageFilterProvider =
-  return null;
+    NotifierProvider<MessageFilterNotifier, MessageFilter?>(
-});
+      MessageFilterNotifier.new,
+    );
+
+class SelectedMessagesNotifier extends Notifier<Set<String>> {
+  @override
+  Set<String> build() => <String>{};
+
+  void set(Set<String> messages) => state = Set<String>.from(messages);
+
+  void clear() => state = <String>{};
+}
+
+class BatchModeNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class MessageFilterNotifier extends Notifier<MessageFilter?> {
+  @override
+  MessageFilter? build() => null;
+
+  void set(MessageFilter? filter) => state = filter;
+}

lib/features/chat/views/chat_page.dart

@@ -92,7 +92,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
   void startNewChat() {
     // Clear current conversation
     ref.read(chatMessagesProvider.notifier).clearMessages();
-    ref.read(activeConversationProvider.notifier).state = null;
+    ref.read(activeConversationProvider.notifier).clear();
 
     // Scroll to top
     if (_scrollController.hasClients) {
@@ -140,7 +140,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
           'Default provider failed, selecting first model directly',
         );
         // Fallback: select the first available model
-        ref.read(selectedModelProvider.notifier).state = models.first;
+        ref.read(selectedModelProvider.notifier).set(models.first);
         DebugLogger.log('Fallback model selected: ${models.first.name}');
       }
     } catch (e) {
@@ -220,7 +220,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
         );
 
         if (!mounted) return;
-        ref.read(activeConversationProvider.notifier).state = welcomeConv;
+        ref.read(activeConversationProvider.notifier).set(welcomeConv);
         debugPrint('Auto-loaded demo conversation');
         return;
       }
@@ -296,7 +296,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
         }
         if (models.isNotEmpty) {
           selectedModel = models.first;
-          ref.read(selectedModelProvider.notifier).state = selectedModel;
+          ref.read(selectedModelProvider.notifier).set(selectedModel);
         }
       } catch (_) {
         // If models cannot be resolved, bail out without sending
@@ -1007,12 +1007,14 @@ class _ChatPageState extends ConsumerState<ChatPage> {
         if (!mounted) return;
         final current = ref.read(inputFocusTriggerProvider);
         // Immediate focus bump
-        ref.read(inputFocusTriggerProvider.notifier).state = current + 1;
+        ref
+            .read(inputFocusTriggerProvider.notifier)
+            .set(current + 1);
         // Second bump shortly after to overcome route/IME timing
         Future.delayed(const Duration(milliseconds: 120), () {
           if (!mounted) return;
           final cur2 = ref.read(inputFocusTriggerProvider);
-          ref.read(inputFocusTriggerProvider.notifier).state = cur2 + 1;
+          ref.read(inputFocusTriggerProvider.notifier).set(cur2 + 1);
         });
       });
       _didStartupFocus = true;
@@ -1327,8 +1329,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
                               final full = await api.getConversation(active.id);
                               ref
                                   .read(activeConversationProvider.notifier)
-                                      .state =
+                                  .set(full);
-                                  full;
                             } catch (e) {
                               debugPrint(
                                 'DEBUG: Failed to refresh conversation: $e',
@@ -1507,7 +1508,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
       if (hadFocus) {
         // Bump focus trigger to restore composer focus + IME
         final cur = ref.read(inputFocusTriggerProvider);
-        ref.read(inputFocusTriggerProvider.notifier).state = cur + 1;
+        ref.read(inputFocusTriggerProvider.notifier).set(cur + 1);
       }
     });
   }
@@ -1789,11 +1790,8 @@ class _ModelSelectorSheetState extends ConsumerState<_ModelSelectorSheet> {
                                     onTap: () {
                                       HapticFeedback.selectionClick();
                                       widget.ref
-                                              .read(
+                                          .read(selectedModelProvider.notifier)
-                                                selectedModelProvider.notifier,
+                                          .set(model);
-                                              )
-                                              .state =
-                                          model;
                                       Navigator.pop(context);
                                     },
                                   );

lib/features/chat/widgets/modern_chat_input.dart

@@ -115,7 +115,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
         _controller.text = text;
         _controller.selection = TextSelection.collapsed(offset: text.length);
         // Clear after applying so it doesn't re-apply on rebuilds
-        ref.read(prefilledInputTextProvider.notifier).state = null;
+        ref.read(prefilledInputTextProvider.notifier).clear();
       }
     });
 
