fix(oauth): remove iflow cookie login

src/services/api/oauth.ts

@@ -20,15 +20,6 @@ export interface OAuthCallbackResponse {
   status: 'ok';
 }
 
-export interface IFlowCookieAuthResponse {
-  status: 'ok' | 'error';
-  error?: string;
-  saved_path?: string;
-  email?: string;
-  expired?: string;
-  type?: string;
-}
-
 const WEBUI_SUPPORTED: OAuthProvider[] = ['codex', 'anthropic', 'antigravity', 'gemini-cli'];
 const CALLBACK_PROVIDER_MAP: Partial<Record<OAuthProvider, string>> = {
   'gemini-cli': 'gemini'
@@ -59,9 +50,5 @@ export const oauthApi = {
       provider: callbackProvider,
       redirect_url: redirectUrl
     });
-  },
-
-  /** iFlow cookie 认证 */
-  iflowCookieAuth: (cookie: string) =>
-    apiClient.post<IFlowCookieAuthResponse>('/iflow-auth-url', { cookie })
+  }
 };