{
  "report_id": "report-a7c13fda-3bc4-40fe-8005-1ea30070e87d",
  "timestamp": "2026-04-14T15:02:28.835899+00:00",
  "source_trajectory_ids": [
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    "avg_latency_ms": 0.0
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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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}