@@ -131,7 +131,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
         final hasFocus = _focusNode.hasFocus;
         // Publish composer focus state
         try {
-          ref.read(composerHasFocusProvider.notifier).state = hasFocus;
+          ref.read(composerHasFocusProvider.notifier).set(hasFocus);
         } catch (_) {}
       });
     });
@@ -142,7 +142,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
   @override
   void dispose() {
     try {
-      ref.read(composerHasFocusProvider.notifier).state = false;
+      ref.read(composerHasFocusProvider.notifier).set(false);
     } catch (_) {}
     _controller.removeListener(_handleComposerChanged);
     _controller.dispose();
@@ -583,7 +583,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
           offset: incoming.length,
         );
         try {
-          ref.read(prefilledInputTextProvider.notifier).state = null;
+          ref.read(prefilledInputTextProvider.notifier).clear();
         } catch (_) {}
       });
     });
@@ -658,7 +658,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
             : Icons.search;
         void handleTap() {
           final notifier = ref.read(webSearchEnabledProvider.notifier);
-          notifier.state = !webSearchEnabled;
+          notifier.set(!webSearchEnabled);
         }
 
         quickPills.add(
@@ -676,7 +676,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
             : Icons.image;
         void handleTap() {
           final notifier = ref.read(imageGenerationEnabledProvider.notifier);
-          notifier.state = !imageGenEnabled;
+          notifier.set(!imageGenEnabled);
         }
 
         quickPills.add(
@@ -709,7 +709,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
             } else {
               current.add(id);
             }
-            ref.read(selectedToolIdsProvider.notifier).state = current;
+            ref.read(selectedToolIdsProvider.notifier).set(current);
           }
 
           quickPills.add(
@@ -1459,7 +1459,7 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
                 subtitle: l10n.webSearchDescription,
                 value: webSearchEnabled,
                 onChanged: (next) {
-                  modalRef.read(webSearchEnabledProvider.notifier).state = next;
+                  modalRef.read(webSearchEnabledProvider.notifier).set(next);
                 },
               ),
             );
@@ -1479,8 +1479,9 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
                 subtitle: l10n.imageGenerationDescription,
                 value: imageGenEnabled,
                 onChanged: (next) {
-                  modalRef.read(imageGenerationEnabledProvider.notifier).state =
+                  modalRef
-                      next;
+                      .read(imageGenerationEnabledProvider.notifier)
+                      .set(next);
                 },
               ),
             );
@@ -1507,8 +1508,9 @@ class _ModernChatInputState extends ConsumerState<ModernChatInput>
                     } else {
                       current.add(tool.id);
                     }
-                    modalRef.read(selectedToolIdsProvider.notifier).state =
+                    modalRef
-                        current;
+                        .read(selectedToolIdsProvider.notifier)
+                        .set(current);
                   },
                 );
               }).toList();

lib/features/navigation/widgets/chats_drawer.dart

@@ -43,9 +43,11 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
   bool _draggingHasFolder = false;
 
   // UI state providers for sections
-  static final _showArchivedProvider = StateProvider<bool>((ref) => false);
+  static final _showArchivedProvider =
-  static final _expandedFoldersProvider = StateProvider<Map<String, bool>>(
+      NotifierProvider<_ShowArchivedNotifier, bool>(_ShowArchivedNotifier.new);
-    (ref) => {},
+  static final _expandedFoldersProvider =
+      NotifierProvider<_ExpandedFoldersNotifier, Map<String, bool>>(
+        _ExpandedFoldersNotifier.new,
       );
 
