{
  "schema_version": 1,
  "exported_at": "2026-10-21T06:53:11.439Z",
  "chat": {
    "id": "chat-export-fixture",
    "being_id": "being-export-fixture",
    "title": "一起看文件",
    "title_icon": "",
    "memory_level": "off",
    "last_seen_message_id": 103,
    "created_at": 1788077797000,
    "updated_at": 1788077799000
  },
  "messages": [
    {
      "id": "101",
      "being_id": "being-export-fixture",
      "chat_id": "chat-export-fixture",
      "role": "user",
      "text": "这份记录以后还能读到吗？",
      "attachments_json": "[]",
      "attachments": [],
      "created_at": 1788077797000
    },
    {
      "id": "102",
      "being_id": "being-export-fixture",
      "chat_id": "chat-export-fixture",
      "role": "assistant",
      "text": "可以，我们把它存下来。",
      "attachments_json": "[]",
      "attachments": [],
      "created_at": 1788077798500
    },
    {
      "id": "103",
      "being_id": "being-export-fixture",
      "chat_id": "chat-export-fixture",
      "role": "user",
      "text": "",
      "attachments_json": "[{\"id\":\"att-1\",\"client_attachment_id\":\"client-att-1\",\"file_name\":\"说明.txt\",\"mime_type\":\"text/plain\",\"size\":37,\"content_sha256\":\"6dfb033954f2bf97d278d63f75e25971dea89181d70b058f440daf388e28885d\"}]",
      "attachments": [
        {
          "id": "att-1",
          "client_attachment_id": "client-att-1",
          "file_name": "说明.txt",
          "mime_type": "text/plain",
          "size": 37,
          "content_sha256": "6dfb033954f2bf97d278d63f75e25971dea89181d70b058f440daf388e28885d",
          "archive_path": "attachments/103/att-1-说明.txt"
        }
      ],
      "created_at": 1788077799000
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  ]
}