That's doable. Common Lisp has a programmable debugger hook which allows for implementing one's own debugger - also, possibly, as a web application. And for sit

That's doable. Common Lisp has a programmable debugger hook which allows for implementing one's own debugger - also, possibly, as a web application. And for situations where the standard debugger hook is not enough (e.g. BREAK or INVOKE-DEBUGGER), one can use https://github.com/phoe/trivial-custom-debugger https://github.com/phoe/trivial-custom-debugger to completely override the system debugger with a custom one.