fix(scheduled-task): deliver verified WeChat links only after page is ready

Wait for HTML materialization before releasing delivery contracts, pass
verified MindSpace URLs through proactive WeChat sends, resend on reconcile
when pages land late, and report deferred customer-service delivery as unsent.

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

server/portal-integration-services-bootstrap.mjs

@@ -236,10 +236,11 @@ export async function bootstrapPortalIntegrationServices({
   const notificationDispatcher =
     createNotificationDispatcherFn({
       sendWechatTextToUser: wechatMpService?.enabled
-        ? (userId, text) =>
+        ? (userId, text, options) =>
             wechatMpService.sendTextToUser(
               userId,
               text,
+              options,
             )
         : null,
     });