fix(wechat): recognize news page intents and harden scheduled task delivery

Expand page.generate rules for post-page verbs and link-missing retries,
recover HTML artifacts when shadow LLM agrees, and stop marking scheduled
tasks failed when WeChat notification hits rate limits.

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

scheduled-task-worker.mjs

@@ -49,13 +49,17 @@ export function startScheduledTaskWorker({
           taskId: task.id,
           recurrence: task.recurrence,
         },
+      }).catch((err) => {
+        logger.warn?.('Scheduled task web notification failed:', err);
       });
     }
     if (
       (notifyChannel === 'wechat' || notifyChannel === 'both')
       && typeof sendScheduleNotification === 'function'
     ) {
-      await sendScheduleNotification({ userId: task.userId, text });
+      await sendScheduleNotification({ userId: task.userId, text }).catch((err) => {
+        logger.warn?.('Scheduled task wechat notification failed:', err);
+      });
     }
   };