Gleason is solid with PWA notifications (they have a central relay). Try adding either

Ditto

Ditto

Nostr community server

or else

Gleasonator

Gleasonator

Building the next generation of social media. Speak Freely.

and to the home screen and when done sign in. At some stage you should get a prompt to allow notifications as attached. Once you approve then the PWA will show as notification enabled in your notification settings, double check. Then wait for some nostr notifications (replies, reactions) and see if you're getting them even when the app isn't active.