feat(mobile): album management pages with qr share

Co-Authored-By: Claude Code <noreply@anthropic.com>

apps/mobile/test/pages/settings_tab_test.dart

@@ -69,18 +69,21 @@ void main() {
   testWidgets('退出登录 → api.logout + 清会话 + 清栈回 /login（服务端失败亦然）',
       (tester) async {
     // 服务端撤销失败（500）也照样本地登出——尽力而为语义。
-    final adapter = FakeAdapter(
-      (o) => o.path == '/v1/auth/logout'
-          ? (500, errorBody('INTERNAL_ERROR'))
-          : throw StateError('unexpected ${o.path}'),
-    );
+    // 首页「相册」页签（Task 4）进入即自动拉列表，需一并兜底路由。
+    final adapter = FakeAdapter((o) {
+      if (o.path == '/v1/auth/logout') return (500, errorBody('INTERNAL_ERROR'));
+      if (o.path == '/v1/albums') return (500, errorBody('INTERNAL_ERROR'));
+      throw StateError('unexpected ${o.path}');
+    });
     await pumpHome(tester, clientOf(adapter));
 
     await tester.tap(find.text('Sign out'));
     await tester.pumpAndSettle();
 
-    expect(adapter.requests.single.path, '/v1/auth/logout');
-    expect(adapter.requests.single.method, 'POST');
+    final logout = adapter.requests.singleWhere(
+      (r) => r.path == '/v1/auth/logout',
+    );
+    expect(logout.method, 'POST');
     expect(store.session, isNull, reason: '本地会话必须清除');
     expect(find.byType(LoginPage), findsOneWidget);
     expect(find.byType(HomePage), findsNothing, reason: '主壳已出栈');