feat: implement useMarkAsRead hook for improved unread state management and update notification handling

src/index.tsx

@@ -60,8 +60,8 @@ async function checkForUpdates() {
     return;
   }
 
-  // Only run in Tauri context
-  if (!isTauri()) {
+  // Only run in Tauri context (not Electron)
+  if (!isTauri() || isElectron()) {
     console.log('Update check skipped - not running in Tauri');
     return;
   }