fix public work detail not found recovery

src/components/rpg-entry/RpgEntryFlowShell.agent.interaction.test.tsx

@@ -31,6 +31,10 @@ import type {
   CustomWorldLibraryEntry,
 } from '../../../packages/shared/src/contracts/runtime';
 import type { HydratedSavedGameSnapshot } from '../../persistence/runtimeSnapshotTypes';
+import {
+  readPublicWorkCodeFromLocationSearch,
+  resolveSelectionStageFromPath,
+} from '../../routing/appPageRoutes';
 import { ApiClientError } from '../../services/apiClient';
 import type { AuthUser } from '../../services/authService';
 import {
@@ -1423,15 +1427,17 @@ function TestWrapper({
   onSelectWorld?: RpgEntryFlowShellProps['handleCustomWorldSelect'];
 } = {}) {
   const [selectionStage, setSelectionStage] = useState<SelectionStage>(() =>
-    window.location.pathname === '/creation/rpg/agent'
-      ? 'agent-workspace'
-      : 'platform',
+    resolveSelectionStageFromPath(window.location.pathname),
+  );
+  const [initialPublicWorkCode] = useState(() =>
+    readPublicWorkCodeFromLocationSearch(window.location.search),
   );
 
   const content = (
     <RpgEntryFlowShell
       selectionStage={selectionStage}
       setSelectionStage={setSelectionStage}
+      initialPublicWorkCode={initialPublicWorkCode}
       hasSavedGame={false}
       savedSnapshot={null}
       handleContinueGame={onContinueGame ?? (() => {})}
@@ -4392,6 +4398,39 @@ test('missing puzzle public detail returns to platform home', async () => {
   expect(startPuzzleRun).toHaveBeenCalledTimes(0);
 });
 
+test('direct missing public work detail alert returns to platform home', async () => {
+  const alertSpy = vi.spyOn(window, 'alert').mockImplementation(() => {});
+
+  window.history.replaceState(
+    null,
+    '',
+    '/works/detail?work=PZ-7A7B18D9',
+  );
+  vi.mocked(listPuzzleGallery).mockResolvedValue({
+    items: [],
+  });
+
+  render(<TestWrapper withAuth />);
+
+  expect(await screen.findByText('正在读取作品详情...')).toBeTruthy();
+
+  await waitFor(() => {
+    expect(alertSpy).toHaveBeenCalledWith('作品不存在或已下架，将返回首页。');
+  });
+  await waitFor(() => {
+    expect(window.location.pathname).toBe('/');
+  });
+  expect(window.location.search).toBe('');
+  await waitFor(() => {
+    expect(getPlatformTabPanel('home').getAttribute('aria-hidden')).toBe(
+      'false',
+    );
+  });
+  expect(screen.queryByText('详情')).toBeNull();
+  expect(screen.queryByText('未找到拼图作品。')).toBeNull();
+  expect(startPuzzleRun).toHaveBeenCalledTimes(0);
+});
+
 test('public code search opens a published big fish work by BF code', async () => {
   const user = userEvent.setup();
   const bigFishWork: BigFishWorkSummary = {