完善客户端模块与工作区能力

tests/unit/title-bar.test.tsx

@@ -94,6 +94,30 @@ describe('TitleBar platform behavior', () => {
     expect(screen.queryByTestId('titlebar-project-context')).not.toBeInTheDocument();
   });
 
+  it('renders the painting title bar as a transparent overlay with the logo at the window edge', () => {
+    window.electron.platform = 'darwin';
+
+    render(<TitleBar integrated overlay />);
+
+    expect(screen.getByTestId('product-titlebar')).toHaveClass(
+      'absolute',
+      'inset-x-0',
+      'top-0',
+      'pointer-events-none',
+      'bg-transparent',
+    );
+    expect(screen.getByTestId('product-titlebar')).not.toHaveClass('border-b', 'glass-surface');
+    expect(screen.getByTestId('titlebar-main-surface')).toHaveClass(
+      'pointer-events-none',
+      'border-b-0',
+      'bg-transparent',
+    );
+    expect(screen.getByTestId('titlebar-logo')).toHaveClass('bg-transparent');
+    expect(screen.getByTestId('titlebar-logo')).toHaveStyle({ right: '0px' });
+    expect(screen.getByTestId('titlebar-logo').querySelector('img')).toHaveClass('mix-blend-multiply');
+    expect(screen.queryByTestId('titlebar-project-context')).not.toBeInTheDocument();
+  });
+
   it('previews the collapsed sidebar on hover and pins it on click', () => {
     window.electron.platform = 'darwin';
     useSettingsStore.setState({ sidebarCollapsed: true });