curl --request POST \
  --url https://api.duplik.cn/v1/spaces/completions/{space_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "session_id": "<string>",
  "external_user_id": "<string>",
  "conversation_id": "<string>",
  "message": "<string>",
  "stream": false,
  "refine_question": true,
  "copilot": true,
  "dataset_id": "<string>",
  "dataset_ids": [
    "<string>"
  ],
  "document_id": "<string>",
  "document_ids": [
    "<string>"
  ],
  "only_dataset_tool": false,
  "context_params": {},
  "context_documents_mode": 1,
  "retrieval_with_websearch": false
}
'

{
  "message_id": "<string>",
  "user_message": "<string>",
  "assistant_message": "<string>",
  "document_chunks": [],
  "token_usage": {
    "model_name": "",
    "total_tokens": 0,
    "prompt_tokens": 0,
    "completion_tokens": 0,
    "successful_requests": 0
  }
}