Oddbean new post about login | logout could do it now that we have push notifications, but its easy to spam so would need to be careful, maybe its not so bad with our relay ratelimiting set up.
I do find it beneficial to have a secondary Nostr app on my phone so I can easily look up hashtags and npubs and note IDs while writing in my primary app… But little things like knowing who to follow back or thanks is a good community building (goodwill) feature Just my 2cents 🪙