refactor: 重构WebSocket服务及相关实体类

重构WebSocket服务名称从WebSocketService改为WebSocketClientService，并实现Serializable接口
添加WebSocket常量定义和消息处理实现
优化实体类equals和hashCode方法
修复控制器路径和日志配置
添加查询服务和任务接口方法

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

@@ -1,19 +1,55 @@
 package com.ecep.contract.task;
 
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.SpringApp;
+import com.ecep.contract.WebSocketClientTasker;
+import com.ecep.contract.WebSocketClientService;
+import com.ecep.contract.service.YongYouU8Service;
+import com.fasterxml.jackson.core.JsonProcessingException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.ecep.contract.MessageHolder;
-
 /**
  * 合同同步任务
  */
-public class ContractSyncTask extends Tasker<Object> {
+public class ContractSyncTask extends Tasker<Object> implements WebSocketClientTasker {
     private static final Logger logger = LoggerFactory.getLogger(ContractSyncTask.class);
 
+    private YongYouU8Service yongYouU8Service;
+
+    private YongYouU8Service getYongYouU8Service() {
+        if (yongYouU8Service == null) {
+            yongYouU8Service = SpringApp.getBean(YongYouU8Service.class);
+        }
+        return yongYouU8Service;
+    }
+
+    public String getTaskName() {
+        return "ContractSyncTask";
+    }
+
     @Override
+    public void updateProgress(long current, long total) {
+        super.updateProgress(current, total);
+    }
+
+    @Override
+
     protected Object execute(MessageHolder holder) throws Exception {
         updateTitle("用友U8系统-同步合同");
+        return callRemoteTask(holder);
+    }
+
+    private Object callRemoteTask(MessageHolder holder) {
+        WebSocketClientService webSocketService = SpringApp.getBean(WebSocketClientService.class);
+        webSocketService.withSession(session -> {
+            try {
+                session.submitTask(this);
+            } catch (JsonProcessingException e) {
+                throw new RuntimeException(e);
+            }
+        });
+
         return null;
     }