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      ],
      "pair_missing_leads": [
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  },
  "cached_pair_metrics_sha256": "d3577c22d5800265589e6b6734dc42201194fa5f12320acf15ce4bc5e832ee02",
  "ratio_note": "Frozen empirical spread: original CPU-WRF vs CPU P0227 (theta +/-1 full-theta float32 ULP). References1/2 are guides; frozen gates remain separate.",
  "ratio_scope": "Pair spread is context, not fidelity truth, confidence interval or waiver. Original CPU-WRF supplies every blue deviation.",
  "validation_classification": "All eight breaches pass the frozen CPU-pair spread annex (L5). Raw failures retained; manager ledger a8c0fefbd."
}
