6f11b364aa
- Adds extra=topTracks to artist/page API request - Embeds a List::Tracks widget at the top of ArtistView showing the artist's most popular tracks, with Play and Shuffle buttons - Bubbles playTrackRequested through MainContent up to MainWindow - Also adds the viz PCM ring buffer FFI infrastructure (for future spectrum widget) to the Rust backend Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>