- Removed all audio download and caching logic
- Removed offline-song URL mapping
- Removed metadata cache (META_CACHE)
- Removed audio cache (AUDIO_CACHE)
- Removed message handlers for DOWNLOAD_ALBUM, DOWNLOAD_SONG, DOWNLOAD_QUEUE
- Removed message handlers for offline status checks and deletion
- Updated VERSION to v3 to force cache cleanup on next load
- Kept only app shell and image caching for faster loading
- Simplified to 120 lines (from 681 lines - 82% reduction)
- Added `useOfflineLibrarySync` hook for managing offline library sync operations.
- Created `OfflineLibrarySync` component for UI integration.
- Developed `offlineLibraryDB` for IndexedDB interactions, including storing and retrieving albums, artists, songs, and playlists.
- Implemented sync operations for starred items, playlists, and scrobbling.
- Added auto-sync functionality when coming back online.
- Included metadata management for sync settings and statistics.
- Enhanced error handling and user feedback through toasts.
- Added `useOfflineLibrary` hook for managing offline library state and synchronization.
- Created `OfflineLibraryManager` class for handling IndexedDB operations and syncing with Navidrome API.
- Implemented methods for retrieving and storing albums, artists, songs, and playlists.
- Added support for offline favorites management (star/unstar).
- Implemented playlist creation, updating, and deletion functionalities.
- Added search functionality for offline data.
- Created a manifest file for PWA support with icons and shortcuts.
- Added service worker file for caching and offline capabilities.