   Future<void> _refreshChats() async {
@@ -694,7 +696,7 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
             onTap: () {
               final current = {...ref.read(_expandedFoldersProvider)};
               current[folderId] = !isExpanded;
-              ref.read(_expandedFoldersProvider.notifier).state = current;
+              ref.read(_expandedFoldersProvider.notifier).set(current);
             },
             onLongPress: () {
               HapticFeedback.selectionClick();
@@ -1065,7 +1067,7 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
           ),
           child: InkWell(
             borderRadius: BorderRadius.zero,
-            onTap: () => ref.read(_showArchivedProvider.notifier).state = !show,
+            onTap: () => ref.read(_showArchivedProvider.notifier).set(!show),
             overlayColor: WidgetStateProperty.resolveWith((states) {
               if (states.contains(WidgetState.pressed)) {
                 return theme.buttonPrimary.withValues(
@@ -1163,11 +1165,11 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
     final container = ProviderScope.containerOf(context, listen: false);
     try {
       // Mark global loading to show skeletons in chat
-      container.read(chat.isLoadingConversationProvider.notifier).state = true;
+      container.read(chat.isLoadingConversationProvider.notifier).set(true);
       _pendingConversationId = id;
 
       // Immediately clear current chat to show loading skeleton in the chat view
-      container.read(activeConversationProvider.notifier).state = null;
+      container.read(activeConversationProvider.notifier).clear();
       container.read(chat.chatMessagesProvider.notifier).clearMessages();
 
       // Close the drawer immediately for faster perceived performance
@@ -1185,21 +1187,22 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
       final api = container.read(apiServiceProvider);
       if (api != null) {
         final full = await api.getConversation(id);
-        container.read(activeConversationProvider.notifier).state = full;
+        container.read(activeConversationProvider.notifier).set(full);
       } else {
         // Fallback: use the lightweight item to update the active conversation
-        container
+        container.read(activeConversationProvider.notifier).set(
-            .read(activeConversationProvider.notifier)
+              (await container.read(
-            .state = (await container.read(
                 conversationsProvider.future,
-        )).firstWhere((c) => c.id == id);
+              ))
+                  .firstWhere((c) => c.id == id),
+            );
       }
 
       // Clear loading after data is ready
-      container.read(chat.isLoadingConversationProvider.notifier).state = false;
+      container.read(chat.isLoadingConversationProvider.notifier).set(false);
       _pendingConversationId = null;
     } catch (_) {
-      container.read(chat.isLoadingConversationProvider.notifier).state = false;
+      container.read(chat.isLoadingConversationProvider.notifier).set(false);
       _pendingConversationId = null;
     } finally {
       if (mounted) setState(() => _isLoadingConversation = false);
@@ -1311,6 +1314,20 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
   }
 }
 
+class _ShowArchivedNotifier extends Notifier<bool> {
+  @override
+  bool build() => false;
+
+  void set(bool value) => state = value;
+}
+
+class _ExpandedFoldersNotifier extends Notifier<Map<String, bool>> {
+  @override
+  Map<String, bool> build() => {};
+
+  void set(Map<String, bool> value) => state = Map<String, bool>.from(value);
+}
+
 class _DragConversationData {
   final String id;
   final String title;

lib/features/prompts/providers/prompts_providers.dart

@@ -9,4 +9,14 @@ final promptsListProvider = FutureProvider<List<Prompt>>((ref) async {
   return promptsService.getPrompts();
 });
 
-final activePromptCommandProvider = StateProvider<String?>((ref) => null);
+final activePromptCommandProvider =
+    NotifierProvider<ActivePromptCommandNotifier, String?>(
+      ActivePromptCommandNotifier.new,
+    );
+
+class ActivePromptCommandNotifier extends Notifier<String?> {
+  @override
+  String? build() => null;
+
+  void set(String? command) => state = command;
+}

lib/features/tools/providers/tools_providers.dart

@@ -8,4 +8,14 @@ final toolsListProvider = FutureProvider<List<Tool>>((ref) async {
   return await toolsService.getTools();
 });
 
