I wanted to do the same, and in the end gave up in favour of a simpler approach: I drop the bookmarks in my notes, I can tag as I please, less moving parts and

I wanted to do the same, and in the end gave up in favour of a simpler approach: I drop the bookmarks in my notes, I can tag as I please, less moving parts and it's easier to search. But I would still like to see someone figuring this out!