feat(trade): WeChat trade-manage push + delay shipping upload

Receive trade_manage_order_settlement to sync confirm-receive/settle;
wait ~65s and retry on 10060001 before upload_shipping_info.

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

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

@@ -77,6 +77,25 @@ export const SYSTEM_CONFIG_FIELDS: SystemConfigFieldMeta[] = [
   { key: 'WX_API_V3_KEY', label: 'APIv3 密钥', group: G.wechat, type: 'password', secret: true, requiresRestart: true },
   { key: 'WX_PLATFORM_CERT', label: '微信平台公钥证书', group: G.wechat, type: 'textarea', secret: true, requiresRestart: true },
   { key: 'WX_PAY_NOTIFY_URL', label: '支付回调 URL', group: G.wechat, type: 'string', requiresRestart: false },
+  {
+    key: 'WX_MINI_MSG_TOKEN',
+    label: '小程序消息推送 Token',
+    group: G.wechat,
+    type: 'password',
+    secret: true,
+    requiresRestart: true,
+    description:
+      '小程序后台「开发-开发管理-消息推送」Token；回调 URL=/api/v1/callbacks/wechat/message',
+  },
+  {
+    key: 'WX_MINI_MSG_AES_KEY',
+    label: '小程序消息推送 EncodingAESKey',
+    group: G.wechat,
+    type: 'password',
+    secret: true,
+    requiresRestart: true,
+    description: '消息推送安全模式 EncodingAESKey（43 位）；明文模式可留空',
+  },
 
   {
     key: 'MINI_HOME_BANNERS',