It emits a decently modeled JSON array of Story objects for the named account.
There's no README (yet) because I only made it for my own purposes, and didn't expect anyone else to want to use it!
It is go gettable with:
go get jaytaylor.com/hn-utils
hn-utils -u sharemywin
It was a bit surprising to discover HN doesn't offer a proper firebase API for user favorites data, though knowing dang et. al, there's likely a well thought out reason. Or perhaps simply hasn't yet bubbled to the top of the priorities queue.
Also added an overview + data for you here:
Hope this helps!