Button:
- :icon-left, :icon-right props for buttons with leading/trailing icons
- :icon prop for icon-only buttons (square padding via .btn-icon class)
- Icon size scales with button size (sm→sm, md/lg→sm/md)
Alert:
- Auto-assigns variant-specific icons (circle-check, alert-triangle,
alert-circle, info) per variant
- :icon-name prop to override default, false to suppress
- Layout restructured with .alert-icon + .alert-content wrapper
Badge:
- :icon-name prop adds a leading icon before text
- .badge-icon CSS scales icon to match badge font size
Form input:
- :icon-left and :icon-right props on form-input
- Wraps input in .form-input-wrap with absolutely-positioned icon spans
- Padding adjusts automatically via .form-input--icon-left/right
All three dev targets (hiccup, replicant, squint) updated with demos.
93edebf144