-final selectedToolIdsProvider = StateProvider<List<String>>((ref) => []);
+final selectedToolIdsProvider =
+    NotifierProvider<SelectedToolIdsNotifier, List<String>>(
+      SelectedToolIdsNotifier.new,
+    );
+
+class SelectedToolIdsNotifier extends Notifier<List<String>> {
+  @override
+  List<String> build() => [];
+
+  void set(List<String> ids) => state = List<String>.from(ids);
+}

lib/shared/services/tasks/task_queue.dart

@@ -10,18 +10,23 @@ import 'outbound_task.dart';
 import 'task_worker.dart';
 
 final taskQueueProvider =
-    StateNotifierProvider<TaskQueueNotifier, List<OutboundTask>>((ref) {
+    NotifierProvider<TaskQueueNotifier, List<OutboundTask>>(
-  return TaskQueueNotifier(ref);
+      TaskQueueNotifier.new,
-});
+    );
-
-class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
-  TaskQueueNotifier(this._ref) : super(const []) {
-    _load();
-  }
 
+class TaskQueueNotifier extends Notifier<List<OutboundTask>> {
   static const _prefsKey = 'outbound_task_queue_v1';
-  final Ref _ref;
   final _uuid = const Uuid();
+  bool _bootstrapScheduled = false;
+
+  @override
+  List<OutboundTask> build() {
+    if (!_bootstrapScheduled) {
+      _bootstrapScheduled = true;
+      Future.microtask(_load);
+    }
+    return const [];
+  }
 
   bool _processing = false;
   final Set<String> _activeThreads = <String>{};
@@ -29,19 +34,24 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
 
   Future<void> _load() async {
     try {
-      final prefs = _ref.read(sharedPreferencesProvider);
+      final prefs = ref.read(sharedPreferencesProvider);
       final jsonStr = prefs.getString(_prefsKey);
       if (jsonStr == null || jsonStr.isEmpty) return;
       final raw = (jsonDecode(jsonStr) as List).cast<Map<String, dynamic>>();
       final tasks = raw.map(OutboundTask.fromJson).toList();
       // Only restore non-completed tasks
       state = tasks
-          .where((t) => t.status == TaskStatus.queued || t.status == TaskStatus.running)
+          .where(
-          .map((t) => t.copyWith(
+            (t) =>
+                t.status == TaskStatus.queued || t.status == TaskStatus.running,
+          )
+          .map(
+            (t) => t.copyWith(
               status: TaskStatus.queued,
               startedAt: null,
               completedAt: null,
-              ))
+            ),
+          )
           .toList();
       // Kick processing after load
       _process();
@@ -52,7 +62,7 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
 
   Future<void> _save() async {
     try {
-      final prefs = _ref.read(sharedPreferencesProvider);
+      final prefs = ref.read(sharedPreferencesProvider);
       final raw = state.map((t) => t.toJson()).toList(growable: false);
       await prefs.setString(_prefsKey, jsonEncode(raw));
     } catch (e) {
@@ -87,10 +97,7 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
     state = [
       for (final t in state)
         if (t.id == id)
-          t.copyWith(
+          t.copyWith(status: TaskStatus.cancelled, completedAt: DateTime.now())
-            status: TaskStatus.cancelled,
-            completedAt: DateTime.now(),
-          )
         else
           t,
     ];
@@ -102,10 +109,7 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
       for (final t in state)
         if ((t.maybeConversationId ?? '') == conversationId &&
             (t.status == TaskStatus.queued || t.status == TaskStatus.running))
-          t.copyWith(
+          t.copyWith(status: TaskStatus.cancelled, completedAt: DateTime.now())
-            status: TaskStatus.cancelled,
-            completedAt: DateTime.now(),
-          )
         else
           t,
     ];
@@ -177,7 +181,9 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
       // Pump while there is capacity and queued tasks remain
       while (true) {
         // Filter runnable tasks
-        final queued = state.where((t) => t.status == TaskStatus.queued).toList();
+        final queued = state
+            .where((t) => t.status == TaskStatus.queued)
+            .toList();
         if (queued.isEmpty) break;
 
