chore(history): squash 16 commit(s) from 2026-09-26

- chore(backend): sync Cargo.lock with gateway dev-dependency
- feat(frontend): ClickGui replica matching the in-game GUI — category panels, Modules/Settings switch, theme cards
- feat(frontend): floating glass top bar in the mod's UI language
- fix(frontend): soft night backdrop for the ClickGui, editor that fits one screen
- chore(frontend): replace em dashes in UI copy with lighter separators
- refactor(frontend): split landing sections and theme editor into subfolders (4-files-per-folder rule)
- feat(frontend): login and registration in the mod's glass panel style
- feat(frontend): link the game with a device code
- feat(frontend): account page with avatar upload and linked games
- feat(frontend): my configs with share codes and publishing
- feat(frontend): public showcase listing and detail pages
- chore(frontend): drop em dashes from visible copy
- feat(frontend): atmospheric backdrop, glass download block and ClickGui-style FAQ on the landing
- feat(frontend): Konami code, DevTools console greeting and ASCII 404 block
- feat: public player profiles at /u/:id and author link in the showcase
- fix(frontend): stop the theme editor overflowing horizontally at 375px

frontend/src/features/account/tests/account.test.tsx

@@ -0,0 +1,33 @@
+import { screen, within } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { expect, test } from 'vitest'
+import { checkAvatarFile } from '../api'
+import { DeviceList } from '../components/DeviceList'
+import { renderApp } from '../../../test/render'
+import { json, mockFetch } from '../../../test/fetch'
+
+test('avatar file checks', () => {
+  expect(checkAvatarFile(new File(['x'], 'a.gif', { type: 'image/gif' }))).toBe('Подойдёт PNG, JPG или WebP.')
+  const big = new File([new Uint8Array(5 * 1024 * 1024 + 1)], 'a.png', { type: 'image/png' })
+  expect(checkAvatarFile(big)).toBe('Файл больше 5 МБ.')
+  expect(checkAvatarFile(new File(['x'], 'a.png', { type: 'image/png' }))).toBeUndefined()
+})
+
+test('revoking a device asks for confirmation first', async () => {
+  const user = userEvent.setup()
+  let devices = [{ id: 'd1', linked_at: '2026-09-20T10:00:00Z', last_seen: null }]
+  const fetch = mockFetch({
+    'POST /auth/refresh': () => json({}, 401),
+    'GET /device/links': () => json(devices),
+    'DELETE /device/links/d1': () => {
+      devices = []
+      return new Response(null, { status: 204 })
+    },
+  })
+  renderApp([{ path: '/', element: <DeviceList /> }])
+  const row = await screen.findByRole('listitem')
+  await user.click(within(row).getByRole('button', { name: 'Отвязать' }))
+  expect(fetch.mock.calls.some(([, i]) => i?.method === 'DELETE')).toBe(false)
+  await user.click(within(row).getByRole('button', { name: 'Точно отвязать?' }))
+  expect(await screen.findByText(/Пока ни одной игры/)).toBeInTheDocument()
+})