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/service/ProjectQuotationService.java

@@ -1,19 +1,19 @@
 package com.ecep.contract.service;
 
-import java.util.List;
-
-import org.springframework.stereotype.Service;
-
 import com.ecep.contract.model.Project;
 import com.ecep.contract.model.ProjectQuotation;
+import com.ecep.contract.util.ParamUtils;
 import com.ecep.contract.vm.ProjectQuotationViewModel;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
 
 @Service
 public class ProjectQuotationService extends QueryService<ProjectQuotation, ProjectQuotationViewModel> {
 
     public List<ProjectQuotation> findAllByProject(Project project) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'findAllByProject'");
+        return findAll(ParamUtils.builder().equals("project", project.getId()).build(), Pageable.unpaged()).getContent();
     }
 
 }