I should make a "scratchpad" on notedown, which is like an infinite canvas on which you can drop executable code blocks, text nodes, tldraw whiteboards, image, iframes, links etc. When I'm learning something like say "Metaprogramming" in javascript, I usually open up a new note on notedown, to draw diagrams randomly and write and execute snippets of code. But that note doesn't really flow from top to bottom like a finished note does. There should be a scratchpad like thing for this.
But my health keeps getting worse.