The system user the watcher + runner (and every created/started bridge) run as.
OptionalPollPoll cadence (ms). Defaults to DEFAULT_POLL_INTERVAL_MS.
The server metadata provider all reads/writes run under.
The Teams meetings config — supplies the bot Graph access token for calendar polling.
The Teams meetings service (shared with the ingress) — supplies the scheduled-join bind-sdk.
Options for StartCalendarScheduler.