curl --request GET \
  --url https://wfapi.yuhe.space/api/workflows/{workflowName}/knowledge-documents/{documentId}/lines \
  --header 'Authorization: Bearer <token>'

{
  "errCode": 123,
  "errMessage": "<string>",
  "data": {
    "documentId": "<string>",
    "title": "<string>",
    "startLine": 123,
    "endLine": 123,
    "totalLines": 123,
    "lines": [
      {
        "lineNumber": 123,
        "content": "<string>"
      }
    ]
  }
}