A background-task progress indicator built on the baker's windowpane test: a dough membrane is stretched, held, and released on a repeating 4-cycle knead loop, going from opaque and jittery-stranded to translucent, straight-stranded and light-through as kneading 'develops', then rests fully developed before a fresh dough test begins.
npx shadcn@latest add https://design.helpmarq.com/r/gluten-windowpane.jsongluten-windowpane