See that’s still too vague. Cleaning the bathroom is a domestic duty and yet is something a janitor does in this context. I would say that’s probably the dividing line, if it’s something you’d pay someone to do then they would be banned from requiring it.
Congratulations you just created a prisoner government that will require select prisoners to do all the work or be physically and sexually assaulted.
We put them there, it’s our responsibility to take care of them. There’s no getting around that.