- Added optimistic updates to notification mutations:
- markAsReadMutation: Optimistically marks notification as read
- markAllAsReadMutation: Optimistically marks all notifications as read
- Updated in both NotificationsPage and NotificationMenu
- Added optimistic updates to share link mutations:
- createShareMutation: Optimistically adds share link to local state
- revokeShareMutation: Optimistically removes share link from local state
- Added optimistic updates to chat mutations:
- leaveRoomMutation: Optimistically removes conversation from list
- deleteRoomMutation: Optimistically removes conversation from list
- Added optimistic update to reorder mutation:
- useReorderPlaylistTracks: Optimistically reorders tracks in playlist
- All mutations include:
- onMutate: Cancel queries, snapshot previous state, apply optimistic update
- onError: Rollback to previous state
- onSuccess: Invalidate queries for consistency
- Action 4.4.1.5 complete (18 mutations with optimistic updates)
