I'm also a professional Kanban guy (Scrum Master to a couple of teams, playing with Kanban method and metrics) and I'm thinking about some few tiny modifications to (hopefully) improve it in a more Kanban-accurate way.
As soon as it'll be ready, I would like to post it to my "digital garden" here https://marcoxbresciani.codeberg.page/kaizen.html but first I'd like to send it to you for your opinion, if you don't mind.