It has pretty rapidly reached the point where I do not think any acceptable LLM-harness is widely available. Every single one I've tried has broken in bizarre ways on even minor updates.
Build your own, using the broken harness
Maybe thats just the tool nerd in me that just wants the perfect tool for every job.
Pi as well? Comparatively it's quite a small surface. I haven't seen issues when I upgrade.
I used codex the first time yesterday and quickly decided I need to sandbox it and came up with a pretty easy and straightforward solution (I think).
I use nixos and use a little wrapper that wraps Codex CLI in Docker. Run codex-box /path/to/project and it starts or reuses a container with only that project bind-mounted, keeping login and history in a separate volume. It uses tmux for detaching and reattaching
https://gist.github.com/entropie/8f30b9e33e9412fda3adf2f7507...