feat(W4): 站点path全链路-portalUrlOf/previewPortalUrl纯函数,站点列/向导地址预览/预览frame sitePath,store携带path,mock嵌套路由,T-W4-16..18 绿51/51

src/views/cms/CategoryManage.vue

@@ -11,6 +11,7 @@ import { useCmsStore } from "@/store";
 import config from "@/assets/config/host.config";
 import { CategoryTreeNode } from "@/types/cms";
 import { rootLabelOf, wrapTreeWithRoot } from "@/utils/categoryTree";
+import { portalUrlOf } from "@/utils/sitePath";
 
 /* UserBase group/index 同款交互：图标工具栏（新增/编辑/子组排序/删除）+ ztree（W2：搜索/收起展开按钮移除） */
 const store = useCmsStore();
@@ -216,14 +217,13 @@ function goNewArticle(categoryId: number) {
     window.location.hash = `#/sch/${store.schoolCode}/article/edit?categoryId=${categoryId}`;
 }
 
-/** 门户预览：新开 /portal/{siteCode}/c/{id} */
+/** 门户预览：新开 /portal/{path}/c/{id}（W4 嵌套路径） */
 function openPreview(node: any) {
-    const code = store.currentSite?.code || store.schoolCode;
-    if (!code) {
+    if (!store.currentSite) {
         Message.warning("当前无站点上下文，无法预览");
         return;
     }
-    window.open(`${config.serviceHost}/portal/${code}/c/${node.id}`, "_blank");
+    window.open(`${config.serviceHost}${portalUrlOf(store.currentSite)}c/${node.id}`, "_blank");
 }
 
 /** 外链栏目直达 */