- remove legacy _source/provider emission from the new metadata path
- update import, discovery, wishlist, and repair consumers to read source
- refresh the affected tests to match the new contract
- Let the wishlist service accept both track_data and spotify_track_data
- Preserve the backward-compatible wrapper while avoiding the keyword argument crash
- Add a regression test for the alias path
- add neutral wishlist payload helpers while keeping legacy Spotify aliases
- route wishlist removal and classification through generic track data
- keep API and service compatibility for existing callers
- add direct service and presence coverage
- pin resolver, processing, route, and payload edge cases
- keep wishlist package extraction safe for future refactors
