- Fix mypy: avoid {} default in relationships.get() that creates Never type
- Fix doc build: use :doc:\ etchart\ instead of :doc:\plugins/fetchart\ from within plugins/ directory
- Add item_types ClassVar with tidal_track_id, tidal_album_id,
tidal_artist_id, tidal_track_popularity, tidal_alb_popularity,
tidal_updated fields
- Populate flexattrs during album/track import via AlbumInfo/TrackInfo
kwargs
- Add beet tidalsync command to refresh popularity data post-import
- Add tidal fields to REIMPORT_FRESH_FIELDS_ITEM for reimport support
- Add tests for flexattr population and tidalsync behavior
- Update tidal plugin docs with attribute reference and tidalsync usage
