curl --request GET \
  --url https://api-spectra.duplik.cn/v1/knowledge/{knowledge_id}/folders \
  --header 'Authorization: Bearer <token>'

{
  "folders": [
    {
      "file_id": "<string>",
      "name": "<string>",
      "type": "<string>",
      "parent_id": "<string>",
      "parent_ids": [
        "<string>"
      ],
      "children": [],
      "has_children": false,
      "level": 0,
      "permission_types": []
    }
  ],
  "total": 123
}