fix(llm): 移除数据回流中的思考内容

- 在保存数据回流时，从模型的回答中移除了包含 <think> 标签的内容
- 这样可以避免将不应持久化或索引的思考过程数据保存到数据库中

yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/conversation/ConversationServiceImpl.java

@@ -532,7 +532,7 @@ public class ConversationServiceImpl implements ConversationService {
         dataRefluxDataSaveReqVO.setModelType(chatReqVO.getModelType());
         dataRefluxDataSaveReqVO.setPrompt(chatReqVO.getPrompt());
         dataRefluxDataSaveReqVO.setSystem(modelCompletionsRespVO.getSystem());
-        dataRefluxDataSaveReqVO.setResponse(modelCompletionsRespVO.getAnswer());
+        dataRefluxDataSaveReqVO.setResponse(modelCompletionsRespVO.getAnswer().replaceAll("<think>.*?</think>", ""));
         dataRefluxDataSaveReqVO.setMaxTokens(chatReqVO.getMaxTokens());
         dataRefluxDataSaveReqVO.setTemperature(chatReqVO.getTemperature());
         dataRefluxDataService.saveDataRefluxData(dataRefluxDataSaveReqVO);