- Fetch timed LRC lyrics from LRCLIB API (Navidrome fallback for plain text)
- Synced lyrics component with auto-scroll, active line highlighting, and tap-to-seek
- Past lines fade out, current line enlarges — Spotify-style karaoke experience
- Add "Download All" button on expanded playlists for bulk offline download
- Button shows green checkmark when all songs already downloaded
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
