How to create separate notes for every annotation in a PDF (or multiple files) in one click?

[growingkittens]

I am using Zotero 6.0.30 with Zotero Better Notes 1.0.4.
My annotations are made on scanned PDFs with the "Select Area" tool.
This is a drawing of the workflow I am trying to achieve:

[sjgknight]

I'm also trying to work this out.
I have multiple annotations using the Zotero annotation tool (on snapshots and pdfs), and I want to create child notes from each annotation, applying the tag from the annotation to the childnote.
I'm trying to work out if that's within scope for better-notes or needs to be some other javascript (because it's not in the core product and probably won't be)...