Looks like Pi does do it (I was not an aware of Pi before now). It's obvious the industry is standardizing around git worktrees + agents, it's just about which tool has your favorite ergonomics at this point.

For me I liked the ergonomics of a few other tools, but none of them were exactly what I wanted so I made my own. And, I kept it open source so anyone can tweak the ergonomics to be what they like