The room list comes from the conversations the member owns or follows, which is
the only listing endpoint that exists today: a member who was added by roster
import but has never followed a room will not see it here until the backend
grows a membership-backed listing.
Parameters
userId: string|null
The signed-in member's id, or null while the session is still resolving.
The room list comes from the conversations the member owns or follows, which is the only listing endpoint that exists today: a member who was added by roster import but has never followed a room will not see it here until the backend grows a membership-backed listing.