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/Tasker.java

@@ -1,12 +1,5 @@
 package com.ecep.contract.task;
 
-import java.util.Locale;
-import java.util.logging.Level;
-
-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;
@@ -15,12 +8,17 @@ import com.ecep.contract.model.Employee;
 import com.ecep.contract.service.CompanyService;
 import com.ecep.contract.service.EmployeeService;
 import com.ecep.contract.service.SysConfService;
-
 import javafx.application.Platform;
 import javafx.beans.property.StringProperty;
 import javafx.concurrent.Task;
 import javafx.scene.control.ListCell;
 import lombok.Setter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.BeansException;
+
+import java.util.Locale;
+import java.util.logging.Level;
 
 public abstract class Tasker<T> extends Task<T> {
     private static final Logger logger = LoggerFactory.getLogger(Tasker.class);
@@ -86,7 +84,7 @@ public abstract class Tasker<T> extends Task<T> {
         updateMessage(Level.INFO, message);
     }
 
-    protected void updateMessage(Level level, String message) {
+    public void updateMessage(Level level, String message) {
         if (messageHandler != null) {
             if (messageHandler.test(new Message(level, message))) {
                 return;
@@ -95,6 +93,10 @@ public abstract class Tasker<T> extends Task<T> {
         super.updateMessage(message);
     }
 
+    public void updateTitle(String title) {
+        super.updateTitle(title);
+    }
+
     protected void skipUpdateCheckUpdateMessage(String message) {
         if (Platform.isFxApplicationThread()) {
             ((StringProperty) messageProperty()).set(message);
@@ -172,4 +174,5 @@ public abstract class Tasker<T> extends Task<T> {
     public Locale getLocale() {
         return Desktop.instance.getActiveEmployee().localeProperty().get();
     }
+
 }