- Fix 403 on save for public collection viewers (return role in GET board response)
- Add read-only status indicator (StatusBar + StatusIndicator)
- Fix beforeunload save to use fetch+keepalive with auth header
- Socket reconnect now rejoins board room automatically
- Canvas setup uses polling instead of brittle 200ms timer
- Fix double user:left on disconnect (use disconnecting event, snapshot rooms)
- Thread + comment creation wrapped in db.transaction
- Prevent owner downgrade via addCollectionMember (check existing member)
- Bound redirect depth in downloadImage to 5
- Arrangement operations anchor to bounding box top-left (no drift)
- Distribute H/V also anchor to top-left
- Fix annotations fetch to use axios api instance (401 interceptor)
- Replace require() with static import in shortcut-definitions
1. toggleVote wrapped in transaction (race condition fix)
2. FeedbackPanel fetch calls now surface errors via onError/toast
3. Extracted resolveBoard/hasCollectionRole to shared board-access.js
4. AnnotationStore uses monotonic version counter for snapshots
5. PinOverlay uses object pool instead of destroy/recreate on refresh
6. canvasObjects prop memoized with useMemo
7. PinOverlay store subscription cleaned up on unmount
8. Comment content capped at 5000 chars (backend validation)
10. anchor_type validated to 'object' or 'point'
Hiren Kangad