feat(site-layer): 学校站点分层方案C落地(docs/13)+栏目管理增强+管理端三修复+首页视觉升级管理端+审计复检T1~T5(docs/15)整合批次-URL站点段/site/{siteCode}无component镜像层(去name防重名,router-view跳过推进渲染)+身份条SiteSwitcher自绘(徽章#577afb/#ff9900+分组下拉✓+path次级列+Esc/外点收起)+URL唯一事实源syncSiteFromRoute(非法/跨校/主站码当子站段告警打回同页主站,localStorage降级刷新首帧兜底)+菜单剥段高亮stripSiteSeg/withSiteSeg补段+menuRoute镜像层防重影+跳转收敛adminPathOf(工作台进入/全部站点总览/站点管理行进入管理纯URL切站);栏目管理-上级栏目可选可改(禁选自身及后代防成环)+批量添加BatchAddCategory(行序写排序号单行失败不中断)+单页wangEditor富文本预览字数分区+categoryIds契约前端/types/mock三处统一+SchoolLayout高度链.layout-wrap修复+ArticleListPanel fixed模式;管理端三修复-皮肤预览Modal全屏(ThemePreviewFrame可选fill prop)+SiteManage补themeUnregistered声明+长图文编辑器随内容增高;管理端视觉升级配套-SiteConfigForm 12新键+BannerManage gallery展示位切换+栏目homeStyle下拉+PortalPreview侧栏同步;审计复检-新增siteRouter.spec真实路由集成7用例(镜像层matched3层/守卫子站码定向主站前缀/越权回工作台/旧链带id重定向)+sitePath空白容错+siteLayer持久化round-trip与身份条次级入口(docs/15);vitest 99/99+build通过+S1~S10 GUI走查全过

mock/index.ts

@@ -626,14 +626,15 @@ async function handleApi(req: IncomingMessage, res: ServerResponse, path: string
     /* ---- 文章 ---- */
     if (method === "GET" && path === "/api/article/page") {
         const siteId = num(q(req, "siteId"), 0)!;
-        const categoryId = num(q(req, "categoryId"));
+        // 与后端 ArticlePageQuery 契约一致：categoryIds（逗号分隔多选；栏目工作台传单值）
+        const categoryId = num(q(req, "categoryIds"));
         const status = num(q(req, "status"));
         const keyword = q(req, "keyword") || "";
         const page = num(q(req, "page"), 1)!;
         const pageSize = num(q(req, "pageSize"), 10)!;
-        const categoryIds = categoryId ? categoryWithChildren(siteId, categoryId) : null;
+        const filterCategoryIds = categoryId ? categoryWithChildren(siteId, categoryId) : null;
         let rows = db.articles.filter(a => a.siteId === siteId);
-        if (categoryIds) rows = rows.filter(a => categoryIds.includes(a.categoryId));
+        if (filterCategoryIds) rows = rows.filter(a => filterCategoryIds.includes(a.categoryId));
         if (status !== undefined) rows = rows.filter(a => a.status === status);
         if (keyword) rows = rows.filter(a => a.title.includes(keyword) || a.summary.includes(keyword));
         rows = [...rows].sort(