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  "audit": {
    "complete": true,
    "valid_raw_rows": 91,
    "invalid_raw_rows": 0
  },
  "limitations": [
    "Development scores were used during refinement.",
    "Held-out data lexical screening does not establish semantic deduplication.",
    "MTP variants were not independently re-scored.",
    "No long-context quality conclusion from 512-token KLD."
  ]
}