禁用除新订单服务号广播外的所有 Celery/Beat 任务，仅保留 dingdan_guangbo

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

utils/celery_guard.py

@@ -0,0 +1,13 @@
+"""
+Celery 任务安全闸：生产环境仅允许「新订单服务号广播」任务执行。
+"""
+from django.conf import settings
+
+_DISABLED_MSG = 'CELERY_ONLY_ORDER_BROADCAST：非新订单广播任务已禁止执行'
+
+
+def celery_non_broadcast_blocked():
+    """若当前禁止非广播任务，返回说明字符串；否则返回 None。"""
+    if getattr(settings, 'CELERY_ONLY_ORDER_BROADCAST', True):
+        return _DISABLED_MSG
+    return None

utils/chat_utils.py

@@ -850,6 +850,8 @@ STATUS_NOTIFY_TEXT = {
 
 def schedule_order_status_chat_push(dingdan_id):
     """订单状态变更后，事务提交后异步推送群聊状态更新"""
+    if getattr(settings, 'CELERY_ONLY_ORDER_BROADCAST', True):
+        return
     if not dingdan_id:
         return