fix(page-data): deliver MindSpace workspace URLs instead of /u/.../pages/ routes.

Page Data questionnaires were returning publication slugs to users; password-mode
pages always fell back to /u/ routes. Prefer MindSpace paths at publish time and
rewrite mistaken delivery links in WeChat and Portal chat.

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

mindspace-publications.mjs

@@ -176,14 +176,12 @@ function resolvePublicationDeliveryPublicUrl({
   privateToken = null,
 } = {}) {
   if (privateToken) return `/s/${privateToken}`;
-  if (accessMode === 'public') {
-    const mindSpaceUrl = resolveWorkspaceMindSpacePublicUrl({
-      h5Root,
-      userId,
-      relativePath: workspaceRelativePath,
-    });
-    if (mindSpaceUrl) return mindSpaceUrl;
-  }
+  const mindSpaceUrl = resolveWorkspaceMindSpacePublicUrl({
+    h5Root,
+    userId,
+    relativePath: workspaceRelativePath,
+  });
+  if (mindSpaceUrl) return mindSpaceUrl;
   return buildOnlinePublicationPublicUrl(ownerSlug, urlSlug);
 }
 
@@ -1035,17 +1033,16 @@ export function createPublicationService(pool, options = {}) {
        WHERE id = ?`,
       [htmlBytes, checksum, publication.asset_version_id],
     );
-    let publicUrl = publication.public_url;
-    if (publication.access_mode === 'public') {
-      const workspaceRelativePath = resolvePageWorkspaceRelativePath(page);
-      publicUrl = resolvePublicationDeliveryPublicUrl({
-        h5Root,
-        userId,
-        ownerSlug,
-        urlSlug: publication.url_slug,
-        accessMode: publication.access_mode,
-        workspaceRelativePath,
-      });
+    const workspaceRelativePath = resolvePageWorkspaceRelativePath(page);
+    const publicUrl = resolvePublicationDeliveryPublicUrl({
+      h5Root,
+      userId,
+      ownerSlug,
+      urlSlug: publication.url_slug,
+      accessMode: publication.access_mode,
+      workspaceRelativePath,
+    });
+    if (publicUrl !== publication.public_url) {
       await pool.query(
         `UPDATE h5_publish_records SET public_url = ?, updated_at = ? WHERE id = ? AND user_id = ?`,
         [publicUrl, now, publication.id, userId],