# A · hover-click DOM — verification demo

Hover any element below to see the preview ring. Click to commit selection and open the floating toolbar. Use the toolbar to Move / Resize / Style / Duplicate / Delete / Inspect / Info. Esc or outside-click dismisses. Mobile: long-press the element to commit. Alt+Click walks one ancestor up.

## Demo scene

Pick anything in this box. The toolbar reads from `spec §3` and the mutation log feeds `diff-format.js`.

This is a draggable / styleable card. Try Move, Style → color.

Second card. Try Duplicate, Delete (3s undo ghost).

Last diff summary: —