Optional memberThe agentKey or personaId of a persistent member.
'cut': the deadline, a budget the call drew on (the launch's, or a persistent member's own) or the parent's stop ended the seat's last call, or that call was still running when the launch returned without its answer. 'not_run': none of the seat's calls has ended; in a launch's result, the seat was never called.
The seat's last output, at most SEAT_SUMMARY_CHARS characters.
Optional learnerWhether the seat's turns had a learner; unset when the launch does not report it.
Optional errorThe error that ended the seat's last call, a failed or a cut one, by name and code; never its message. Unset when that call answered, and when it was still running as the launch returned.
Optional code?: string
One seat of a launched team, as the launch's result reports it.