feat(ops): WeCom webhook alerts for pay/redeem anomalies

Add outbound group-bot alerts, rate/amount rules, stuck-order cron, HQ test button, and health db/redis checks.

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

server/dukang-api/src/common/system-config/system-config.registry.ts

@@ -59,6 +59,14 @@ export const SYSTEM_CONFIG_FIELDS: SystemConfigFieldMeta[] = [
     requiresRestart: false,
     description: '总开关。开启后连接 HQ「企微机器人」模块中已启用且配置完整的 Bot（每 Bot 同时仅 1 条长连接）',
   },
+  {
+    key: 'WECOM_ALERT_ENABLED',
+    label: '启用企微运营告警 Webhook',
+    group: G.feature,
+    type: 'boolean',
+    requiresRestart: false,
+    description: '开启后向群机器人 Webhook 推送异常告警；Webhook URL 仅在服务器 .env 配置（WECOM_ALERT_WEBHOOK_URL）',
+  },
 
   { key: 'ALIYUN_SMS_SIGN_NAME', label: '短信签名', group: G.sms, type: 'string', requiresRestart: false },
   { key: 'ALIYUN_SMS_TEMPLATE_CODE', label: '默认短信模板', group: G.sms, type: 'string', requiresRestart: false },