feat: 实现员工同步任务的WebSocket支持及合同名称锁定功能

- 为EmployeesSyncTask添加WebSocket客户端和服务端支持，实现实时任务进度反馈
- 新增合同名称锁定功能，防止误修改重要合同名称
- 优化SmbFileService的连接异常处理，提高稳定性
- 重构ContractFilesRebuildTasker的任务执行逻辑，改进错误处理
- 更新tasker_mapper.json注册EmployeesSyncTask
- 添加相关任务文档和验收报告

修复WebSocketClientSession的任务完成状态处理问题
改进UITools中任务执行的线程管理
优化DepartmentService的findByCode方法返回类型

client/src/main/java/com/ecep/contract/task/ContractRepairAllTasker.java

@@ -18,12 +18,6 @@ public class ContractRepairAllTasker extends Tasker<Object> implements WebSocket
         super.updateProgress(current, total);
     }
 
-    @Override
-    public void updateTitle(String title) {
-        // 使用Tasker的updateTitle方法更新标题
-        super.updateTitle(title);
-    }
-
     @Override
     public String getTaskName() {
         return "ContractRepairAllTask";
@@ -34,6 +28,7 @@ public class ContractRepairAllTasker extends Tasker<Object> implements WebSocket
         logger.info("开始执行合同修复任务");
         updateTitle("合同数据修复");
         Object result = callRemoteTask(holder, getLocale());
+
         logger.info("合同修复任务执行完成");
         return result;
     }

client/src/main/java/com/ecep/contract/task/EmployeesSyncTask.java

@@ -1,13 +1,37 @@
 package com.ecep.contract.task;
 
-import com.ecep.contract.MessageHolder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-public class EmployeesSyncTask extends Tasker<Object> {
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.WebSocketClientTasker;
+
+/**
+ * 员工同步任务客户端实现
+ * 用于通过WebSocket与服务器通信，执行用友U8系统员工信息同步
+ */
+public class EmployeesSyncTask extends Tasker<Object> implements WebSocketClientTasker {
+    private static final Logger logger = LoggerFactory.getLogger(EmployeesSyncTask.class);
+
+    @Override
+    public String getTaskName() {
+        return "EmployeesSyncTask";
+    }
+
+    @Override
+    public void updateProgress(long current, long total) {
+        super.updateProgress(current, total);
+    }
 
     @Override
     protected Object execute(MessageHolder holder) throws Exception {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'execute'");
-    }
+        // 设置任务标题
+        updateTitle("用友U8系统-同步员工信息");
 
+        // 更新任务消息
+        updateMessage("开始执行员工信息同步...");
+
+        // 调用远程WebSocket任务
+        return callRemoteTask(holder, getLocale());
+    }
 }

client/src/main/java/com/ecep/contract/task/Tasker.java

@@ -4,14 +4,11 @@ import java.util.HashMap;
 import java.util.Locale;
 import java.util.logging.Level;
 
+import com.ecep.contract.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.BeansException;
 
-import com.ecep.contract.Desktop;
-import com.ecep.contract.Message;
-import com.ecep.contract.MessageHolder;
-import com.ecep.contract.SpringApp;
 import com.ecep.contract.service.CompanyService;
 import com.ecep.contract.service.EmployeeService;
 import com.ecep.contract.service.SysConfService;
@@ -63,6 +60,22 @@ public abstract class Tasker<T> extends Task<T> {
         return currentUser;
     }
 
+    @Override
+    public void run() {
+        if (this instanceof WebSocketClientTasker) {
+            this.getState();
+        }
+        super.run();
+    }
+
+    @Override
+    public boolean cancel(boolean mayInterruptIfRunning) {
+        if (this instanceof WebSocketClientTasker) {
+            ((WebSocketClientTasker) this).cancelTask();
+        }
+        return super.cancel(mayInterruptIfRunning);
+    }
+
     @Override
     protected T call() throws Exception {
         MessageHolderImpl holder = new MessageHolderImpl();