استخراج بيانات الفواتير

{
  "document_type": "invoice",
  "supplier": {
    "name": "Nordwind Logistik GmbH",
    "vat_id": "DE811907980"
  },
  "invoice_number": "RE-2026-04412",
  "invoice_date": "2026-09-03",
  "due_date": "2026-10-03",
  "currency": "EUR",
  "lines": [
    {
      "description": "Pallet transport Hamburg–Rotterdam",
      "quantity": 12,
      "unit_price": 84.5,
      "net": 1014
    },
    {
      "description": "Fuel surcharge",
      "quantity": 1,
      "unit_price": 61.2,
      "net": 61.2
    }
  ],
  "net_total": 1075.2,
  "tax": {
    "rate": 19,
    "amount": 204.29
  },
  "gross_total": 1279.49,
  "checks": {
    "lines_sum_matches_net_total": true,
    "tax_recalculated": true
  }
}