fix 复制承保规则时重新给parent_id赋值

tenant/organization/src/main/java/com/jzg/organization/service/impl/PtlAgreementUndwrtRulesServiceImpl.java

@@ -590,8 +590,8 @@ public class PtlAgreementUndwrtRulesServiceImpl extends ServiceImpl<PtlAgreement
             sourceRuleIds = List.of(ruleId);
         }
 
-        // 批量复制：多条规则共享同一个新 parentId
-        String newParentId = sourceRuleIds.size() > 1 ? IdGenerate.nextId() : null;
+        // 复制时给新规则重新生成 parentId，避免与原规则共享 parent_id
+        String newParentId = IdGenerate.nextId();
         List<RulesGroupParam> groups = new ArrayList<>();
 
         // 获取属性映射（用于组装返回结果）