{
  "provenance": "synthetic realistic scenarios, not customer records",
  "cases": [
    {
      "id": "pme-invoice-mixed-vat",
      "sector": "pme",
      "expected": {
        "reference": "FR-2026-0916-A",
        "supplier": "Papeterie du Canal SARL",
        "buyer": "Atelier Lierre SAS",
        "currency": "EUR",
        "lines": [
          {
            "sku": "PAP-A4",
            "quantity": 12,
            "unit_net_cents": 425,
            "vat_bps": 2000
          },
          {
            "sku": "LIV-GUIDE",
            "quantity": 3,
            "unit_net_cents": 1890,
            "vat_bps": 550
          },
          {
            "sku": "PORT",
            "quantity": 1,
            "unit_net_cents": 750,
            "vat_bps": 2000
          }
        ],
        "reported_total_cents": 13002
      },
      "expected_calculation": {
        "net_cents": 11520,
        "vat_cents": 1482,
        "total_cents": 13002,
        "matches_printed_total": true
      }
    },
    {
      "id": "pme-invoice-total-mismatch",
      "sector": "pme",
      "expected": {
        "reference": "INV-7814",
        "supplier": "North Quay Parts Ltd",
        "buyer": "Studio Mistral SARL",
        "currency": "EUR",
        "lines": [
          {
            "sku": "CABLE-C",
            "quantity": 4,
            "unit_net_cents": 210,
            "vat_bps": 2000
          }
        ],
        "reported_total_cents": 1000
      },
      "expected_calculation": {
        "net_cents": 840,
        "vat_cents": 168,
        "total_cents": 1008,
        "matches_printed_total": false
      }
    },
    {
      "id": "saas-support-incident",
      "sector": "saas",
      "expected": {
        "tenant": "Acorn Analytics",
        "ticket": "SUP-2041",
        "category": "incident",
        "priority": "urgent",
        "affected_users": 17,
        "refund_cents": null,
        "currency": null
      },
      "expected_calculation": {
        "queue": "oncall",
        "refund_cents": 0
      }
    },
    {
      "id": "saas-support-refund-correction",
      "sector": "saas",
      "expected": {
        "tenant": "Maison Sureau",
        "ticket": "SUP-2042",
        "category": "billing",
        "priority": "normal",
        "affected_users": null,
        "refund_cents": 3990,
        "currency": "EUR"
      },
      "expected_calculation": {
        "queue": "billing",
        "refund_cents": 3990
      }
    },
    {
      "id": "commerce-return-partial",
      "sector": "ecommerce",
      "expected": {
        "order": "WEB-88102",
        "currency": "EUR",
        "items": [
          {
            "sku": "MUG-BLUE",
            "return_quantity": 1,
            "paid_unit_cents": 1200
          }
        ],
        "refund_shipping_cents": 0,
        "reason": "damaged"
      },
      "expected_calculation": {
        "items_refund_cents": 1200,
        "total_refund_cents": 1200
      }
    },
    {
      "id": "commerce-return-multiple",
      "sector": "ecommerce",
      "expected": {
        "order": "FR-55109",
        "currency": "EUR",
        "items": [
          {
            "sku": "TSH-LIN-M",
            "return_quantity": 2,
            "paid_unit_cents": 1875
          },
          {
            "sku": "BELT-TAN",
            "return_quantity": 1,
            "paid_unit_cents": 2490
          }
        ],
        "refund_shipping_cents": 550,
        "reason": "size"
      },
      "expected_calculation": {
        "items_refund_cents": 6240,
        "total_refund_cents": 6790
      }
    }
  ]
}