修正标题栏品牌标签用例对渠道产品名的断言

- WindowChrome 用例改用 appMetadata 的 APP_NAME（dev 渠道为陶泥儿开发版），不再硬编码旧产品名

apps/ai-game-creator-shell/tests/WindowChrome.test.tsx

@@ -4,6 +4,7 @@ import { fireEvent, render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 
+import { APP_NAME } from '../src/app/appMetadata';
 import type { GameCreatorDirectActiveTurn } from '../src/app/types';
 import { ThemedModal } from '../src/components/modal/ThemedModal';
 import { WindowChrome } from '../src/components/WindowChrome';
@@ -66,7 +67,7 @@ describe('WindowChrome', () => {
     );
 
     expect(screen.getByRole('banner', { name: '窗口标题栏' })).toBeTruthy();
-    expect(screen.getByLabelText('陶泥儿 GameAgent')).toBeTruthy();
+    expect(screen.getByLabelText(`${APP_NAME} GameAgent`)).toBeTruthy();
     expect(screen.queryByLabelText('本地工作区')).toBeNull();
     expect(screen.getByText('创作工作台')).toBeTruthy();
     expect(screen.getByText('工作区内容')).toBeTruthy();