here's a few links that you might find useful. But it would be worth exploring the other recent hn discussions on the topic - i and other unabashed evangelists have shared a lot.

A great "Megamerge" workflow

https://v5.chriskrycho.com/journal/jujutsu-megamerges-and-jj...

https://ofcr.se/jujutsu-merge-workflow

And an absolutely fantastic TUI that wraps jj cli. Might be the best TUI ive ever used, and consistently getting better.

https://github.com/idursun/jjui