feat: 完善图像工作区与创作工具体验

tests/unit/settings-opencode.test.tsx

@@ -161,6 +161,18 @@ describe('Settings runtime workspace', () => {
     });
   });
 
+  it('offers only Chinese in the language setting', async () => {
+    renderSettings();
+
+    const languageSelect = await screen.findByRole('combobox', { name: 'appearance.language' });
+    expect(languageSelect).toHaveValue('zh');
+    expect(languageSelect.querySelectorAll('option')).toHaveLength(1);
+    expect(screen.getByRole('option', { name: '中文' })).toBeInTheDocument();
+    expect(screen.queryByRole('option', { name: 'English' })).not.toBeInTheDocument();
+    expect(screen.queryByRole('option', { name: '日本語' })).not.toBeInTheDocument();
+    expect(screen.queryByRole('option', { name: 'Русский' })).not.toBeInTheDocument();
+  });
+
   it('keeps runtime status and updates public while protecting developer settings', async () => {
     const activeProject = {
       id: 'prj_1',