         // Respect parallelism and one-per-thread
@@ -202,18 +208,23 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
         state = [
           for (final t in state)
             if (t.id == next.id)
-              next.copyWith(status: TaskStatus.running, startedAt: DateTime.now())
+              next.copyWith(
+                status: TaskStatus.running,
+                startedAt: DateTime.now(),
+              )
             else
               t,
         ];
         await _save();
 
         // Launch worker
-        unawaited(_run(next).whenComplete(() {
+        unawaited(
+          _run(next).whenComplete(() {
             _activeThreads.remove(threadKey);
             // After a task completes, try to schedule more
             _process();
-        }));
+          }),
+        );
       }
     } finally {
       _processing = false;
@@ -222,11 +233,14 @@ class TaskQueueNotifier extends StateNotifier<List<OutboundTask>> {
 
   Future<void> _run(OutboundTask task) async {
     try {
-      await TaskWorker(_ref).perform(task);
+      await TaskWorker(ref).perform(task);
       state = [
         for (final t in state)
           if (t.id == task.id)
-            t.copyWith(status: TaskStatus.succeeded, completedAt: DateTime.now())
+            t.copyWith(
+              status: TaskStatus.succeeded,
+              completedAt: DateTime.now(),
+            )
           else
             t,
       ];

lib/shared/services/tasks/task_worker.dart

@@ -49,7 +49,7 @@ class TaskWorker {
           final api = _ref.read(apiServiceProvider);
           if (api != null) {
             final conv = await api.getConversation(task.conversationId!);
-            _ref.read(activeConversationProvider.notifier).state = conv;
+            _ref.read(activeConversationProvider.notifier).set(conv);
           }
         } catch (_) {
           // If loading fails, proceed; send flow can create a new conversation
@@ -167,7 +167,7 @@ class TaskWorker {
           (active == null || active.id != task.conversationId)) {
         try {
           final conv = await api.getConversation(task.conversationId!);
-          _ref.read(activeConversationProvider.notifier).state = conv;
+          _ref.read(activeConversationProvider.notifier).set(conv);
         } catch (_) {}
       }
     } catch (_) {}
@@ -225,7 +225,7 @@ class TaskWorker {
           (active == null || active.id != task.conversationId)) {
         try {
           final conv = await api.getConversation(task.conversationId!);
-          _ref.read(activeConversationProvider.notifier).state = conv;
+          _ref.read(activeConversationProvider.notifier).set(conv);
         } catch (_) {}
       }
     } catch (_) {}
@@ -233,10 +233,10 @@ class TaskWorker {
     // Temporarily enable image-generation background flow for this send
     final prev = _ref.read(chat.imageGenerationEnabledProvider);
     try {
-      _ref.read(chat.imageGenerationEnabledProvider.notifier).state = true;
+      _ref.read(chat.imageGenerationEnabledProvider.notifier).set(true);
       await chat.sendMessageFromService(_ref, task.prompt, null, null);
     } finally {
-      _ref.read(chat.imageGenerationEnabledProvider.notifier).state = prev;
+      _ref.read(chat.imageGenerationEnabledProvider.notifier).set(prev);
     }
   }
 
