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/cloud/CloudInfo.java

@@ -1,6 +1,7 @@
 package com.ecep.contract.cloud;
 
 import java.time.Instant;
+import java.time.LocalDateTime;
 import java.util.Objects;
 
 import org.hibernate.annotations.ColumnDefault;
@@ -57,7 +58,7 @@ public class CloudInfo {
      * 本地更新时间戳，控制更新频率和重复更新
      */
     @Column(name = "LATEST_UPDATE")
-    private Instant latestUpdate;
+    private LocalDateTime latestUpdate;
 
     /**
      * 关联的公司

server/src/main/java/com/ecep/contract/cloud/u8/CustomerSyncTask.java

@@ -2,6 +2,7 @@ package com.ecep.contract.cloud.u8;
 
 import java.time.Instant;
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Stream;
@@ -110,7 +111,7 @@ public class CustomerSyncTask extends AbstContractRepairTasker {
             return;
         }
         cloudYu.setCustomerUpdateDate(LocalDate.now());
-        cloudYu.setCloudLatest(Instant.now());
+        cloudYu.setCloudLatest(LocalDateTime.now());
         cloudYu.setExceptionMessage("");
         yongYouU8Service.save(cloudYu);
 

server/src/main/java/com/ecep/contract/cloud/u8/VendorSyncTask.java

@@ -2,6 +2,7 @@ package com.ecep.contract.cloud.u8;
 
 import java.time.Instant;
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Stream;
@@ -124,7 +125,7 @@ public class VendorSyncTask extends AbstContractRepairTasker {
             return;
         }
         cloudYu.setVendorUpdateDate(LocalDate.now());
-        cloudYu.setCloudLatest(Instant.now());
+        cloudYu.setCloudLatest(LocalDateTime.now());
         cloudYu.setExceptionMessage("");
         yongYouU8Service.save(cloudYu);
     }