Mermaid diagrams are awesome, the usual pain points which I am trying to solve in https://mdview.io is to allow to fix broken diagrams visually: you hit Quick Fix and then given 3 fix propositions to choose from. Sounds complicated but it works in 80% of times
There have been too many ads for this site posted this month. 8 of your 10 recent comments are just site promotions, which is getting annoying.
By the way, I don't really see the value here. Most of this could be vibe-coded and reimplemented in a day or two. It’s just an integration of existing NPM libraries.