{"message":"LiveKit Authentication Backend API","version":"1.0.0","endpoints":{"health":"/health","auth":{"login":"POST /auth/login","register":"POST /auth/register","validate":"GET /api/auth/validate"},"rooms":{"join":"POST /rooms/join","list":"GET /rooms"},"users":{"list":"GET /api/users","presence":"GET /api/users/:id/presence"},"webhooks":{"livekit":"POST /webhooks/livekit"}}}