# PageTopBar

## 2026-06-22 — Optional back arrow

**Prompted by:** Hellen (design team)

### What changed
- New optional `onBack` prop. When provided, a ghost icon back arrow
  (ChevronLeft) renders before the title — for pages reached by drilling in
  from a list (e.g. a board opened from the Board Grid home).
- Title now truncates so long board names don't push the actions off-screen.

### Why
- The Kanban Boards page now starts on a board grid; opening a board drills
  into the board view, which needs a way back to the grid.

### Affected tokens / files
- `packages/shadcn/src/components/ui/page-top-bar.tsx`