fix(plugins): stop automatic detail retry loop

tests/unit/plugins-page.test.tsx

@@ -348,6 +348,75 @@ describe('PluginsView', () => {
     expect(screen.getAllByRole('alert')).toHaveLength(2);
   });
 
+  it('attempts a rejected official detail load once per open and retries only after close and reopen', async () => {
+    preparePluginsRouteState();
+    pluginMarketplaceStore.setState({
+      catalog: {
+        items: [{
+          pluginId: 'makelore.notes',
+          title: 'Notes',
+          summary: 'Write project notes',
+          category: 'productivity',
+          tags: ['notes'],
+          providerDisplayName: 'MakeLore',
+          runtimeKind: 'skill_only',
+          runtimeStatus: 'enabled',
+          acquisition: 'free',
+          usageBilling: 'token_point',
+          includedOperationCount: 0,
+          meteredOperationCount: 1,
+          stableVersion: '2.0.0',
+          betaVersion: null,
+        }],
+        nextCursor: null,
+        total: 1,
+        catalogGeneration: 1,
+        etag: 'catalog-1',
+        pricingVersionId: 'pricing-1',
+        stale: false,
+        fetchedAt: 1,
+      },
+    });
+
+    let rejectFirstAttempt: (reason?: unknown) => void = () => undefined;
+    const firstAttempt = new Promise<void>((_resolve, reject) => {
+      rejectFirstAttempt = reject;
+    });
+    const loadDetail = vi.spyOn(pluginMarketplaceStore.getState(), 'loadDetail')
+      .mockImplementationOnce(async () => await firstAttempt)
+      .mockResolvedValue(undefined);
+
+    render(
+      <MemoryRouter initialEntries={[
+        '/plugins?scope=all&source=all&state=all&plugin=official%3Amakelore.notes',
+      ]}>
+        <Plugins />
+      </MemoryRouter>,
+    );
+
+    await waitFor(() => expect(loadDetail).toHaveBeenCalledTimes(1));
+    await act(async () => {
+      pluginMarketplaceStore.setState((state) => ({
+        detailState: { ...state.detailState, 'makelore.notes': 'error' },
+        catalogError: 'detail offline',
+      }));
+      rejectFirstAttempt(new Error('detail offline'));
+      await Promise.resolve();
+    });
+
+    await act(async () => {
+      await Promise.resolve();
+      await Promise.resolve();
+    });
+    expect(loadDetail).toHaveBeenCalledTimes(1);
+    expect(screen.getByRole('alert', { hidden: true })).toHaveTextContent('插件详情刷新失败。 detail offline');
+
+    fireEvent.click(screen.getByRole('button', { name: '关闭插件详情' }));
+    await waitFor(() => expect(screen.queryByRole('dialog', { name: 'Notes' })).not.toBeInTheDocument());
+    fireEvent.click(screen.getByRole('button', { name: '查看Notes详情' }));
+    await waitFor(() => expect(loadDetail).toHaveBeenCalledTimes(2));
+  });
+
   it('renders the unified workspace and exposes URL-backed filter changes', () => {
     const view = props();
     view.sourceErrors = [