@@ -368,7 +368,7 @@ class TaskWorker {
             title: title.length > 100 ? '${title.substring(0, 100)}...' : title,
             updatedAt: DateTime.now(),
           );
-          _ref.read(activeConversationProvider.notifier).state = updated;
+          _ref.read(activeConversationProvider.notifier).set(updated);
           // Do not push full messages to server; skip remote update.
           // Optionally refresh list to reflect server-side title when it’s generated there.
           _ref.invalidate(conversationsProvider);

lib/shared/utils/conversation_context_menu.dart

@@ -224,9 +224,9 @@ Future<void> _renameConversation(
     ref.invalidate(conversationsProvider);
     final active = ref.read(activeConversationProvider);
     if (active?.id == conversationId) {
-      ref.read(activeConversationProvider.notifier).state = active!.copyWith(
+      ref
-        title: newName,
+          .read(activeConversationProvider.notifier)
-      );
+          .set(active!.copyWith(title: newName));
     }
   } catch (_) {
     if (!context.mounted) return;
@@ -259,7 +259,7 @@ Future<void> _confirmAndDeleteConversation(
     HapticFeedback.mediumImpact();
     final active = ref.read(activeConversationProvider);
     if (active?.id == conversationId) {
-      ref.read(activeConversationProvider.notifier).state = null;
+      ref.read(activeConversationProvider.notifier).clear();
       ref.read(chat.chatMessagesProvider.notifier).clearMessages();
     }
     ref.invalidate(conversationsProvider);

