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Bound the wait for a handoff nobody answers

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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
This commit is contained in:
kami
2026-08-29 16:21:35 +04:00
parent 41658aea5b
commit c587f2cc8d
6 changed files with 225 additions and 4 deletions
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cmd/orchestra/main.go
+6
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@@ -1589,6 +1589,12 @@ func main() {
case "invalid_handoff":
typ = "TaskBlocked"
p, _ = json.Marshal(map[string]any{"blocker": b.LastError, "block_reason": string(domain.BlockReasonHandoffValidation), "harness_id": parts[3], "lease_epoch": b.LeaseEpoch, "expected_version": t.Version, "lifecycle_phase": "launch_nacked", "last_error": b.LastError, "session_evidence": b.SessionEvidence})
case "handoff_unanswered":
// F62: not a launch failure. The agent was asked to hand off
// and never did, so the reclaim says exactly that instead of
// arriving as an ordinary idle expiry.
typ = "TaskReleased"
p, _ = json.Marshal(map[string]any{"reason": "handoff_unanswered", "failure_class": b.FailureClass, "harness_id": parts[3], "lease_epoch": b.LeaseEpoch, "expected_version": t.Version, "lifecycle_phase": "handoff_unanswered", "last_error": b.LastError, "session_evidence": b.SessionEvidence})
case "launch_uncertain":
typ = "TaskNeedsAttention"
p, _ = json.Marshal(map[string]any{"blocker": b.LastError, "block_reason": string(domain.BlockReasonLeaseFailure), "harness_id": parts[3], "lease_epoch": b.LeaseEpoch, "expected_version": t.Version, "lifecycle_phase": "launch_uncertain", "last_error": b.LastError, "session_evidence": b.SessionEvidence})