feat(proxy): 实现代理对象初始化检查与懒加载机制

添加ProxyUtils工具类用于检查代理对象初始化状态
实现代理对象创建和标记初始化功能
添加ProxyObjectDeserializerModifier处理反序列化时的代理对象创建
修改WebSocketService错误消息字段从errorMsg改为message
实现ContractItemService.findAllByInventory方法
优化ContractService查询条件处理并添加缓存支持
重构InventoryTabSkinHistoryPrice的service获取方式

server/src/main/java/com/ecep/contract/ds/contract/service/ContractService.java

@@ -135,9 +135,14 @@ public class ContractService implements IEntityService<Contract>, QueryService<C
         if (paramsNode.has("searchText")) {
             spec = getSpecification(paramsNode.get("searchText").asText());
         }
-
         // field
-        spec = SpecificationUtils.andFieldEqualParam(spec, paramsNode, "payWay", "parentCode");
+        if (paramsNode.has("payWay")) {
+            ContractPayWay payWay = ContractPayWay.valueOf(paramsNode.get("payWay").asText());
+            spec = SpecificationUtils.and(spec, (root, query, cb) -> {
+                return cb.equal(root.get("payWay"), payWay);
+            });
+        }
+        spec = SpecificationUtils.andFieldEqualParam(spec, paramsNode, "parentCode");
 
         // relation
         spec = SpecificationUtils.andParam(spec, paramsNode, "group", "kind", "type", "group", "company", "project");