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    "headline": "The Rerun Reproduced Failure More Often Than It Repaired It",
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    "dek": "SymTrace replays multi-agent trajectories from intervention anchors to separate causal repair from lucky resampling.",
    "summary": "SymTrace replays multi-agent trajectories from intervention anchors to separate causal repair from lucky resampling.",
    "body_text": "Across 536 human-annotated failures in three frameworks, unguided reruns reproduced failures 67.97 percent of the time but repaired only 6.90 percent. A symptom-driven intervention repaired 20.15 percent, a reported 191.89 percent improvement over the studied repair methods while still leaving most failures unresolved.",
    "why_it_matters": "SymTrace replays multi-agent trajectories from intervention anchors to separate causal repair from lucky resampling.",
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      "Across 536 human-annotated failures in three frameworks, unguided reruns reproduced failures 67.97 percent of the time but repaired only 6.90 percent."
    ],
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        "qualification": "Across 536 human-annotated failures in three frameworks, unguided reruns reproduced failures 67.97 percent of the time but repaired only 6.90 percent."
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    "tags": [
      "multi-agent debugging",
      "failure replay",
      "repair"
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  "sources": [
    {
      "source_id": "source-2026-08-27-007",
      "title": "arXiv preprint 2608.25920",
      "publisher": "arXiv",
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    "title": "The Rerun Reproduced Failure More Often Than It Repaired It",
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