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F62. The rotation is agent-driven: the worker asks, and the agent must write its handoff. When the agent never does, renewals stopped on the ordinary progress gate, the lease expired, and the task lost an attempt with nothing on record saying a handoff had ever been requested. Run 16 showed only "agent status idle and pane unchanged", 34 times. The request is now stamped, and the wait around it is bounded. While Orchestra is explicitly waiting the lease renews, because a quiet pane is the answer the agent was told to give. The request is re-sent once after four minutes, with the reason it was first asked with. At ten minutes the worker nacks with failure class handoff_unanswered, and the coordinator releases the task naming that cause instead of letting the lease die as generic idleness. The class is known to DebtClassForFailureClass, so a harness that ignores handoff requests accumulates as its own debt item rather than hiding inside lease_expired. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CVbaKucEYBjMqVeUgJUsc1