优化服务号订单广播(Celery并发)与群聊状态实时推送

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

a_long_dianjing/settings.py

@@ -272,6 +272,8 @@ WEIXIN_TEMPLATE_ID = 'Ngs1sT9TPyFaN4cA108YyMV_0nnutTynPQFXoOdNZZE'  # 模板ID
 # 🆕【新增】模板消息配置
 WEIXIN_TEMPLATE_MAX_PER_MINUTE = 950  # 每分钟最大发送量（留50缓冲）
 WEIXIN_TEMPLATE_BATCH_SIZE = 100  # 每批发送数量
+WEIXIN_BROADCAST_ENABLED = True  # 服务号订单广播总开关
+WEIXIN_BROADCAST_WORKERS = 30  # Celery 任务内并发推送线程数（勿过大，避免触发微信频控）
 
 
 WEIXIN_MCHID = '1746784529'  # 商户号，支付功能需要紧急
@@ -453,6 +455,15 @@ CELERY_TASK_QUEUES = {
         'exchange': 'periodic_tasks',
         'routing_key': 'periodic_tasks',
     },
+    'broadcast': {
+        'exchange': 'broadcast',
+        'routing_key': 'broadcast',
+    },
+}
+
+CELERY_TASK_ROUTES = {
+    'dingdan.tongzhi_tasks.dingdan_guangbo': {'queue': 'broadcast'},
+    'dingdan.tasks.push_order_status_chat_task': {'queue': 'default'},
 }
 
 # ==================== 定时任务时间配置 ====================