clientLoom
A client Loom over one shared in-memory link. Multiplexes each hosted/joined room name onto its own channel (via MuxClientLoom), so it plugs straight into SeamRoomFactory.
host(pattern) and join(tag) route by the rendezvous session name, which must match a server room's Pattern.sessionName.
Parameters
peerId
this client's identity.
random
seeded Random for this client's mesh-seam nonce generation — pass a distinct seed per client.
principal
optional host-verified Principal attested onto this client's server-end connection (see clientSeam). Defaults to null.