{
  "provider": "https://api.deepseek.com",
  "reference": "test-account/2026-09/part-001",
  "evidence": "自动生成的接口演示资料，仅用于测试；金额不代表供应商账单",
  "currency": "CNY",
  "lines": [
    {
      "record_id": "test-request-001",
      "entry_id": null,
      "model": "deepseek-flash",
      "amount": 700,
      "input_tokens": 1153,
      "output_tokens": 12,
      "cached_tokens": 512
    }
  ]
}