fix(marketplace): close client review findings

tests/unit/plugin-marketplace-pages.test.tsx

@@ -154,6 +154,25 @@ describe('My Plugins', () => {
     expect(screen.getByText('设备版本 1.5.0')).toBeVisible();
   });
 
+  it('does not present a no-version unavailable projection as an installed device package', () => {
+    render(<MemoryRouter><MyPluginsView
+      library={{ ...library, items: [library.items[0]] }}
+      installations={{
+        'makelore.notes': {
+          status: 'unavailable', pluginId: 'makelore.notes', reason: 'plugin_incompatible_client',
+        },
+      }}
+      state="ready" pending={{}} onRefresh={vi.fn()} onInstall={vi.fn()} onUpdate={vi.fn()}
+      onInstallBeta={vi.fn()} onUninstall={vi.fn()} onRemove={vi.fn()} onReacquire={vi.fn()}
+    /></MemoryRouter>);
+
+    expect(screen.getByText('尚未下载到设备')).toBeVisible();
+    expect(screen.getByRole('button', { name: '下载灵感笔记' })).toBeVisible();
+    expect(screen.queryByRole('button', { name: '删除设备上的灵感笔记' })).not.toBeInTheDocument();
+    expect(screen.queryByText('设备版本已是最新')).not.toBeInTheDocument();
+    expect(screen.getByText(/当前 MakeLore 版本不兼容/)).toBeVisible();
+  });
+
   it('honestly groups stable Main failure codes without claiming hidden authority', () => {
     const { rerender } = render(<MemoryRouter><MyPluginsView
       library={{ ...library, items: [library.items[0]] }} installations={{}} state="ready"