收口运行态状态提示组件

新增 PlatformRuntimeStatusToast 统一运行态短错误、成功和反馈 toast
迁移跳一跳、拼图、敲木鱼、方洞和宝贝爱画运行态状态 chip
补充公共组件与运行态回归测试，并更新 PlatformUiKit 文档和 Hermes 决策记录

src/components/square-hole-runtime/SquareHoleRuntimeShell.test.tsx

@@ -103,6 +103,25 @@ test('点击洞口会提交该洞口选择', async () => {
   });
 });
 
+test('错误提示使用公共运行态 toast', () => {
+  const run = buildRun();
+
+  render(
+    <SquareHoleRuntimeShell
+      run={run}
+      error="投放失败"
+      onBack={vi.fn()}
+      onRestart={vi.fn()}
+      onDropShape={vi.fn()}
+    />,
+  );
+
+  const toast = screen.getByRole('alert');
+
+  expect(toast.textContent).toBe('投放失败');
+  expect(toast.className).toContain('platform-runtime-status-toast');
+});
+
 test('引导高亮不会默认指向当前正确洞口', () => {
   renderRuntime();