fix(topup): add 'failed' status badge mapping in TopupHistoryModal

The backend defines TopUpStatusFailed = "failed" but the frontend
STATUS_CONFIG was missing this status, causing raw text display
instead of a styled danger badge.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/src/components/topup/modals/TopupHistoryModal.jsx

@@ -43,6 +43,7 @@ const { Text } = Typography;
 const STATUS_CONFIG = {
   success: { type: 'success', key: '成功' },
   pending: { type: 'warning', key: '待支付' },
+  failed: { type: 'danger', key: '失败' },
   expired: { type: 'danger', key: '已过期' },
 };