feat(host): fixed-label show-hidden toggle; even divider clearance; 680x500 card

packages/host/directory-picker-browse/tests/client-flow.spec.tsx

@@ -163,7 +163,6 @@ describe('directory-picker-browse client half', () => {
     expect(injected.t('browser.title')).toBe('选择工作区目录')
     expect(injected.t('browser.newFolder')).toBe('新建文件夹')
     expect(injected.t('browser.showHidden')).toBe('显示隐藏文件')
-    expect(injected.t('browser.hideHidden')).toBe('隐藏隐藏文件')
   })
 
   it('drives the injected browse calls through the hole entry', async () => {

packages/host/directory-picker-browse/tests/directory-browser.spec.tsx

@@ -107,11 +107,14 @@ describe('DirectoryBrowser', () => {
     const b = mount()
     await waitFor(() => { expect(screen.getByRole('listitem')).toBeTruthy() })
     expect(screen.queryByText('.config')).toBeNull()
-    // Toggle hidden files on.
-    fireEvent.click(screen.getByRole('button', { name: 'browser.showHidden' }))
+    // The fixed-label toggle reports its state through aria-pressed.
+    const toggle = screen.getByRole('button', { name: 'browser.showHidden' })
+    expect(toggle.getAttribute('aria-pressed')).toBe('false')
+    fireEvent.click(toggle)
+    expect(toggle.getAttribute('aria-pressed')).toBe('true')
     expect(screen.getByText('.config')).toBeTruthy()
-    // Toggle hidden files off.
-    fireEvent.click(screen.getByRole('button', { name: 'browser.hideHidden' }))
+    fireEvent.click(toggle)
+    expect(toggle.getAttribute('aria-pressed')).toBe('false')
     expect(screen.queryByText('.config')).toBeNull()
     // Close resets the toggle.
     b.view.rerender(<DirectoryBrowser {...b.props} open={false} />)