Keep pending payment results in processing state

frontend/src/i18n/locales/en.ts

@@ -5441,6 +5441,8 @@ export default {
     result: {
       success: 'Payment Successful',
       subscriptionSuccess: 'Subscription Successful',
+      processing: 'Payment Processing',
+      processingHint: 'Payment confirmation is still pending. This page will refresh automatically.',
       failed: 'Payment Failed',
       backToRecharge: 'Back to Recharge',
       viewOrders: 'View Orders',

frontend/src/i18n/locales/zh.ts

@@ -5629,6 +5629,8 @@ export default {
     result: {
       success: '支付成功',
       subscriptionSuccess: '订阅成功',
+      processing: '支付处理中',
+      processingHint: '支付结果仍在确认中，页面会自动刷新。',
       failed: '支付失败',
       backToRecharge: '返回充值',
       viewOrders: '查看订单',