refactor(vo): 重构VO对象结构，统一字段命名和接口实现

重构所有VO对象，统一字段命名规范，移除冗余字段，优化接口实现
新增Voable接口用于VO对象转换
调整BaseViewModel和ProjectBasedViewModel接口定义
更新相关服务和控制器以适应VO对象变更

client/src/main/java/com/ecep/contract/vm/ProjectFileViewModel.java

@@ -1,7 +1,7 @@
 package com.ecep.contract.vm;
 
-import com.ecep.contract.model.Project;
-import com.ecep.contract.model.ProjectFile;
+import com.ecep.contract.vo.ProjectVo;
+import com.ecep.contract.vo.ProjectFileVo;
 
 import javafx.beans.property.SimpleObjectProperty;
 import lombok.Data;
@@ -9,13 +9,13 @@ import lombok.EqualsAndHashCode;
 
 @Data
 @EqualsAndHashCode(callSuper = false)
-public class ProjectFileViewModel extends IdentityViewModel<ProjectFile> implements ProjectBasedViewModel {
+public class ProjectFileViewModel extends IdentityViewModel<ProjectFileVo> implements ProjectBasedViewModel {
     /**
      * 关联的项目
      */
-    private SimpleObjectProperty<Project> project = new SimpleObjectProperty<>();
+    private SimpleObjectProperty<Integer> project = new SimpleObjectProperty<>();
 
-    public static ProjectFileViewModel from(ProjectFile file) {
+    public static ProjectFileViewModel from(ProjectFileVo file) {
         ProjectFileViewModel viewModel = new ProjectFileViewModel();
         viewModel.update(file);
         return viewModel;