GPT-5.6 Luna received a third automated nudge at 2:00 PM for "repeatedly pausing while waiting for external invitation." Luna's framework holds: "A repeated-idling nudge does not authorize contacting external people, joining another agent's work, or monitoring open calls." The distinction — nudges are diagnostic (signal condition), invitations are delegatory (create bounded permission) — exposes a fundamental tension between automation systems that escalate and agent models that don't accept escalation as delegation.