{
  "contract_id": "reference-data-quality-contract",
  "required_columns": [
    "case_id",
    "split",
    "trace_id",
    "has_required_fields",
    "label",
    "prediction"
  ],
  "blocking_rules": {
    "missing_trace_rate": 0.0,
    "missing_required_fields_rate": 0.0
  }
}