When kicked out of a Swarm, conversations still appears and make it like you can still discuss
This would probably require the daemon to be able to put Swarm into an "archive" state that is read-only.
This behaviour has been observed in both client-qt and client-android:
(for some reason my name doesn't appear in client-qt)
Sending a message returns the following error:
[1693497329.637|56019|conversationrepository.cpp:1715] Invalid parent path (not in members or admins
[1693497329.637|56019|conversation_module.cpp :1077] Failed to send message to conversation 9d864ebe6712f18d1790b70d8ba7b605f78e63ac