76edaa25a4
- Add `ReaderTtsMediaService` to handle background playback, media controls, and notifications on Android - Integrate `MediaSessionCompat` to support external media controls and lock screen integration - Add `ReaderTtsMediaBridge` for synchronized state communication between Kotlin and Flutter - Update `TtsNotifier` to use the native Android service when available, with a fallback for other platforms - Implement sentence-level highlighting and tapping to start reading from a specific location - Update Android manifest with necessary permissions for foreground services and notifications - Adjust TTS speech rate constants and improve playback health monitoring and recovery logic