The agent's room context. Resolved lazily: the bridge session exists only after the agent has started.
Aborts the delegated work in flight; returns how many runs were aborted.
Ends the conversation (stops this agent and hangs up the phone leg, if any).
The handoff engine (a Pick so tests inject a fake).
Resolves a directory entry to a destination, checking everything that can change while the server runs.
OptionalSettleOverride for the goodbye settle delay (tests).
The directory entries the agent can hand over to (supported ones only).
What the executor needs.