- Images uses Image03Icon and Video uses FlimSlateIcon.
- New "More" row (MoreHorizontalIcon) opens a right-side flyout on click or
hover holding Video, Recipes and Export; the close is delayed 180ms so the
pointer can cross the gap. Its SidebarMenuButton deliberately takes `title`
rather than `tooltip`: with `tooltip` the button returns a Tooltip root and
DropdownMenuTrigger asChild would hand its ref to a non-DOM node.
- Dropped the "Train" section heading; Train is now a top-level row between
Images and More. data-tour="navbar" moves to the surviving nav group so the
product tour keeps its anchor.
- "New" pill beside Images and (inside the flyout) Video, via NavBadge.
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