funny you should ask…
after a long time re-writing bits over and over, i think i’ve finally got something to a shareable state:
i’ll probably create a new thread for this big v2 update; like the Ship of Theseus, almost every plank of this updated version is new (which might mean new bugs too 
)
update - made a dedicated v2 thread here: https://blenderartists.org/t/wiggle-2/1454788