- itunesSearch: use r.text() + JSON.parse so empty body (rate-limit) returns [] instead of throwing
- reduce Spotify artwork batch size 8→4 to avoid hammering iTunes and affecting global search
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- _loadSpotifyTrackArtwork: rewritten to call itunesSearch() directly from browser (same as global search) instead of backend endpoint — same quality, works for all regions
- enriches track objects with collectionName, releaseDate, trackNumber, trackExplicitness so downloads get full metadata too
- 8-concurrent batch to avoid hammering iTunes
- adds onerror fallback to makeGlobalTrackItem img so broken URLs show 🎵 placeholder
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- track-artwork endpoint: split artist on ,/•/ before iTunes search (same as download flow)
- track-artwork endpoint: fall back to existingArt when iTunes returns nothing
- frontend: render any artwork already in Spotify data immediately, don't wait for iTunes
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>