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/jump-hop-result/JumpHopResultView.test.tsx

@@ -1,6 +1,6 @@
 /* @vitest-environment jsdom */
 
-import { render, screen } from '@testing-library/react';
+import { fireEvent, render, screen } from '@testing-library/react';
 import { beforeEach, expect, test, vi } from 'vitest';
 
 import type { JumpHopWorkProfileResponse } from '../../../packages/shared/src/contracts/jumpHop';
@@ -290,6 +290,32 @@ test('跳一跳草稿结果页不请求公开排行榜', () => {
   expect(screen.queryByText('排行榜')).toBeNull();
 });
 
+test('跳一跳结果页头部返回按钮复用共享 back action button', () => {
+  const onBack = vi.fn();
+
+  render(
+    <JumpHopResultView
+      profile={buildProfile()}
+      onBack={onBack}
+      onEdit={() => {}}
+      onStartTestRun={() => {}}
+      onPublish={() => {}}
+      onRegenerateTiles={() => {}}
+    />,
+  );
+
+  const backButton = screen.getByRole('button', { name: '返回' });
+
+  expect(backButton.className).toContain('platform-button--ghost');
+  expect(backButton.className).toContain('text-sm');
+  expect(backButton.className).toContain('gap-2');
+  expect(backButton.querySelector('svg')?.className.baseVal).toContain('h-4');
+
+  fireEvent.click(backButton);
+
+  expect(onBack).toHaveBeenCalledTimes(1);
+});
+
 function buildProfile(
   options: {
     publicationStatus?: JumpHopWorkProfileResponse['summary']['publicationStatus'];

src/components/jump-hop-result/JumpHopResultView.tsx

@@ -13,6 +13,7 @@ import {
 } from '../../services/jump-hop/jumpHopRuntimeModel';
 import { useJumpHopLeaderboard } from '../../services/jump-hop/useJumpHopLeaderboard';
 import { PlatformActionButton } from '../common/PlatformActionButton';
+import { PlatformBackActionButton } from '../common/PlatformBackActionButton';
 import { PlatformEmptyState } from '../common/PlatformEmptyState';
 import { PlatformMediaFrame } from '../common/PlatformMediaFrame';
 import { PlatformMediaTileGrid } from '../common/PlatformMediaTileGrid';
@@ -331,15 +332,10 @@ export function JumpHopResultView({
   return (
     <div className="platform-remap-surface mx-auto flex h-full min-h-0 w-full max-w-5xl flex-col overflow-y-auto overscroll-contain px-3 pb-[max(1.5rem,env(safe-area-inset-bottom))] pt-3 sm:px-4 sm:pt-4">
       <div className="mb-3 flex items-center justify-between gap-3">
-        <PlatformActionButton
+        <PlatformBackActionButton
           onClick={onBack}
-          tone="ghost"
-          size="xs"
-          className="min-h-0 gap-2 py-2 text-sm"
-        >
-          <ArrowLeft className="h-4 w-4" />
-          返回
-        </PlatformActionButton>
+          variant="regular"
+        />
         <div className="flex gap-2">
           <PlatformActionButton
             onClick={onRegenerateTiles}