A system diagram assembles column by column, with orthogonal connectors that only draw once both of their endpoints exist

This is the format it was composed for. Switch above to see it lay itself out for another — same animation, re-arranged for the frame.
No Tailwind, no CSS, no asset files. Inline styles only.
A system architecture diagram that assembles from a JSON graph — node boxes appearing column by column, then orthogonal right-angle connectors drawing between them with small arrowheads and edge labels.