With extra bonus: write an installer script that symlinks the files to the correct place. Use Ansible, plain old Bash, or Python depending on your preference.
For cat poop, we got one of these dog playpen enclosures: Amazon Basics - Octagonal Foldable Metal Exercise Pet Play Pen for Dogs, Fence Pen, Single Door, Small, 60 x 60 x 30 Inches, Black a.co/d/6Nz4VuU
It is set so that the cats can get through a gap easily, but Henry can’t get his head through without causing a huge racket.