feat: Beta策略支持按模型区分处理（模型白名单）

frontend/src/i18n/locales/en.ts

@@ -4587,7 +4587,19 @@ export default {
         errorMessagePlaceholder: 'Custom error message when blocked',
         errorMessageHint: 'Leave empty for default message',
         saved: 'Beta policy settings saved',
-        saveFailed: 'Failed to save beta policy settings'
+        saveFailed: 'Failed to save beta policy settings',
+        modelWhitelist: 'Model Whitelist',
+        modelWhitelistHint: 'Leave empty to apply to all models. Supports exact match and wildcard prefix (e.g., claude-opus-*)',
+        modelPatternPlaceholder: 'e.g., claude-opus-* or claude-opus-4-6',
+        addModelPattern: 'Add model pattern',
+        removePattern: 'Remove',
+        fallbackAction: 'Fallback Action',
+        fallbackActionHint: 'Action for models not matching the whitelist',
+        fallbackErrorMessagePlaceholder: 'Custom error message when non-whitelisted models are blocked',
+        quickPresets: 'Quick Presets',
+        presetOpusOnly: 'Opus only for 1M',
+        presetOpusOnlyDesc: 'Pass for Opus, filter others',
+        commonPatterns: 'Common patterns'
       },
       saveSettings: 'Save Settings',
       saving: 'Saving...',