{
  "scope": "numeric fields, coverage, period conflicts and source-record provenance; prose semantics need human review",
  "checks": [
    {
      "id": "complete",
      "passed": true,
      "errors": []
    },
    {
      "id": "missing_station",
      "passed": true,
      "errors": []
    },
    {
      "id": "period_mismatch",
      "passed": true,
      "errors": []
    }
  ],
  "passed": 3,
  "total": 3
}