refactor(util): 重构BeanContext接口及相关实现

将ContextUtils重命名为BeanContext，并统一客户端和服务端的实现
添加DefaultBeanContext作为默认实现
优化Inventory同步任务逻辑，支持WebSocket远程调用
更新tasker_mapper.json添加新的任务映射
移除未使用的syncInventory方法

client/src/main/java/com/ecep/contract/task/ContractVerifyComm.java

@@ -4,7 +4,7 @@ import com.ecep.contract.*;
 import com.ecep.contract.controller.project.cost.ProjectCostImportItemsFromContractsTasker;
 import com.ecep.contract.model.ContractFileTypeLocal;
 import com.ecep.contract.service.*;
-import com.ecep.contract.util.ContextUtils;
+import com.ecep.contract.util.BeanContext;
 import com.ecep.contract.vo.*;
 import javafx.beans.property.SimpleBooleanProperty;
 import javafx.collections.ObservableMap;
@@ -22,10 +22,10 @@ import java.util.*;
 import java.util.stream.Collectors;
 
 @Data
-public class ContractVerifyComm implements ContextUtils {
-    ContextUtils parent;
+public class ContractVerifyComm implements BeanContext {
+    BeanContext parent;
 
-    public ContractVerifyComm(ContextUtils parent) {
+    public ContractVerifyComm(BeanContext parent) {
         this.parent = parent;
     }