feat(i18n): add internationalization support for tray menu

- Implement TrayTexts struct to manage multilingual tray menu text
- Auto-refresh tray menu when language settings change
- Add missing notification message translations
- Format code for consistency

src/hooks/useSettings.ts

@@ -1,7 +1,7 @@
 import { useCallback, useMemo } from "react";
 import { useTranslation } from "react-i18next";
 import { toast } from "sonner";
-import { settingsApi, type AppId } from "@/lib/api";
+import { providersApi, settingsApi, type AppId } from "@/lib/api";
 import { useSettingsQuery, useSaveSettingsMutation } from "@/lib/query";
 import type { Settings } from "@/types";
 import { useSettingsForm, type SettingsFormState } from "./useSettingsForm";
@@ -161,6 +161,12 @@ export function useSettings(): UseSettingsResult {
         );
       }
 
+      try {
+        await providersApi.updateTrayMenu();
+      } catch (error) {
+        console.warn("[useSettings] Failed to refresh tray menu", error);
+      }
+
       const appDirChanged = sanitizedAppDir !== (previousAppDir ?? undefined);
       setRequiresRestart(appDirChanged);