feat(trade): WeChat confirm-receive component + admin status log columns

Open weappOrderConfirm in mini-user so users confirm in-app instead of
service notice; verify via get_order before completing. Show operator/remark
on admin order status timeline.

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

apps/admin-web/src/lib/constants.ts

@@ -19,6 +19,17 @@ export const ORDER_STATUS_LABELS: Record<string, string> = {
   REFUNDED: '已退款',
 };
 
+/** 订单状态流转操作人（common_event.param3） */
+export const ORDER_STATUS_OPERATOR_LABELS: Record<string, string> = {
+  USER: '用户',
+  USER_ON_SITE: '用户·现场取货',
+  USER_WECHAT_CONFIRM: '用户·微信确认收货',
+  WECHAT_TRADE_MANAGE: '微信结算同步',
+  MOCK: 'Mock',
+  MOCK_PAY: 'Mock 支付',
+  SYSTEM: '系统',
+};
+
 /** 订单状态 Tag 颜色（Ant Design preset） */
 export const ORDER_STATUS_COLORS: Record<string, string> = {
   PENDING_PAY: 'red',