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/service/ContractItemService.java

@@ -1,21 +1,21 @@
 package com.ecep.contract.service;
 
-import java.util.HashMap;
 import java.util.List;
 
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 
-import com.ecep.contract.model.ContractItem;
-import com.ecep.contract.model.Inventory;
+import com.ecep.contract.util.ParamUtils;
 import com.ecep.contract.vm.ContractItemViewModel;
+import com.ecep.contract.vo.ContractItemVo;
+import com.ecep.contract.vo.InventoryVo;
 
 @Service
-public class ContractItemService extends QueryService<ContractItem, ContractItemViewModel> {
+public class ContractItemService extends QueryService<ContractItemVo, ContractItemViewModel> {
 
-    public List<ContractItem> findAllByInventory(Inventory parent) {
-        HashMap<String, Object> params = new HashMap<>();
-        params.put("inventory", parent.getId());
-        return findAll(params, null).getContent();
+    public List<ContractItemVo> findAllByInventory(InventoryVo parent) {
+        return findAll(ParamUtils.builder().equals("inventory", parent.getId()).build(), Pageable.unpaged())
+                .getContent();
     }
 
 }