An ambient ASCII flow-field background: a fixed set of tracer particles ride a time-evolving 2D curl-noise velocity field, each glyph's direction ('-', '|', '/', '\\') and trail alpha encoding its heading and speed, with the pointer stirring a local swirl instead of painting or repelling.
pnpm dlx shadcn@latest add "https://design.helpmarq.com/r/background-ascii-flow.json"