- Fix playlist art: API returns images/images150/images300 arrays, not image_rectangle; update Rust model and Qt header to use images300 → images150 → images with fallback - Add Play (▶) and Shuffle (⇄) buttons to the album/playlist header; Play starts from track 1, Shuffle enables shuffle mode and plays from a randomised position Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>