I asked: “What are the benefits of using CLOS instead of structs and generic functions?” (Common Lisp, of course), and the answer was uneven, as is typical: https://chat.openai.com/share/f85473d2-b7a9-4867-b597-a957dae6b92d

If you’re asking how to make a package consisting of multiple files in Common Lisp, try this for a start: https://lispcookbook.github.io/cl-cookbook/systems.html