feat(seo): 固化 m.tkmind.cn 百度验证、推送与 sitemap 去重

让 Portal 首页稳定注入站长验证 meta，并提供 sitemap 批量推送脚本与 LaunchAgent 安装入口；sitemap/llms 对同页优先保留 /u/ canonical URL。

Co-authored-by: Cursor <cursoragent@cursor.com>

server/portal-static-delivery-routes.mjs

@@ -6,6 +6,7 @@ import {
   injectOgTags,
   renderWechatSharePreviewHtml,
 } from '../mindspace-og-tags.mjs';
+import { injectBaiduSiteVerification } from '../mindspace-baidu-site-verification.mjs';
 
 export function attachPortalStaticDeliveryRoutes({
   app,
@@ -285,6 +286,37 @@ export function attachPortalStaticDeliveryRoutes({
     },
   );
 
+  const sendPortalIndexHtml = (res) => {
+    const indexPath = pathApi.join(h5Root, 'dist', 'index.html');
+    const html = fsApi.readFileSync(indexPath, 'utf8');
+    res
+      .type('text/html; charset=utf-8')
+      .set('Cache-Control', 'public, max-age=0')
+      .send(injectBaiduSiteVerification(html));
+  };
+
+  app.get(
+    /^\/baidu_verify_[A-Za-z0-9-]+\.html$/,
+    (req, res) => {
+      const fileName = pathApi.basename(req.path);
+      const filePath = pathApi.join(
+        h5Root,
+        'public',
+        fileName,
+      );
+      if (!fsApi.existsSync(filePath)) {
+        return res.status(404).end();
+      }
+      return res
+        .type('text/html; charset=utf-8')
+        .sendFile(filePath);
+    },
+  );
+
+  app.get('/', (_req, res) => {
+    sendPortalIndexHtml(res);
+  });
+
   app.use('/auth', (_req, res) => {
     res.status(404).json({
       message:
@@ -305,12 +337,6 @@ export function attachPortalStaticDeliveryRoutes({
     ),
   );
   app.get('*', (_req, res) => {
-    res.sendFile(
-      pathApi.join(
-        h5Root,
-        'dist',
-        'index.html',
-      ),
-    );
+    sendPortalIndexHtml(res);
   });
 }

server/portal-static-delivery-routes.test.mjs

@@ -188,6 +188,11 @@ test('registers static delivery routes and middleware in legacy order', () => {
         'get',
         '/^\\/MP_verify_[A-Za-z0-9]+\\.txt$/',
       ],
+      [
+        'get',
+        '/^\\/baidu_verify_[A-Za-z0-9-]+\\.html$/',
+      ],
+      ['get', '/'],
       ['use', '/auth'],
       ['use', '/admin-api'],
       ['use', null],
@@ -394,6 +399,9 @@ test('preserves verification, API fallbacks, and SPA fallback', async () => {
       existsSync() {
         return false;
       },
+      readFileSync() {
+        return '<!doctype html><html><head><title>TKMind</title></head><body></body></html>';
+      },
     },
   });
   const verification = missingSetup.routes.find(
@@ -432,8 +440,12 @@ test('preserves verification, API fallbacks, and SPA fallback', async () => {
     'get',
     '*',
   );
+  assert.match(
+    spa.response.body,
+    /baidu-site-verification/,
+  );
   assert.equal(
-    spa.response.sentFile,
-    '/project/dist/index.html',
+    spa.response.contentType,
+    'text/html; charset=utf-8',
   );
 });