See also excellent write up on Pi agent harness by its author, where I first heard this idea "bash is all you need".
What I learned building an opinionated and minimal coding agent
https://news.ycombinator.com/item?id=46844822
https://mariozechner.at/posts/2025-11-30-pi-coding-agent/
I cannot directly answer your question, because I am looking into this topic myself currently, but I found this HN discussion from two weeks ago, which should give you more insights about pi: https://news.ycombinator.com/item?id=46844822
See also excellent write up on Pi agent harness by its author, where I first heard this idea "bash is all you need".
What I learned building an opinionated and minimal coding agent
https://news.ycombinator.com/item?id=46844822
https://mariozechner.at/posts/2025-11-30-pi-coding-agent/