feat: 升级预警批量设置交互，引入批量操作模式切换，提升界面整洁度与体验

inventory-backend/app/api/v1/inbound/base.py

@@ -123,7 +123,8 @@ def get_list():
             'orderByColumn': request.args.get('orderByColumn', ''),
             'isAsc': request.args.get('isAsc', None),
             'advancedFilters': advanced_filters_list,
-            'enableWarningSort': request.args.get('enableWarningSort', 'false').lower() == 'true'
+            'enableWarningSort': request.args.get('enableWarningSort', 'false').lower() == 'true',
+            'has_stock': request.args.get('has_stock', '')
         }
 
         user_permissions = get_current_user_permissions()

inventory-backend/app/services/inbound/base_service.py

@@ -198,6 +198,11 @@ class MaterialBaseService:
                     # 必须使用 filter() 而非 filter_by()，因为 query 是 join 后的复杂查询
                     query = query.filter(MaterialBase.is_enabled == is_active)
 
+                # 【新增】：库存状态筛选 (has_stock)
+                has_stock = filters.get('has_stock')
+                if has_stock and str(has_stock).lower() in ['true', '1', 'yes']:
+                    query = query.filter(total_inv > 0)
+
                 # 3. 高级动态筛选
                 advanced_filters = filters.get('advancedFilters', [])
                 if advanced_filters: