feat(desktop): persist i18n language in config

apps/desktop/src/store/boot.ts

@@ -1,6 +1,7 @@
 import { atom } from 'nanostores'
 
 import type { DesktopBootProgress } from '@/global'
+import { translateNow } from '@/i18n'
 
 export interface DesktopBootState extends DesktopBootProgress {
   visible: boolean
@@ -9,7 +10,7 @@ export interface DesktopBootState extends DesktopBootProgress {
 const INITIAL_BOOT_STATE: DesktopBootState = {
   error: null,
   fakeMode: false,
-  message: 'Starting Hermes Desktop…',
+  message: translateNow('boot.steps.startingHermesDesktop'),
   phase: 'renderer.init',
   progress: 2,
   running: true,
@@ -61,7 +62,7 @@ export function setDesktopBootStep(step: {
   })
 }
 
-export function completeDesktopBoot(message = 'Hermes Desktop is ready') {
+export function completeDesktopBoot(message = translateNow('boot.ready')) {
   const current = $desktopBoot.get()
   $desktopBoot.set({
     ...current,
@@ -80,7 +81,7 @@ export function failDesktopBoot(message: string) {
   $desktopBoot.set({
     ...current,
     error: message,
-    message: `Desktop boot failed: ${message}`,
+    message: translateNow('boot.desktopBootFailedWithMessage', message),
     phase: 'renderer.error',
     progress: clampProgress(current.progress),
     running: false,

apps/desktop/src/store/notifications.ts

@@ -1,5 +1,7 @@
 import { atom } from 'nanostores'
 
+import { translateNow } from '@/i18n'
+
 export type NotificationKind = 'error' | 'warning' | 'info' | 'success'
 
 export interface NotificationAction {
@@ -52,28 +54,29 @@ const ERROR_SUMMARIES: { test: (msg: string) => boolean; summarize: (msg: string
     summarize: msg => {
       const status = msg.match(/(?:error code|status(?:Code)?)[^\d]*(\d{3})/i)?.[1]
 
-      return `OpenAI rejected the API key${status ? ` (${status} invalid_api_key)` : ''}.`
+      return status
+        ? translateNow('notifications.errors.openaiRejectedApiKeyWithStatus', status)
+        : translateNow('notifications.errors.openaiRejectedApiKey')
     }
   },
   {
     test: msg => /neither voice_tools_openai_key nor openai_api_key is set/i.test(msg),
-    summarize: () => 'OpenAI TTS needs VOICE_TOOLS_OPENAI_KEY or OPENAI_API_KEY.'
+    summarize: () => translateNow('notifications.errors.openaiTtsNeedsKey')
   },
   {
     test: msg => /ELEVENLABS_API_KEY not set/i.test(msg) || /ElevenLabs STT API error \(HTTP 401\)/i.test(msg),
     summarize: msg =>
       /ELEVENLABS_API_KEY not set/i.test(msg)
-        ? 'ElevenLabs STT needs ELEVENLABS_API_KEY.'
-        : 'ElevenLabs rejected the API key (401).'
+        ? translateNow('notifications.errors.elevenLabsNeedsKey')
+        : translateNow('notifications.errors.elevenLabsRejectedKey')
   },
   {
     test: msg => /method not allowed/i.test(msg),
-    summarize: () =>
-      'The desktop backend rejected that request (405 Method Not Allowed). Try restarting Hermes Desktop.'
+    summarize: () => translateNow('notifications.errors.methodNotAllowed')
   },
   {
     test: msg => /microphone permission/i.test(msg),
-    summarize: () => 'Microphone permission was denied.'
+    summarize: () => translateNow('notifications.errors.microphonePermission')
   }
 ]
 

apps/desktop/src/store/updates.ts

@@ -13,6 +13,7 @@ import type {
   DesktopUpdateStatus,
   DesktopVersionInfo
 } from '@/global'
+import { translateNow } from '@/i18n'
 import { persistString, storedString } from '@/lib/storage'
 import { dismissNotification, notify } from '@/store/notifications'
 
@@ -85,12 +86,12 @@ export function reportBackendContract(contract: number | undefined): void {
   }
 
   notify({
-    action: { label: 'Update Hermes', onClick: () => void applyUpdates() },
+    action: { label: translateNow('notifications.updateHermes'), onClick: () => void applyUpdates() },
     durationMs: 0,
     id: SKEW_TOAST_ID,
     kind: 'warning',
-    message: 'Your Hermes backend is older than this desktop build and may not work correctly. Update to align them.',
-    title: 'Backend out of date'
+    message: translateNow('notifications.backendOutOfDateMessage'),
+    title: translateNow('notifications.backendOutOfDateTitle')
   })
 }
 
@@ -121,7 +122,7 @@ export function maybeNotifyUpdateAvailable(status: DesktopUpdateStatus | null) {
 
   notify({
     action: {
-      label: "See what's new",
+      label: translateNow('notifications.seeWhatsNew'),
       onClick: () => {
         snoozeUpdateToast()
         openUpdatesWindow()
@@ -130,9 +131,9 @@ export function maybeNotifyUpdateAvailable(status: DesktopUpdateStatus | null) {
     durationMs: 0,
     id: UPDATE_TOAST_ID,
     kind: 'info',
-    message: `${behind} new change${behind === 1 ? '' : 's'} available.`,
+    message: translateNow('notifications.updateReadyMessage', behind),
     onDismiss: () => snoozeUpdateToast(),
-    title: 'Update ready'
+    title: translateNow('notifications.updateReadyTitle')
   })
 }