Localize macOS application menu and correct AITURK package checks

apps/desktop/electron/main.ts

@@ -261,6 +261,7 @@ import {
   resolveOauthRestAuth,
   resolveReadinessProbeAuth
 } from './native-auth-decisions'
+import { localizeNativeMenu, type NativeMenuLocale, resolveNativeMenuLocale } from './native-menu-locale'
 import {
   nativeRefreshUrl,
   type NativeTokenSet,
@@ -6755,11 +6756,13 @@ function sendWindowStateChanged(nextIsFullscreen?: boolean, target = mainWindow)
   webContents.send('hermes:window-state-changed', state)
 }
 
+let nativeMenuLocale: NativeMenuLocale = 'tr'
+
 function buildApplicationMenu() {
   const template = []
 
   const checkForUpdatesItem = {
-    label: 'AITURK IDE güncellemeleri…',
+    label: 'Check for Updates…',
     click: () => IS_PACKAGED ? void shell.openExternal(AITURK_PRODUCT.downloads) : sendOpenUpdatesRequested()
   }
 
@@ -6886,7 +6889,7 @@ function buildApplicationMenu() {
     submenu: [checkForUpdatesItem]
   })
 
-  return Menu.buildFromTemplate(template)
+  return Menu.buildFromTemplate(localizeNativeMenu(template, nativeMenuLocale, APP_NAME))
 }
 
 function toggleDevTools(window) {
@@ -16955,6 +16958,22 @@ ipcMain.on('hermes:titlebar-theme', (_event, payload) => {
   }
 })
 
+// Language stays in backend display.language; this only updates native labels.
+ipcMain.on('hermes:ui-language', (event, locale) => {
+  if (!IS_MAC) {
+    return
+  }
+
+  const next = resolveNativeMenuLocale(locale, event.sender.id, mainWindow?.webContents.id)
+
+  if (next === null || next === nativeMenuLocale) {
+    return
+  }
+
+  nativeMenuLocale = next
+  Menu.setApplicationMenu(buildApplicationMenu())
+})
+
 // Pin the native appearance to the app theme (see NATIVE_THEME_CONFIG_PATH).
 ipcMain.on('hermes:native-theme', (_event, mode) => {
   if (!THEME_SOURCES.has(mode)) {

apps/desktop/electron/native-menu-locale.test.ts

@@ -0,0 +1,53 @@
+import type { MenuItemConstructorOptions } from 'electron'
+import { describe, expect, it, vi } from 'vitest'
+
+import { localizeNativeMenu, resolveNativeMenuLocale } from './native-menu-locale'
+
+describe('native menu language', () => {
+  it('translates nested labels without changing actions, roles or keyboard ownership', () => {
+    const openFolder = vi.fn()
+    const zoom = vi.fn()
+
+    const template: MenuItemConstructorOptions[] = [
+      {
+        label: 'File',
+        submenu: [{ label: 'Open Folder…', click: openFolder }, { type: 'separator' }, { role: 'quit' }]
+      },
+      {
+        label: 'View',
+        submenu: [{ label: 'Zoom In', accelerator: 'CommandOrControl+Plus', click: zoom }, { role: 'togglefullscreen' }]
+      },
+      { label: 'My custom action', enabled: false }
+    ]
+
+    const translated = localizeNativeMenu(template, 'tr', 'AITURK IDE')
+    const file = translated[0].submenu as MenuItemConstructorOptions[]
+    const view = translated[1].submenu as MenuItemConstructorOptions[]
+    expect(translated[0].label).toBe('Dosya')
+    expect(file[0]).toEqual({ label: 'Klasör aç…', click: openFolder })
+    expect(file[1]).toEqual({ type: 'separator' })
+    expect(file[2]).toEqual({ role: 'quit', label: 'AITURK IDE uygulamasından çık' })
+    expect(view[0]).toEqual({ label: 'Yakınlaştır', accelerator: 'CommandOrControl+Plus', click: zoom })
+    expect(view[1].role).toBe('togglefullscreen')
+    expect(translated[2]).toEqual(template[2])
+    expect(localizeNativeMenu(template, 'en', 'AITURK IDE')).toBe(template)
+    expect((template[0].submenu as MenuItemConstructorOptions[])[0].label).toBe('Open Folder…')
+    expect(openFolder).not.toHaveBeenCalled()
+    expect(zoom).not.toHaveBeenCalled()
+  })
+
+  it('accepts only supported language messages from the primary renderer', () => {
+    expect(resolveNativeMenuLocale('tr', 42, 42)).toBe('tr')
+    expect(resolveNativeMenuLocale('en', 42, 42)).toBe('en')
+    expect(resolveNativeMenuLocale('ja', 42, 42)).toBe('en')
+
+    for (const locale of ['tr', 'en']) {
+      expect(resolveNativeMenuLocale(locale, 43, 42)).toBeNull()
+      expect(resolveNativeMenuLocale(locale, 42, undefined)).toBeNull()
+    }
+
+    for (const value of [null, {}, ['tr'], 'unsupported', '__proto__']) {
+      expect(resolveNativeMenuLocale(value, 42, 42)).toBeNull()
+    }
+  })
+})

