{
  "schemaVersion": "1.0",
  "courseId": "dird-seminar",
  "labId": "claim-graph",
  "title": "Dossiers de provenance des demandes de la DIRD",
  "description": "Données de sources, d’inférence, de prévisions et de confiance.",
  "columns": [
    {
      "id": "claim_id",
      "label": "Pièce d’identité de réclamation",
      "type": "text",
      "unit": "identifier",
      "description": "Identifiant de réclamation stable."
    },
    {
      "id": "source_date",
      "label": "Date de la source",
      "type": "text",
      "unit": "ISO date",
      "description": "Date de publication ou de preuve."
    },
    {
      "id": "relationship",
      "label": "Relation",
      "type": "text",
      "unit": "label",
      "description": "Direct, déduit, contextuel ou contradictoire."
    },
    {
      "id": "evidence_cutoff",
      "label": "Coupure des preuves",
      "type": "text",
      "unit": "ISO date",
      "description": "Date de preuve recevable la plus tardive."
    },
    {
      "id": "forecast_score",
      "label": "Score de prévision",
      "type": "number",
      "unit": "dimensionless",
      "description": "Score de calibration prédéfini."
    },
    {
      "id": "confidence",
      "label": "Niveau de confiance",
      "type": "text",
      "unit": "label",
      "description": "Niveau de preuve après l’audit."
    }
  ]
}