v1.0.0

Added

• Initial implementation of headless UI primitives
• Add overlay modal and disclosure primitives
• Add anchored popover primitive with placement engine
• Support a virtual x/y anchor for coordinate-positioned popovers

Fixed

• Harden focus-trap, toaster lifecycle, and live-region a11y
• Correct modal focus-trap stacking and resolve the openModal barrel collision
• Add popover focus hooks, escape isolation, and rAF-throttled tracking