feat(waffo): Waffo payment gateway integration with configurable methods

- Add Waffo payment SDK integration (waffo-go v1.3.1)
- Backend: webhook handler, pay endpoint, order lock race-condition fix
- Settings: full Waffo config (API keys, sandbox/prod, currency, pay methods)
- Frontend: Waffo payment buttons in topup page, admin settings panel
- i18n: Waffo-related translations for en/fr/ja/ru/vi/zh-TW

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

web/src/components/settings/PaymentSetting.jsx

@@ -23,6 +23,7 @@ import SettingsGeneralPayment from '../../pages/Setting/Payment/SettingsGeneralP
 import SettingsPaymentGateway from '../../pages/Setting/Payment/SettingsPaymentGateway';
 import SettingsPaymentGatewayStripe from '../../pages/Setting/Payment/SettingsPaymentGatewayStripe';
 import SettingsPaymentGatewayCreem from '../../pages/Setting/Payment/SettingsPaymentGatewayCreem';
+import SettingsPaymentGatewayWaffo from '../../pages/Setting/Payment/SettingsPaymentGatewayWaffo';
 import { API, showError, toBoolean } from '../../helpers';
 import { useTranslation } from 'react-i18next';
 
@@ -66,7 +67,6 @@ const PaymentSetting = () => {
                 2,
               );
             } catch (error) {
-              console.error('解析TopupGroupRatio出错:', error);
               newInputs[item.key] = item.value;
             }
             break;
@@ -78,7 +78,6 @@ const PaymentSetting = () => {
                 2,
               );
             } catch (error) {
-              console.error('解析AmountOptions出错:', error);
               newInputs['AmountOptions'] = item.value;
             }
             break;
@@ -90,7 +89,6 @@ const PaymentSetting = () => {
                 2,
               );
             } catch (error) {
-              console.error('解析AmountDiscount出错:', error);
               newInputs['AmountDiscount'] = item.value;
             }
             break;
@@ -146,6 +144,9 @@ const PaymentSetting = () => {
         <Card style={{ marginTop: '10px' }}>
           <SettingsPaymentGatewayCreem options={inputs} refresh={onRefresh} />
         </Card>
+        <Card style={{ marginTop: '10px' }}>
+          <SettingsPaymentGatewayWaffo options={inputs} refresh={onRefresh} />
+        </Card>
       </Spin>
     </>
   );