Debug Progressive Web App and push notification functionality
• OneSignal SDK is not initialized
• No player ID available (user not subscribed to push notifications)
Make sure you've allowed notifications and OneSignal is properly configured.
1. Make sure you've allowed notifications in your browser
2. Check that OneSignal is initialized (green badge above)
3. Click any test button to send a notification
4. You should receive the notification within a few seconds
5. Check the test results for success/error messages