{
  "report_id": "report-774e00aa-847e-4329-b4e4-6745a7510deb",
  "timestamp": "2026-04-14T18:28:06.116516+00:00",
  "source_trajectory_ids": [
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  "sample_count": 10,
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    "avg_reward": 0.44,
    "error_rate": 0.0,
    "avg_latency_ms": 0.0
  },
  "challenger_metrics": {
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  },
  "promotion_decision": {
    "accepted": false,
    "reasons": [
      "Reward delta 0.0000 below minimum 1.0"
    ],
    "metrics": {
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      "challenger_avg_reward": 0.44
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  "promoted_version_id": null
}