Agreed about the harness. I went a different way: run a handful of agents in parallel with an isolated environment per agent. Once you get past a few, it's pret

Agreed about the harness. I went a different way: run a handful of agents in parallel with an isolated environment per agent. Once you get past a few, it's pretty easy and gets pretty fast to stand up. It's less isolation than you talk about here, but more than enough for what I'm doing.