{
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  "timestamp": "2026-04-14T20:32:37.730415+00:00",
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    "avg_reward": 0.44,
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    "avg_latency_ms": 0.0
  },
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  },
  "promotion_decision": {
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    "reasons": [
      "Reward delta 0.0000 below minimum 1.0"
    ],
    "metrics": {
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  "promoted_version_id": null,
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  "dry_run": false
}