refactor(yudao-module-llm): 优化知识库服务实现和 HTTP 服务逻辑

-移除了 KnowledgeBaseServiceImpl 中的多余空行
- 删除了 RagHttpService 中的冗余代码，包括不必要的变量赋值和日志记录

yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java

@@ -246,12 +246,10 @@ public class RagHttpService {
 
         if (jsonObject.getBoolean("status")) {
             log.info(" ========= Response Body Result: {}", response.getBody());
-            aDo.setKnowledgeBaseIntro("11-- success: " + ragEmbed);
             knowledgeBaseMapper.updateById(aDo);
             throw exception(new ErrorCode(10047, " ------------  知识库上传成功"));
 
         } else {
-            aDo.setKnowledgeBaseIntro("11-- error: " + ragEmbed);
             knowledgeBaseMapper.updateById(aDo);
             throw exception(new ErrorCode(10047, " xxxxxxxxxxxx   知识库上传失败"));
         }

yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/knowledgebase/KnowledgeBaseServiceImpl.java

@@ -77,8 +77,7 @@ public class KnowledgeBaseServiceImpl implements KnowledgeBaseService {
                 .socketTimeout(86400000)
                 .connectTimeout(100000)
                 .concurrency(10, 5)
-                .setDefaultHeader("Accept", "application/json")
-        ;
+                .setDefaultHeader("Accept", "application/json");
 
         // 4. 处理附表（知识文档）数据
         if (!CollectionUtils.isAnyEmpty(updateReqVO.getKnowledgeDocuments())) {