The messenger keeps them in its own stream asks (its manifest's streams, design 55 § 11), so they ride that
stream's subjects, as the checker's verdict does.
Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig
The checker's verdict and tag-wanted on its own family checker.asks, preview.written on its stream checks;
operator-channel written from the messenger's seat entry, decided its only seat event, offered and closed beside it.
Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig