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/puzzle-result/PuzzleResultView.test.tsx

@@ -100,6 +100,29 @@ test('renders missing draft notice with shared PlatformEmptyState chrome', () =>
   expect(noticePanel?.className).toContain('text-[var(--platform-text-soft)]');
 });
 
+test('renders shared compact back action button in result header', () => {
+  const onBack = vi.fn();
+
+  render(
+    <PuzzleResultView
+      session={createSession()}
+      onBack={onBack}
+      onExecuteAction={() => {}}
+    />,
+  );
+
+  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);
+});
+
 function createSession(
   overrides: Partial<PuzzleAgentSessionSnapshot> = {},
 ): PuzzleAgentSessionSnapshot {

src/components/puzzle-result/PuzzleResultView.tsx

@@ -1,5 +1,4 @@
 import {
-  ArrowLeft,
   CheckCircle2,
   Loader2,
   MessageSquareText,
@@ -23,6 +22,7 @@ import { readPuzzleReferenceImageAsDataUrl } from '../../services/puzzleReferenc
 import { useAuthUi } from '../auth/AuthUiContext';
 import { CreativeImageInputPanel } from '../common/CreativeImageInputPanel';
 import { PlatformActionButton } from '../common/PlatformActionButton';
+import { PlatformBackActionButton } from '../common/PlatformBackActionButton';
 import { PlatformEmptyState } from '../common/PlatformEmptyState';
 import { PlatformFieldLabel } from '../common/PlatformFieldLabel';
 import { PlatformIconBadge } from '../common/PlatformIconBadge';
@@ -425,18 +425,11 @@ function PuzzleResultHeader({
 
   return (
     <div className="mb-4 flex items-center justify-between gap-3">
-      <PlatformActionButton
+      <PlatformBackActionButton
         onClick={onBack}
         disabled={isBusy}
-        tone="ghost"
-        size="xs"
-        className="min-h-0 self-start py-1.5 text-[11px]"
-      >
-        <span className="inline-flex items-center gap-1.5">
-          <ArrowLeft className="h-3.5 w-3.5" />
-          返回
-        </span>
-      </PlatformActionButton>
+        variant="compact"
+      />
       {autoSaveBadge}
     </div>
   );