收口拼图首访按钮

为 PlatformActionButton 增加琥珀实心 accent tone

将拼图首访生成按钮迁移到 PlatformActionButton

将拼图首访登录按钮迁移到 PlatformActionButton

将拼图首访跳过按钮迁移到 PlatformActionButton

补充按钮组件和首访按钮断言

更新 PlatformUiKit 文档和 Hermes 决策记录

src/components/platform-entry/PlatformEntryFlowShellImpl/PuzzleOnboardingView.test.tsx

@@ -61,9 +61,20 @@ test('PuzzleOnboardingView uses shared dark textarea and error status chrome', (
 
 test('PuzzleOnboardingView preserves submit, skip, and disabled phase behavior', () => {
   const { onSubmit, onSkip } = renderOnboarding();
+  const submitButton = screen.getByRole('button', { name: '生成' });
+  const skipButton = screen.getByRole('button', { name: '跳过' });
 
-  fireEvent.click(screen.getByRole('button', { name: '生成' }));
-  fireEvent.click(screen.getByRole('button', { name: '跳过' }));
+  expect(submitButton.className).toContain('platform-action-button--accent');
+  expect(submitButton.className).toContain('bg-amber-200');
+  expect(submitButton.className).toContain('w-full');
+  expect(skipButton.className).toContain(
+    'platform-action-button--editor-dark',
+  );
+  expect(skipButton.className).toContain('rounded-full');
+  expect(skipButton.className).toContain('absolute');
+
+  fireEvent.click(submitButton);
+  fireEvent.click(skipButton);
 
   expect(onSubmit).toHaveBeenCalledTimes(1);
   expect(onSkip).toHaveBeenCalledTimes(1);
@@ -112,6 +123,9 @@ test('PuzzleOnboardingLoginOverlay uses shared error status and keeps login acti
   fireEvent.click(screen.getByRole('button', { name: '注册账号 / 登录' }));
 
   expect(onLogin).toHaveBeenCalledTimes(1);
+  expect(screen.getByRole('button', { name: '注册账号 / 登录' }).className).toContain(
+    'platform-action-button--accent',
+  );
   expect(screen.getByText('保存首访拼图失败').className).toContain(
     'platform-status-message',
   );