v1.2.0

• Settings dialog with theme selector (light/dark/auto) and feature toggles
• Volume lock: lock a speaker's volume via UI or API
• Update banner: checks GitHub for new releases and shows indicator in sidebar
• Fixed group members list not updating correctly

v1.1.0

• Playlist browser: click now-playing to browse and jump to any track
• Transfer active queue to a different speaker mid-playback
• Play button restarts finished playlist from the beginning
• Group child players always visible when group is active
• Speakers with own playlists break out of group display
• Song prefetch on playlist/album/artist open to reduce play delay
• Chromecast discovery retains devices for 1 hour on mDNS miss
• Version info and changelog in sidebar