OptionalApplicationOptional owning application id (e.g. the Meet app) so its surface can list its rooms.
OptionalApplicationOptional owning application NAME (e.g. 'Meet') — resolved to an id lazily on first use (cached), so
the binding site doesn't hardcode a seed GUID. Ignored when ApplicationID is supplied.
OptionalApplicationScope of the room conversation. 'Application' keeps it OUT of the normal chat list. Default 'Application'.
The MJ: Conversations.Type to stamp (e.g. 'Meeting Room') — the semantic label for room transcripts.
Options that shape the room conversation — supplied by the binding site so the engine stays generic.