feat(mindspace): add SEO/GEO delivery, page template catalog, and admin hooks

Enable optional SEO/GEO injection and discovery routes for confirmed public pages while keeping private pages noindex. Add premium page template skills, portal catalog API, template shop UI, and Baidu push gated by memind_adm config.

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

mindspace-publications.mjs

@@ -7,6 +7,7 @@ import { replacePrivateResourceReferences, scanContent } from './mindspace-conte
 import { pageInternals, normalizeWorkspaceRelativePath } from './mindspace-pages.mjs';
 import { readWorkspacePublishHtml } from './mindspace-workspace-path.mjs';
 import { loadMindSpaceConfig } from './mindspace-config.mjs';
+import { notifyPublicationSearchEngines } from './mindspace-seo-notify.mjs';
 import { buildPublicUrl, resolvePublicBaseUrl, resolvePublishDir } from './user-publish.mjs';
 import {
   isPublicWorkspaceHtmlRelativePath,
@@ -451,6 +452,8 @@ export function createPublicationService(pool, options = {}) {
   const idFactory = options.idFactory ?? (() => crypto.randomUUID());
   const publicPageLimitFallback = Number(options.publicPageLimit ?? 5);
   const conversationPackageRegistry = options.conversationPackageRegistry ?? null;
+  const notifyPublicationSearchEnginesFn =
+    options.notifyPublicationSearchEnginesFn ?? notifyPublicationSearchEngines;
 
   let imgproxySigner = null;
   if (process.env.IMGPROXY_BASE_URL && process.env.IMGPROXY_SIGNING_KEY && process.env.IMGPROXY_SIGNING_SALT) {
@@ -1108,7 +1111,16 @@ export function createPublicationService(pool, options = {}) {
         user_confirmed_at: now,
         updated_at: now,
       };
-      return publicationResponse(updated);
+      const response = publicationResponse(updated);
+      if (normalizedMode === 'public') {
+        void notifyPublicationSearchEnginesFn(pool, response).catch((error) => {
+          console.error(
+            '[Publication SEO] Baidu push failed:',
+            error instanceof Error ? error.message : error,
+          );
+        });
+      }
+      return response;
     } catch (error) {
       await conn.rollback();
       throw error;