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>

server/dukang-api/src/modules/trade/trade.controller.ts

@@ -67,10 +67,11 @@ export class TradeController {
   confirmReceive(
     @CurrentUser() user: AuthUser,
     @Param('id') id: string,
-    @Body() body?: { onSitePickup?: boolean },
+    @Body() body?: { onSitePickup?: boolean; source?: 'USER' | 'WECHAT_COMPONENT' },
   ) {
     return this.tradeService.confirmReceive(user.actorId, BigInt(id), {
       onSitePickup: !!body?.onSitePickup,
+      source: body?.source === 'WECHAT_COMPONENT' ? 'WECHAT_COMPONENT' : 'USER',
     });
   }