feat: Enhance chapter list and TTS functionality

- Introduced ChapterListQuery and ChapterListPage classes for better chapter management.
- Updated chapterListProvider to handle pagination and canonical ID resolution.
- Improved ReaderScreen with enhanced TTS features, including auto-scroll to active paragraph and better handling of TTS state.
- Added TtsPlayerWidget with compact mode and improved UI for TTS controls.
- Enhanced TtsService to manage speech segments and background mode for TTS.
- Implemented battery optimization checks for TTS background mode on Android.
- Updated main.dart to ensure proper error handling in a zoned environment.

lib/features/auth/providers/auth_provider.dart

@@ -144,6 +144,11 @@ class AuthNotifier extends StateNotifier<AuthState> {
     await _store.clear();
     state = AuthUnauthenticated();
   }
+
+  Future<void> handleSessionExpired() async {
+    await _store.clear();
+    state = AuthUnauthenticated();
+  }
 }
 
 final authProvider = StateNotifierProvider<AuthNotifier, AuthState>((ref) {