feat: 添加VendorGroupRequireFileTypeVo及相关服务功能

refactor: 重构多个服务类和方法，优化代码结构
fix: 修复PermissionVo中code字段更名为key的问题
docs: 更新create_vo.md文档，添加新创建的VO记录
perf: 优化WebSocketClientService中的session关闭逻辑
style: 清理无用导入和注释，统一代码格式

server/src/main/java/com/ecep/contract/ds/company/tasker/CompanyCompositeUpdateTasker.java

@@ -121,7 +121,7 @@ public class CompanyCompositeUpdateTasker extends Tasker<Object> {
             yongYouU8Service.initialize(contractCtx);
             contractCtx.syncContract(company, holder);
 
-            cloudYu.setCloudLatest(Instant.now());
+            cloudYu.setCloudLatest(LocalDateTime.now());
             cloudYu.setExceptionMessage("");
         } catch (Exception e) {
             String message = e.getMessage();
@@ -132,7 +132,7 @@ public class CompanyCompositeUpdateTasker extends Tasker<Object> {
             }
             cloudYu.setExceptionMessage(message);
         } finally {
-            cloudYu.setLatestUpdate(Instant.now());
+            cloudYu.setLatestUpdate(LocalDateTime.now());
             yongYouU8Service.save(cloudYu);
         }
     }

server/src/main/java/com/ecep/contract/ds/contract/tasker/ContractRepairByCompanyTask.java

@@ -2,6 +2,7 @@ package com.ecep.contract.ds.contract.tasker;
 
 import java.time.Instant;
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 
 import org.springframework.beans.BeansException;
 
@@ -58,12 +59,12 @@ public class ContractRepairByCompanyTask extends AbstContractRepairTasker {
                 repaired = true;
             }
 
-            cloudYu.setCloudLatest(Instant.now());
+            cloudYu.setCloudLatest(LocalDateTime.now());
             cloudYu.setExceptionMessage("");
         } catch (Exception e) {
             cloudYu.setExceptionMessage(e.getMessage());
         } finally {
-            cloudYu.setLatestUpdate(Instant.now());
+            cloudYu.setLatestUpdate(LocalDateTime.now());
             yongYouU8Service.save(cloudYu);
         }
     }