pubspec.lock

@@ -161,6 +161,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.4"
+  cli_config:
+    dependency: transitive
+    description:
+      name: cli_config
+      sha256: ac20a183a07002b700f0c25e61b7ee46b23c309d76ab7b7640a028f18e4d99ec
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
   clock:
     dependency: transitive
     description:
@@ -173,10 +181,10 @@ packages:
     dependency: transitive
     description:
       name: code_builder
-      sha256: "0ec10bf4a89e4c613960bf1e8b42c64127021740fb21640c29c909826a5eea3e"
+      sha256: "11654819532ba94c34de52ff5feb52bd81cba1de00ef2ed622fd50295f9d4243"
       url: "https://pub.dev"
     source: hosted
-    version: "4.10.1"
+    version: "4.11.0"
   collection:
     dependency: transitive
     description:
@@ -193,6 +201,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.2"
+  coverage:
+    dependency: transitive
+    description:
+      name: coverage
+      sha256: "5da775aa218eaf2151c721b16c01c7676fbfdd99cebba2bf64e8b807a28ff94d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.15.0"
   cross_file:
     dependency: transitive
     description:
@@ -285,10 +301,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: e7e16c9d15c36330b94ca0e2ad8cb61f93cd5282d0158c09805aed13b5452f22
+      sha256: f2d9f173c2c14635cc0e9b14c143c49ef30b4934e8d1d274d6206fcb0086a06f
       url: "https://pub.dev"
     source: hosted
-    version: "10.3.2"
+    version: "10.3.3"
   file_selector_linux:
     dependency: transitive
     description:
@@ -391,10 +407,10 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_riverpod
-      sha256: "9532ee6db4a943a1ed8383072a2e3eeda041db5657cdf6d2acecf3c21ecbe7e1"
+      sha256: ca2480512a8e840291325249f4857e363ffa5d1b77b132e189c9313a9d9fb9e0
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "3.0.0"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -460,10 +476,10 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_tts
-      sha256: cbb3fd43b946e62398560235469e6113e4fe26c40eab1b7cb5e7c417503fb3a8
+      sha256: bdf2fc4483e74450dc9fc6fe6a9b6a5663e108d4d0dad3324a22c8e26bf48af4
       url: "https://pub.dev"
     source: hosted
-    version: "3.8.5"
+    version: "4.2.3"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -473,10 +489,10 @@ packages:
     dependency: "direct dev"
     description:
       name: freezed
-      sha256: da32f8ba8cfcd4ec71d9decc8cbf28bd2c31b5283d9887eb51eb4a0659d8110c
+      sha256: "13065f10e135263a4f5a4391b79a8efc5fb8106f8dd555a9e49b750b45393d77"
       url: "https://pub.dev"
     source: hosted
-    version: "3.2.0"
+    version: "3.2.3"
   freezed_annotation:
     dependency: "direct main"
     description:
@@ -569,10 +585,10 @@ packages:
     dependency: transitive
     description:
       name: image_picker_android
-      sha256: "28f3987ca0ec702d346eae1d90eda59603a2101b52f1e234ded62cff1d5cfa6e"
+      sha256: "8dfe08ea7fcf7467dbaf6889e72eebd5e0d6711caae201fdac780eb45232cd02"
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.13+1"
+    version: "0.8.13+3"
   image_picker_for_web:
     dependency: transitive
     description:
@@ -665,10 +681,10 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "8dcda04c3fc16c14f48a7bb586d4be1f0d1572731b6d81d51772ef47c02081e0"
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "11.0.1"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
@@ -749,6 +765,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
   octo_image:
     dependency: transitive
     description:
@@ -769,10 +793,10 @@ packages:
     dependency: "direct main"
     description:
       name: package_info_plus
-      sha256: "16eee997588c60225bda0488b6dcfac69280a6b7a3cf02c741895dd370a02968"
+      sha256: f69da0d3189a4b4ceaeb1a3defb0f329b3b352517f52bed4290f83d4f06bc08d
       url: "https://pub.dev"
     source: hosted
-    version: "8.3.1"
+    version: "9.0.0"
   package_info_plus_platform_interface:
     dependency: transitive
     description:
@@ -865,10 +889,10 @@ packages:
     dependency: transitive
     description:
       name: pool
-      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      sha256: "978783255c543aa3586a1b3c21f6e9d720eb315376a915872c61ef8b5c20177d"
       url: "https://pub.dev"
     source: hosted
-    version: "1.5.1"
+    version: "1.5.2"
   posix:
     dependency: transitive
     description:
@@ -905,10 +929,10 @@ packages:
     dependency: transitive
     description:
       name: record_android
-      sha256: "8361a791c9a3fa5c065f0b8b5adb10f12531f8538c86b19474cf7b56ea80d426"
+      sha256: "854627cd78d8d66190377f98477eee06ca96ab7c9f2e662700daf33dbf7e6673"
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.1"
+    version: "1.4.2"
   record_ios:
     dependency: transitive
     description:
@@ -961,10 +985,10 @@ packages:
     dependency: transitive
     description:
       name: riverpod
-      sha256: "59062512288d3056b2321804332a13ffdd1bf16df70dcc8e506e411280a72959"
+      sha256: "135723ec44dfba141bc4696224048a408336e794228a0117439e7ad0a8be6d05"
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "3.0.0"
   rxdart:
     dependency: transitive
     description:
@@ -1017,10 +1041,10 @@ packages:
     dependency: "direct main"
     description:
       name: share_plus
-      sha256: d7dc0630a923883c6328ca31b89aa682bacbf2f8304162d29f7c6aaff03a27a1
+      sha256: "3424e9d5c22fd7f7590254ba09465febd6f8827c8b19a44350de4ac31d92d3a6"
       url: "https://pub.dev"
     source: hosted
-    version: "11.1.0"
+    version: "12.0.0"
   share_plus_platform_interface:
     dependency: transitive
     description:
@@ -1093,6 +1117,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.2"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      sha256: c87c3875f91262785dade62d135760c2c69cb217ac759485334c5857ad89f6e3
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.3"
   shelf_web_socket:
     dependency: transitive
     description:
@@ -1126,10 +1166,10 @@ packages:
     dependency: transitive
     description:
       name: source_gen
-      sha256: "7b19d6ba131c6eb98bfcbf8d56c1a7002eba438af2e7ae6f8398b2b0f4f381e3"
+      sha256: "800f12fb87434defa13432ab37e33051b43b290a174e15259563b043cda40c46"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.0"
+    version: "4.0.0"
   source_helper:
     dependency: transitive
     description:
@@ -1138,6 +1178,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.8"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      sha256: c0713a43e323c3302c2abe2a1cc89aa057a387101ebd280371d6a6c9fa68516b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      sha256: "190222579a448b03896e0ca6eca5998fa810fda630c1d65e2f78b3f638f54812"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.13"
   source_span:
     dependency: transitive
     description:
@@ -1274,6 +1330,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.2"
+  test:
+    dependency: transitive
+    description:
+      name: test
+      sha256: "65e29d831719be0591f7b3b1a32a3cda258ec98c58c7b25f7b84241bc31215bb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.26.2"
   test_api:
     dependency: transitive
     description:
@@ -1282,6 +1346,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.6"
+  test_core:
+    dependency: transitive
+    description:
+      name: test_core
+      sha256: "80bf5a02b60af04b09e14f6fe68b921aad119493e26e490deaca5993fef1b05a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.11"
   timing:
     dependency: transitive
     description:
@@ -1318,10 +1390,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_android
-      sha256: "69ee86740f2847b9a4ba6cffa74ed12ce500bbe2b07f3dc1e643439da60637b7"
+      sha256: "199bc33e746088546a39cc5f36bac5a278c5e53b40cb3196f99e7345fdcfae6b"
       url: "https://pub.dev"
     source: hosted
-    version: "6.3.18"
+    version: "6.3.22"
   url_launcher_ios:
     dependency: transitive
     description:
@@ -1406,18 +1478,18 @@ packages:
     dependency: "direct main"
     description:
       name: wakelock_plus
-      sha256: a474e314c3e8fb5adef1f9ae2d247e57467ad557fa7483a2b895bc1b421c5678
+      sha256: "9296d40c9adbedaba95d1e704f4e0b434be446e2792948d0e4aa977048104228"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.2"
+    version: "1.4.0"
   wakelock_plus_platform_interface:
     dependency: transitive
     description:
       name: wakelock_plus_platform_interface
-      sha256: e10444072e50dbc4999d7316fd303f7ea53d31c824aa5eb05d7ccbdd98985207
+      sha256: "036deb14cd62f558ca3b73006d52ce049fabcdcb2eddfe0bf0fe4e8a943b5cf2"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.3"
+    version: "1.3.0"
   watcher:
     dependency: transitive
     description:
@@ -1450,6 +1522,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  webkit_inspection_protocol:
+    dependency: transitive
+    description:
+      name: webkit_inspection_protocol
+      sha256: "87d3f2333bb240704cd3f1c6b5b7acd8a10e7f0bc28c28dcf14e782014f4a572"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
   win32:
     dependency: transitive
     description:
@@ -1484,4 +1564,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.9.0 <4.0.0"
-  flutter: ">=3.29.0"
+  flutter: ">=3.35.0"

pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
     sdk: flutter
   
   # State Management
-  flutter_riverpod: ^2.6.1
+  flutter_riverpod: ^3.0.0
   
   # Network & API
   dio: ^5.9.0
@@ -39,16 +39,16 @@ dependencies:
   # Platform Features
   record: ^6.1.1
   stts: ^1.2.5
-  flutter_tts: ^3.8.5
+  flutter_tts: ^4.2.3
   image_picker: ^1.2.0
-  file_picker: ^10.3.2
+  file_picker: ^10.3.3
   path_provider: ^2.1.4
   
   # Utilities
   path: ^1.9.0
   uuid: ^4.5.0
   crypto: ^3.0.3
-  package_info_plus: ^8.3.1
+  package_info_plus: ^9.0.0
   url_launcher: ^6.3.0
   intl: ^0.20.2
 
@@ -56,8 +56,8 @@ dependencies:
   cupertino_icons: ^1.0.8
   json_annotation: ^4.9.0
   freezed_annotation: ^3.0.0
-  wakelock_plus: ^1.2.10
+  wakelock_plus: ^1.4.0
-  share_plus: ^11.1.0
+  share_plus: ^12.0.0
   share_handler: ^0.0.19
   
   # Clipboard functionality is available through flutter/services (part of Flutter SDK)