Replace the grab-bag demo (3 disconnected feature boxes) with a real product
screen that teaches the OpenPencil workflow by example:
- Component Library: Button (primary/secondary), Badge, Avatar, Nav item,
Toggle as actual COMPONENTs
- App — Analytics: a modern dashboard assembled from INSTANCEs of those
components, laid out with real auto-layout (sidebar, stat row, chart,
callout), themed via bound semantic variables
- Single restrained palette (one accent + surfaces/text/semantic tones)
- Instance text set with recorded overrides so component sync keeps labels
Editing a variable re-themes the screen; resizing frames demonstrates live
auto-layout reflow.