Exemple de mise à jour par identifiant du logiciel métier avec ajout de pièces

{
  "version_format": "1.0",
  "en_tete": {
    "id_lot": "LOT-20260625-0002",
    "date_lot": "2026-06-25T14:30:00+02:00",
    "environnement": "production",
    "sens_transmission": "EMETTEUR_VERS_ERP",
    "type_flux": "IMPORT_DOSSIERS",
    "emetteur": {
      "type": "PRESTATAIRE",
      "code": "RAYDOCS",
      "nom": "Raydocs"
    },
    "destinataire": {
      "type": "ERP",
      "code": "ETUDE_DUPONT",
      "nom": "SCP Dupont",
      "logiciel": "LOGICIEL_METIER"
    }
  },
  "service_destinataire": {
    "code": "SVC-CONTENTIEUX"
  },
  "dossiers": [
    {
      "reference_dossier_destinataire": "DOS-ERP-123456",
      "evenements": [
        {
          "code_evenement": "AJOUT_PIECE",
          "date_effet": "2026-06-25",
          "libelle": "Ajout de pièces au dossier"
        }
      ],
      "pieces_jointes": [
        {
          "reference_piece": "PIECE-20260625-001",
          "nom": "mandat.eml",
          "chemin": "pieces/mandat.eml",
          "categorie": "courrier",
          "type": "EML",
          "mime_type": "message/rfc822",
          "hash": "sha256:abcdef"
        },
        {
          "reference_piece": "PIECE-20260625-002",
          "nom": "decompte.pdf",
          "chemin": "pieces/decompte.pdf",
          "categorie": "decompte",
          "type": "PDF",
          "mime_type": "application/pdf"
        }
      ]
    }
  ]
}