- Add menuTriggerEl ref, menuStyle, and updateMenuPosition() using getBoundingClientRect - Wrap three-dot menu in Teleport to body with data-test="folder-row-menu" - toggleMenu() captures position before opening - Add window scroll/resize listeners with cleanup in onUnmounted - Update outside-click handler to also exclude teleported menu element - All 4 UX-13 dropdown tests now pass; full test suite 208/208 green