继续沉淀结果页返回按钮

新增共享 PlatformBackActionButton 承接结果页轻量返回入口
将拼图方洞拼消消视觉小说等结果页返回按钮收口到共享组件
将拼消消跳一跳敲木鱼宝贝识物结果页返回按钮收口到共享组件
补充对应测试并更新 PlatformUiKit 收口计划与共享决策记录

src/components/match3d-result/Match3DResultView.test.tsx

@@ -148,6 +148,31 @@ function createReadyGeneratedItemAsset(index: number) {
 }
 
 describe('Match3DResultView', () => {
+  test('结果页头部返回按钮复用共享 compact back action button', () => {
+    const onBack = vi.fn();
+
+    render(
+      <Match3DResultView
+        profile={createProfile()}
+        onBack={onBack}
+        onStartTestRun={() => {}}
+      />,
+    );
+
+    const backButton = screen.getByRole('button', { name: '返回' });
+
+    expect(backButton.className).toContain('platform-button--ghost');
+    expect(backButton.className).toContain('text-[11px]');
+    expect(backButton.className).toContain('gap-1.5');
+    expect(backButton.querySelector('svg')?.className.baseVal).toContain(
+      'h-3.5',
+    );
+
+    fireEvent.click(backButton);
+
+    expect(onBack).toHaveBeenCalledTimes(1);
+  });
+
   test('标准白底面板使用 PlatformSubpanel lg 外壳', async () => {
     match3dSpritesheetParser.loadMatch3DSpritesheetAssetRegions.mockResolvedValue(
       Array.from({ length: 10 }, (_, index) => ({