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    "headline": "Eight Steps Were Enough to Flag Some Failing Runs",
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    "dek": "OnTrack compares streaming agent structure with successful trajectories at about a millisecond per step.",
    "summary": "OnTrack compares streaming agent structure with successful trajectories at about a millisecond per step.",
    "body_text": "On SWE-bench trajectories, the first eight steps improved failure ranking by 0.057 AUROC over content-similarity methods. A tested abort policy saved about 18% of compute destined for failing runs; five of six aborts were correct. Monitoring weakened as access to reference runs and schemas decreased.",
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      "agent monitoring",
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      "title": "arXiv preprint 2610.12375, original v1",
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    "title": "Eight Steps Were Enough to Flag Some Failing Runs",
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