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Engineer dispatch smoke-test-dies on KAI-SERVER and a death can orphan the issue - failover re-dispatch is not deterministic #595
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opened 2026-07-04 04:51:01 +00:00 by coilysiren
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recovery/2026-07-28-triaged-branch-archive
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issue-1584
issue-1571
issue-1524
ward-salvage/ward-3800c2d1
ward-salvage/ward-70175da3
ward-salvage/ward-bcbfef78
issue-1298
issue-737-signoz-deferred
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ward-salvage/ward-94dd7346
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ward-salvage/ward-ff6c509f
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ward-salvage/ward-de811c20
ward-salvage/ward-eba3e824
ward-salvage/ward-16eb4ad0
ward-salvage/ward-c58e9c43
ward-salvage/ward-7487270b
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burndown-2026-06
Backlog burndown June 2026
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Cold-read release pressure-test findings and coordination
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Burn-down by Sunday 2026-06-07
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coilyco-flight-deck/ward#595
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Summary
Engineer dispatch is smoke-test-dying on KAI-SERVER (the ward#222/#264 failure mode, live and recurring), and - the new and worse part - a smoke-test death does not reliably trigger a re-dispatch, so the carried issue is silently orphaned: it shows a reservation-then-release in its thread, no engineer is running, and no work happens, yet nothing signals that the run never started.
Evidence (one surface session, two dispatches, 2026-07-04)
Both engineer runs started on KAI-SERVER and smoke-test-died within ~7-8s. One got a lucky failover, one did not:
WARD-OUTCOME: done. Survived by failover.So whether a dispatch survives is a coin-flip on whether a retry happens to land on a healthy host, and when it does not, the failure is invisible from the issue state.
Two distinct defects
KAI-SERVER smoke-test death (recurrence of ward#222/#264). Containers exit before launching the agent on that host. This is the trigger, and it is live right now, not historical.
Failover orphaning gap (new).
ward container reapreleases the reservation on a smoke-test death ("a plain retry no longer needs --force") but does not re-queue the work. Re-dispatch, when it happens, is not part of the death-handling path - #593 got one, #594 did not. The result is an orphaned issue that reads as "was dispatched" while nothing is running and nothing will run. A smoke-test death should either deterministically re-dispatch (to a healthy host, or the same host after remediation) or leave a loud, machine-detectable "run never started - needs re-dispatch" marker on the issue, not a quiet reservation-release that looks benign.Impact
Silent work loss. An operator (or the director heartbeat) sees a reservation comment and assumes the run is in flight. The orphaned issue never lands and never signals failure. #594's catalog work simply did not happen and would have sat indefinitely undetected.
Proposed fix
Related
Filed from the surface session that dispatched both runs.
Cleared consult→headless (2026-07-07), but held one step behind #515 - both edit cmd/ward/container_reap.go, so firing concurrently would collide. Dispatch when #515 lands. Scope for this run = defect 2 only (the failover-orphan gap): a smoke-test death must own its retry - deterministic re-dispatch to a healthy host + a loud machine-detectable needs-redispatch marker on the issue, and don't route first attempts to a host currently failing the smoke check. Defect 1 (physically fix/drain KAI-SERVER's smoke-test death, ward#222/#264) is a host-ops tail, not this container run.
🔒 Reserved by
ward agent --driver claude— containerengineer-claude-ward-595on hostKAI-DESKTOP-TOWERis carrying this issue (reserved 2026-07-07T23:51:37Z). Concurrentward agentruns are blocked until it finishes or the reservation goes stale (2h0m0s TTL);--forceoverrides.Do not comment on or edit this issue to steer the run while it is reserved. The engineer seeded the body once at launch and never re-reads it, so a comment or edit reaches only human readers, never the running engineer. A correction goes to a new issue, dispatched fresh — that is the only channel that reaches a run in flight. Where the forge supports it, ward locks this conversation to make that a road-block rather than a convention (ward#494).
run seed context — what this run is carrying (ward#609)
coilyco-flight-deck/ward#595· branchissue-595· driverclaude· workflowdirect-mainengineer-claude-ward-595· wardv0.422.0· dispatched2026-07-07T23:51:37ZIssue body as seeded:
… (truncated to 2000 chars; full body is on this issue)
Static container doctrine and seed boilerplate are identical every run and omitted here (they ride ward v0.422.0).
— Claude (she/her), via
ward agentWARD-OUTCOME: done - pre-launch smoke-test deaths now own their retry (deterministic bounded re-dispatch) and leave a loud, machine-detectable needs-redispatch marker instead of a silent orphan.
Scoped to defect 2 as the thread asked, so this run never touched
container_reap.go(the #515 collision file) - the whole fix lives inagent_reserve.go(the release comment) andagent_director.go(the reconcile pass), which sidestepped the dependency entirely.The satisfying part was that the fix fell straight out of existing doctrine:
agent-director-dispatch.mdalready argues that a launch/infra failure which consumed no autonomous run must defer, not park terminally. The orphan bug was that exact rule missing on the reconcile side - a pre-launch death (container detached, then died at the ward#222 gate) was parked terminalfailedinstead of re-queued. So this is less a new mechanism than closing a gap the codebase already knew the shape of. Classification came out as a clean purereconcileNoOutcome/prelaunchDeathReleasepair, easy to unit-test.What fought back was purely the comment-discipline hook - two rounds of trimming doc-comments to the 2-line / 90-char cap. No logic churn.
Fairly confident in the two code paths (bounded retry + loud marker, both tested). One honest rough edge worth a follow-up: the thread also asked to not route first attempts to a host currently failing the smoke check. ward's director dispatches engineers on its own host with no cross-host health-aware router, so I couldn't implement true "route to a healthy host" here - the bounded-park-with-loud-marker is the backstop (a sick host parks
blockedloudly rather than looping or orphaning, and the marker lets another host pick it up). A host-side pre-dispatch smoke probe (mirroringward doctor's Ollama probe) would be the real fix and is worth its own issue. KAI-SERVER's physical remediation stays host-ops, as scoped.