- Parallelize the six celery inspect.*() calls in /library/maintenance/
worker-status via asyncio.gather + to_thread, and drop per-call
timeout from 1.0s to 0.5s. Endpoint goes from ~6.1s to ~0.54s — it
was the sole bottleneck on opening the Settings dialog.
- SettingsDialog now fetches through React Query with enabled:isOpen,
so reopening shows cached data instantly while a background refetch
updates. Worker polling moved to refetchInterval. Loading spinners
only show when there's no cached data yet, so background refetches
don't keep them spinning.
- Move the Settings entry point from the TopBar to a pinned row at the
bottom of the LeftSidebar so it sits alongside the other library
controls. TopBar no longer takes onOpenSettings.
- Remove the "Scan all folders" bottom action from LeftSidebar — the
same control already lives in Settings → Library → Re-scan.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>