- Redesign download cards to be significantly more compact
- Add CSS custom properties for theming
- Add theme switcher (Light, Dark, Mono) with localStorage persistence
- Update README with environment variable Docker deployment docs
- Update Docker Compose example to use environment: instead of volume mount
- Fix seriesMap key (use Sonarr internal id, not tvdbId)
- Fix Sonarr tag resolution (use tag map like Radarr)
- Use sourceTitle for history record matching
- Fall back to embedded movie/series objects when API timeouts
- Add includeMovie/includeSeries params to queue/history API calls
- Add coverArt field to all download responses (TMDB poster URLs)
- Add cover art display to frontend download cards
- Fix user-summary route to use instance config and tag maps
