feat(cli): implement full "GEMINI CLI" logo for logged-out state (#22412)

packages/cli/src/ui/components/AppHeader.test.tsx

@@ -10,6 +10,7 @@ import {
 } from '../../test-utils/render.js';
 import { AppHeader } from './AppHeader.js';
 import { describe, it, expect, vi } from 'vitest';
+import { makeFakeConfig } from '@google/gemini-cli-core';
 import crypto from 'node:crypto';
 
 vi.mock('../utils/terminalSetup.js', () => ({
@@ -240,4 +241,27 @@ describe('<AppHeader />', () => {
     expect(session2.lastFrame()).not.toContain('Tips');
     session2.unmount();
   });
+
+  it('should render the full logo when logged out', async () => {
+    const mockConfig = makeFakeConfig();
+    vi.spyOn(mockConfig, 'getContentGeneratorConfig').mockReturnValue({
+      authType: undefined,
+    } as any); // eslint-disable-line @typescript-eslint/no-explicit-any
+
+    const { lastFrame, waitUntilReady, unmount } = await renderWithProviders(
+      <AppHeader version="1.0.0" />,
+      {
+        config: mockConfig,
+        uiState: {
+          terminalWidth: 120,
+        },
+      },
+    );
+    await waitUntilReady();
+
+    // Check for block characters from the logo
+    expect(lastFrame()).toContain('▗█▀▀▜▙');
+    expect(lastFrame()).toMatchSnapshot();
+    unmount();
+  });
 });