> - Convert local links to relative

This is the default.

> - Keep external links absolute

Same :)

> - Use the --replace-external (or similar) for local
> links to filtered-out pages (like login, history,
> edit, etc.)

Same :)

You only need to setup properly scan rules ; for example:

-* +www.yoursite.com/* -www.yoursite.com/login* -www.yoursite.com/history/*
--www.yoursite.com/edit*