Active users in the whiteboard
Broadcast a whiteboard update
Whether connected to room
Whether the current user is the owner
Whether owner is present (for non-owners)
Whether in read-only mode
Request full state from owner
Send full state to a specific user
Throttled version of broadcastUpdate for high-frequency events. Limits broadcasts to once per broadcastThrottleInterval (default 50ms = 20 updates/sec). Includes a cancel() method to cancel pending broadcasts.
Sync hook return type