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          "reference_accuracy_all": 0.0,
          "accuracy_on_valid": 0.0,
          "accuracy_all_wilson95": null,
          "historically_invalid_present": 0,
          "record_complete": true
        },
        "mid": {
          "prompted": 21,
          "submitted": 21,
          "valid": 21,
          "correct": 2,
          "missing": 0,
          "invalid": 0,
          "coverage": 1.0,
          "reference_accuracy_all": 0.09523809523809523,
          "accuracy_on_valid": 0.09523809523809523,
          "accuracy_all_wilson95": null,
          "historically_invalid_present": 0,
          "record_complete": true
        }
      },
      "scope": "historical fixed subset; no new inference; original validity flags and missing records preserved",
      "family_complete": {
        "families": 19,
        "complete_correct": 0,
        "rate": 0.0,
        "wilson95": [
          0,
          0.16817922405261626
        ]
      },
      "invalid_present_reasons": {},
      "fair_complete_run_comparison": true
    }
  },
  "status_translation_note": "historically_invalid_present does not identify an API error; use recorded invalid_present_reasons; missing means no comparable historical record"
}