Auth First Run (#1207)

Co-authored-by: Tommaso Sciortino <sciortino@gmail.com>
Co-authored-by: N. Taylor Mullen <ntaylormullen@google.com>

packages/cli/src/config/settings.ts

@@ -12,6 +12,7 @@ import {
   getErrorMessage,
   BugCommandSettings,
   TelemetrySettings,
+  AuthType,
 } from '@gemini-cli/core';
 import stripJsonComments from 'strip-json-comments';
 import { DefaultLight } from '../ui/themes/default-light.js';
@@ -32,6 +33,7 @@ export interface AccessibilitySettings {
 
 export interface Settings {
   theme?: string;
+  selectedAuthType?: AuthType;
   sandbox?: boolean | string;
   coreTools?: string[];
   excludeTools?: string[];