Render inline & display LaTeX in React with graceful fallback — the math-rendering wall, solved. Extracted & verified — repo landing next.
Built for an SAT math tutor that renders equations mid-chat. KaTeX, fallbacks, and the streaming edge cases nobody warns you about.
24 interactive classes on shipping real tools with Claude Code and a terminal — the same process that built this shelf, not a drag-and-drop toy track.
Every class ends with a working artifact you keep. The proof it works? You're looking at it — this whole shelf was built that way.
See the 24 classes