{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Schéma d'extraction pour pièces justificatives",
  "type": "object",
  "properties": {
    "type_piece": {
      "type": "string",
      "enum": ["identite", "justificatif_revenus", "justificatif_patrimoine", "assurance", "diagnostic", "plan_cadastral", "autre"]
    },
    "nom_piece": {
      "type": "string",
      "description": "Nom de la pièce"
    },
    "emetteur": {
      "type": "string",
      "description": "Organisme émetteur de la pièce"
    },
    "date_emission": {
      "type": "string",
      "description": "Date d'émission de la pièce",
      "pattern": "^\\d{1,2}[/-]\\d{1,2}[/-]\\d{2,4}$"
    },
    "date_expiration": {
      "type": "string",
      "description": "Date d'expiration de la pièce",
      "pattern": "^\\d{1,2}[/-]\\d{1,2}[/-]\\d{2,4}$"
    },
    "numero_piece": {
      "type": "string",
      "description": "Numéro de la pièce"
    },
    "personne_concernee": {
      "type": "string",
      "description": "Personne concernée par la pièce"
    },
    "montant": {
      "type": "string",
      "description": "Montant mentionné dans la pièce"
    },
    "validite": {
      "type": "string",
      "enum": ["valide", "expiree", "expirant", "invalide"],
      "description": "Statut de validité de la pièce"
    },
    "references": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Références liées à la pièce"
    },
    "notes": {
      "type": "string",
      "description": "Notes sur la pièce"
    }
  },
  "required": ["type_piece", "nom_piece"],
  "additionalProperties": false
}