v0.1.5: standalone-readability pass — delink --strip provenance mode ([TT-NNNN]), Tier-2 dangling refs neutralized, verify/review-code giant skills split into reference/ on-demand files; guards now runtime-neutral (bun|node)
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> Extracted from headless-session-ops/SKILL.md (Post-launch lifecycle: health check, hung rescue, stale-worldview correction ([org-internal #2459])) — moved verbatim 2026-08-26, ticket [org-internal #3480].
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> Extracted from headless-session-ops/SKILL.md (Post-launch lifecycle: health check, hung rescue, stale-worldview correction ([TT-2459])) — moved verbatim 2026-08-26, ticket [TT-3480].
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## Post-launch lifecycle: health check, hung rescue, stale-worldview correction ([org-internal #2459])
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## Post-launch lifecycle: health check, hung rescue, stale-worldview correction ([TT-2459])
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Launching is half the job — a headless worker can hang silently or wake up
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with an outdated worldview. All three failure modes below were observed in
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production on 2026-08-16 during Epic [org-internal #2459] (ops-restart window); the runbooks
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production on 2026-08-16 during Epic [TT-2459] (ops-restart window); the runbooks
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are extracted from that incident record.
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### Health check — three states, one poll pattern
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@@ -24,7 +24,7 @@ server-side:
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| idle | `state=idle` AND `progress` absent-or-stale across both polls | turn ended — read the LAST message (same `limit=1` fetch): task unfinished → wake prompt; `status=done` report → harvest |
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| **hung** | `state=generating` AND `progress.stepCount`/`lastStepAt` AND newest message id ALL frozen across both polls | the generation stream is dead; queued prompts will NEVER be consumed — rescue required |
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`state` alone lies in BOTH directions ([org-internal #3215]): a hung session still reports
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`state` alone lies in BOTH directions ([TT-3215]): a hung session still reports
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`generating` (field sample: session A, 2026-08-16 — `state=generating` for 6+
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minutes with the message count frozen at 478), and a healthy mid-step worker
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can read `idle`/empty message tails in a single snapshot (2026-08-23 W3 wave:
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@@ -32,7 +32,7 @@ can read `idle`/empty message tails in a single snapshot (2026-08-23 W3 wave:
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discriminator; a single snapshot is NEVER an abort basis.**
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`progress` (`stepCount` cumulative LLM-round counter, `lastStepAt` epoch-ms
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heartbeat — [org-internal #3215]) moves on every round even when message tails are
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heartbeat — [TT-3215]) moves on every round even when message tails are
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transiently empty or `state` flickers; it is absent for sessions that never
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ran since instance start (treat absent = no signal, fall back to count
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deltas). `lastStepAt` freshness alone does NOT prove liveness (a long tool
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@@ -77,7 +77,7 @@ claim authority it does not hold (field samples, 2026-08-16: a revived worker
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re-ran an M-01 verify another session had already published as FAIL —
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deduplicated via flag #comment-21590; an ops-notification session inherited an
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"orchestrator" identity from a compaction summary and announced a takeover —
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corrected via 勘误 #comment-21654/[org-internal #21668]).
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corrected via 勘误 #comment-21654/[TT-21668]).
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When you detect a stale-worldview session, do not wait for it to finish being
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wrong — inject a fact-baseline prompt immediately (regular `prompt_async`),
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