Mobile-responsive cabinet: collapsible sidebar, adaptive panel header, phone mockup
- Add collapsible sidebar with hamburger menu and mobile topbar (logo + toggle)
- Move search bar into sidebar on mobile, hide status badges and tags
- Split panel header: stacked breadcrumbs + toolbar on mobile, single row on desktop
- Make breadcrumbs expandable (collapse to first + … + last when deep)
- Spread toolbar buttons evenly on mobile, keep right-aligned on desktop
- Add phone-frame variant to CabinetMockup with ghost panel layers
- Replace "Your Cabinet" breadcrumb text with folder icon on mobile
- Remove zoom button shadows in image preview
- Redirect to /cabinet after pairing, redirect to /devices after logout