{
  "id": "09-no-attachment",
  "category": "abnormal",
  "from": "ops@example.com",
  "subject": "请查收新增预报 WHSU8127240 40HQ",
  "text": "请查收新增预报，稍后补附件。",
  "messageId": "<09-no-attachment@fixtures.local>",
  "date": "2026-04-14T08:00:00.000Z",
  "attachments": []
}