OptionalAgentThe agent session the event is about, when it concerns one.
Epoch-ms the event happened (server clock).
OptionalReasonA short machine-readable reason (e.g. HeldByOtherAgent, HumanSpeaking, LoopCapReached).
Monotonic per-room sequence number — poll with the last Seq seen to render only what is new.
OptionalToFor Yielded: the agent the floor was handed to.
What happened.
One recorded turn-taking event.