Can you share some more detail of how you would implement this? Are you thinking something like VirtualBox (?), running a virtual machine, and you're using - for example, OpenCode terminal in the VM...?

I've used pretty much this type of setup:

https://michael.stapelberg.ch/posts/2026-02-01-coding-agent-...

If you want something not NixOS-related, smolmachines.com (I haven't tried this yet) gets mentioned here a lot.