location-header-system

The header contract for every One Location screen — the top-bar breadcrumb, the single back control, and the eyebrow/title pair. Use when adding, renaming, or redesigning any Location surface (a new ?action= flow, a /one/location/* route, a check-in or SOS or settings screen), when a screen shows two back buttons, when a screen has no breadcrumb, when a breadcrumb label disagrees with the on-screen title, or when a…