refactor(frontend): lint, one session guard, one request helper, one user context

src/pages/GameDetail.reload.test.jsx

@@ -4,6 +4,7 @@ import {cleanup, fireEvent, render, screen, waitFor} from '@testing-library/reac
 import {MemoryRouter, Route, Routes} from 'react-router-dom';
 import GameDetail from './GameDetail.jsx';
 import {PreferencesProvider} from '../context/PreferencesContext.jsx';
+import {CurrentUserProvider} from '../context/CurrentUserContext.jsx';
 
 vi.mock('react-i18next', () => import('../test/i18n-mock.js'));
 // Stands in for a saved correction, which loads the game again.
@@ -31,9 +32,9 @@ afterEach(() => {
 
 it('keeps unsaved notes while the game loads again after a correction', async () => {
     render(
-        <MemoryRouter initialEntries={['/library/220']}><PreferencesProvider>
+        <MemoryRouter initialEntries={['/library/220']}><PreferencesProvider><CurrentUserProvider>
             <Routes><Route path="/library/:appid" element={<GameDetail/>}/></Routes>
-        </PreferencesProvider></MemoryRouter>,
+        </CurrentUserProvider></PreferencesProvider></MemoryRouter>,
     );
     fireEvent.change(await screen.findByLabelText('BACKLOG.NOTES_LABEL'), {target: {value: 'my draft'}});