Asciidoctor's extensions API made this relatively easy, given the complexity of what we're trying to do.
Discussion
It's so elegant, that it looks like it must be simple to do, but we've been breaking our heads over this, for weeks. 🤣 Discussions, PRs, diagrams, research papers with LLM models and algorithmic design and now the parser and...
The complexity of the data structure is so well-hidden. Very nice. Looks just like you would expect it to.

Just wait till we add in the fun features.
Wikilinks, point-and-click reorganization of zettels, remixing, commenting...
The goal is to make it feel natural. What you see is just the beginning.
