Queue/History:
- Removed History as separate tab from header
- Added History as sub-tab within QueuePanel
- Sub-tabs: Queue | History with counts
- Removed history-focus from focus mode tabs
- Removed keyboard shortcut 'H' and '5' for history
Background transition:
- Added 400ms crossfade when artwork changes
- Works for both WebGL and CSS fallback renderers
- Fades out, loads new texture, fades back in
vicrodh
c968beefa0