apps/desktop/electron/native-menu-locale.ts

@@ -0,0 +1,90 @@
+import type { MenuItemConstructorOptions } from 'electron'
+
+export type NativeMenuLocale = 'en' | 'tr'
+
+// Only the primary settings surface owns the app-wide menu language. Utility
+// windows have their own I18nProvider and must not overwrite that preference.
+export function resolveNativeMenuLocale(
+  value: unknown,
+  senderId: number,
+  primaryId: number | undefined
+): NativeMenuLocale | null {
+  if (primaryId === undefined || senderId !== primaryId) {
+    return null
+  }
+
+  if (value === 'tr') {
+    return 'tr'
+  }
+
+  if (typeof value === 'string' && ['en', 'zh', 'zh-hant', 'ja', 'ar', 'ru'].includes(value)) {
+    return 'en'
+  }
+
+  return null
+}
+
+export function localizeNativeMenu(
+  template: MenuItemConstructorOptions[],
+  locale: NativeMenuLocale,
+  appName: string
+): MenuItemConstructorOptions[] {
+  if (locale !== 'tr') {
+    return template
+  }
+
+  const labels: Record<string, string> = {
+    [`About ${appName}`]: `${appName} Hakkında`,
+    'Check for Updates…': 'Güncellemeleri kontrol et…',
+    File: 'Dosya',
+    'New Window': 'Yeni pencere',
+    'Open Folder…': 'Klasör aç…',
+    Close: 'Kapat',
+    Edit: 'Düzen',
+    View: 'Görünüm',
+    Reload: 'Yenile',
+    'Toggle Developer Tools': 'Geliştirici araçlarını aç/kapat',
+    'Actual Size': 'Gerçek boyut',
+    'Zoom In': 'Yakınlaştır',
+    'Zoom Out': 'Uzaklaştır',
+    Window: 'Pencere',
+    Help: 'Yardım'
+  }
+
+  const roles: Partial<Record<NonNullable<MenuItemConstructorOptions['role']>, string>> = {
+    services: 'Servisler',
+    hide: `${appName} uygulamasını gizle`,
+    hideOthers: 'Diğerlerini gizle',
+    unhide: 'Tümünü göster',
+    quit: `${appName} uygulamasından çık`,
+    undo: 'Geri al',
+    redo: 'Yinele',
+    cut: 'Kes',
+    copy: 'Kopyala',
+    paste: 'Yapıştır',
+    pasteAndMatchStyle: 'Biçimlendirmeden yapıştır',
+    delete: 'Sil',
+    selectAll: 'Tümünü seç',
+    forceReload: 'Uygulamayı zorla yenile',
+    togglefullscreen: 'Tam ekranı aç/kapat',
+    minimize: 'Simge durumuna küçült',
+    zoom: 'Pencereyi büyüt/küçült',
+    front: 'Tümünü öne getir',
+    close: 'Kapat'
+  }
+
+  return template.map(item => {
+    const label =
+      item.label !== undefined
+        ? Object.hasOwn(labels, item.label)
+          ? labels[item.label]
+          : item.label
+        : item.role && roles[item.role]
+
+    return {
+      ...item,
+      ...(label !== undefined && { label }),
+      ...(Array.isArray(item.submenu) && { submenu: localizeNativeMenu(item.submenu, locale, appName) })
+    }
+  })
+}

apps/desktop/electron/preload.ts

@@ -13,6 +13,7 @@ const hudNativeDrag = hudWindowing?.nativeDrag === true
 const launchFlags = ipcRenderer.sendSync('hermes:launch-flags')
 
 contextBridge.exposeInMainWorld('hermesDesktop', {
+  setUiLanguage: (locale: string) => ipcRenderer.send('hermes:ui-language', locale),
   glassSupported: translucencySupport?.glass === true,
   translucencySupported: translucencySupport?.translucency === true,
   // Launch-flag fact: the app was started with --local, so the renderer may