{
  "schemaVersion": "fidc-selection-band-precheck-rejection/v1",
  "measuredAt": "2026-09-05T12:55:00+08:00",
  "host": "192.168.31.177",
  "candidateCommit": "e060af380ebfce6d9e802bb6e9677c11835fc0d0",
  "removalCommit": "42999ffa2cb6967315dc4c97220561c0611cda22",
  "implementation": {
    "description": "evaluate factor-backed market-cap band bounds before constructing StockExpressionState",
    "genericRankBenefitObserved": true,
    "orderedControlRegressionObserved": true,
    "retainedInProduction": false
  },
  "genericRankFiveYearContract": {
    "rankBy": "free_float_cap",
    "candidateProcessHotMedianEngineSeconds": 2.835,
    "acceptedBaselineProcessHotMedianEngineSeconds": 3.465,
    "observedImprovementPercent": 18.181818,
    "canonicalSha256": "84367993911b42437939aad88f29379d007af6f5f171667ff7ad6677dd488fd2",
    "tradeCount": 21876
  },
  "primaryFiveYearContract": {
    "candidateProcessHotMedianEngineSeconds": 2.565,
    "acceptedBaselineProcessHotMedianEngineSeconds": 2.441,
    "observedRegressionPercent": 5.079148,
    "canonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234",
    "tradeCount": 26088
  },
  "secondaryFiveYearContract": {
    "candidateProcessHotMedianEngineSeconds": 2.3465,
    "acceptedBaselineProcessHotMedianEngineSeconds": 2.17,
    "observedRegressionPercent": 8.133641,
    "canonicalSha256": "0dbd3fad624097c673c4a5ec2f545f95e9c21d1d5337bb2b48ffeb22b16cb2b9",
    "tradeCount": 19404
  },
  "fullMinuteRollbackContract": {
    "tradeCount": 156,
    "canonicalSha256": "457c086b1bca784fe83f447bb22451925e8f022456bb0fc7b54237a7a7886849",
    "resultStoreSha256": "04d804ee02ad7bc9b3649b4a2b4ddd902a4242ef38e00edeed8058860e9a6997",
    "terminalAuditStatus": "clean"
  },
  "acceptance": {
    "status": "rejected_cross_strategy_regression",
    "reason": "single generic-rank improvement cannot justify regressions in both standard ordered controls; candidate was removed from local, remote and deployed code"
  }
}