\"fix: let frontend dictate warning sort flag and add SQL numeric casting\"

inventory-web/src/views/material/list.vue

@@ -580,6 +580,7 @@ interface QueryParams {
   isAsc: string | undefined;
   advancedFilters?: any[];
   has_stock?: string;
+  enableWarningSort?: boolean;
 }
 
 interface CascaderOption {
@@ -880,6 +881,8 @@ const querySearchType = (queryString: string, cb: any) => {
 
 const getList = () => {
   loading.value = true;
+  // 强制注入预警排序开关（基于权限）
+  queryParams.enableWarningSort = userStore.hasPermission('material_list:view_warning');
   // Stringify advancedFilters to JSON string as backend expects
   const params = {
     ...queryParams,