Returns {
lowerAllHands: () => Promise<void>;
raisedHands: Map<string, number>;
toggleHandRaised: () => Promise<void>;
}
Object containing raisedHands (Set of user IDs) and actions
(toggleHandRaised, lowerAllHands)
lowerAllHands: () => Promise<void>
raisedHands: Map<string, number>
toggleHandRaised: () => Promise<void>
Access hand raise state and controls.
Provides the set of user IDs with raised hands and actions to toggle the local user's hand or lower all hands (owner only).