Community-maintained principles reviewed before publication and retrieved as Agent design constraints.
Drag and Drop Alternatives turns a frequent interface judgment into an executable constraint before generation.
Drag and drop is useful direct manipulation, but sorting, moving, and upload need non-drag alternatives.86%Visual Foundationsicons / affordanceIcon Text Affordance Balance turns a frequent interface judgment into an executable constraint before generation.
Icons are not universal language; affordance comes from icon, label, placement, and feedback together.84%Interaction Responsive Motioninputs / controlsControls should match decision shape: toggles for binary, segmented controls for modes, menus for option sets, sliders for continuous values.
The wrong control adds cognitive cost and makes reversibility unclear.82%