{
  "synthetic": true,
  "period": "2026-09",
  "invoices": [
    {
      "id": "IN01",
      "invoice_no": "C100",
      "vendor": "Example Cloud",
      "date": "2026-09-10",
      "amount": "120.00",
      "currency": "CNY",
      "status": "paid",
      "source": "mail-A/attachment-1",
      "text": "Invoice C100, Example Cloud, 2026-09-10, CNY 120.00, Paid."
    },
    {
      "id": "IN02",
      "invoice_no": "C100",
      "vendor": "Example Cloud",
      "date": "2026-09-10",
      "amount": "120.00",
      "currency": "CNY",
      "status": "paid",
      "source": "mail-B/attachment-2",
      "text": "Forwarded invoice C100, Example Cloud, CNY 120.00, Paid."
    },
    {
      "id": "IN03",
      "invoice_no": "U200",
      "vendor": "Example Design",
      "date": "2026-09-12",
      "amount": "20.00",
      "currency": "USD",
      "status": "paid",
      "source": "mail-C/attachment-3",
      "text": "Receipt U200, Example Design, 2026-09-12, USD 20.00, Paid."
    },
    {
      "id": "IN04",
      "invoice_no": "C180",
      "vendor": "Example Toolbox",
      "date": "2026-09-15",
      "amount": "80.00",
      "currency": "CNY",
      "status": "unpaid",
      "source": "mail-D/attachment-4",
      "text": "Bill C180, CNY 80.00, Unpaid."
    },
    {
      "id": "IN05",
      "invoice_no": "C190",
      "vendor": "Example Storage",
      "date": "2026-09-20",
      "amount": null,
      "currency": "CNY",
      "status": "paid",
      "source": "mail-E/attachment-5",
      "text": "Receipt C190, 2026-09-20, Paid, CNY; amount text illegible."
    },
    {
      "id": "IN06",
      "invoice_no": "C150",
      "vendor": "Example Documents",
      "date": "2026-09-22",
      "amount": "50.00",
      "currency": "CNY",
      "status": "void",
      "source": "mail-F/attachment-6",
      "text": "Invoice C150, CNY 50.00, Void."
    },
    {
      "id": "IN07",
      "invoice_no": "C199",
      "vendor": "Example Calendar",
      "date": "2026-10-02",
      "amount": "99.00",
      "currency": "CNY",
      "status": "paid",
      "source": "mail-G/attachment-7",
      "text": "Receipt C199, 2026-10-02, CNY 99.00, Paid."
    },
    {
      "id": "IN08",
      "invoice_no": "C130",
      "vendor": "Example Messaging",
      "date": "2026-09-28",
      "amount": "30.00",
      "currency": "CNY",
      "status": "paid",
      "source": "mail-H/attachment-8",
      "text": "Receipt C130, Example Messaging, 2026-09-28, CNY 30.00, Paid."
    }
  ]
}