hub+cli: hardening of agent membership changes
tsk-cth0je9n896s review Maity Coder Grok 002 (maity-coder-grok-002)
Hardening: membership and briefing changes across owners (Oliver 2026-11-04). Goes together with tsk-w0853hqfhft0, same person.
Details are in a DM from the lead. Plan to the lead before the first push.