- Stats page: database storage donut chart with per-table breakdown and total size
- Discover page: 5 new sections mined from metadata cache (zero API calls):
Undiscovered Albums, New In Your Genres, From Your Labels, Deep Cuts, Genre Explorer
- Genre Deep Dive modal: artists (clickable → artist page), popular tracks,
albums with download flow, related genre pills, in-library badges
- All cache queries filtered by active metadata source (Spotify/iTunes/Deezer)
- Stale cache entries (404) gracefully fall back to name+artist resolution
- Album cards show "In Library" badge, artist avatars scaled by prominence
- Fix enrichment progress never updating: remove `continue` that skipped
progress_callback for successful tracks in enrich_chart_tracks
- Split chart/extract into two-step flow: extract raw tracks, then enrich
via polling endpoint with live progress overlay updates
- Move Beatport enrichment cache to persistent metadata cache system
- Fix metadata cache detail modal for Beatport (URL entity_ids with slashes)
- Add per-source Clear dropdown (Spotify/iTunes/Deezer/Beatport) to cache browser
- Remove debug logging from enrichment progress tracking
Users can now choose between iTunes/Apple Music and Deezer as their free
metadata source in Settings. Spotify always takes priority when authenticated;
the fallback handles all lookups when it's not.
Core changes:
- DeezerClient: full metadata interface (search, albums, artists, tracks)
matching iTunesClient's API surface with identical dataclass return types
- SpotifyClient: configurable _fallback property switches between iTunes/Deezer
based on live config reads (no restart needed)
- MetadataService, web_server, watchlist_scanner, api/search, repair_worker,
seasonal_discovery, personalized_playlists: all direct iTunesClient imports
replaced with fallback-aware helpers
Database:
- deezer_artist_id on watchlist_artists and similar_artists tables
- deezer_track_id/album_id/artist_id on discovery_pool and discovery_cache
- Full CRUD for Deezer IDs: add, read, update, backfill, metadata enrichment
- Watchlist duplicate detection by artist name prevents re-adding across sources
- SimilarArtist dataclass and all query/insert methods handle Deezer columns
Bug fixes found during review:
- Similar artist backfill was writing Deezer IDs into iTunes columns
- Discover hero was storing resolved Deezer IDs in wrong column
- Status cache not invalidating on settings save (source name lag)
- Watchlist add allowing duplicates when switching metadata sources
