Breadcrumbs

[pghqdev]

What to build

A breadcrumbs component — <nav data-breadcrumbs> containing a list of links. The last item is the current page (not a link). Items separated by a chevron. Uses existing nav styling and the shared chevron glyph.

Acceptance criteria

• <nav data-breadcrumbs> containing a <ol> of breadcrumb items
• Each item is an <li> — links for navigable items, plain text for the current page
• Chevron separator between items (reuses --chevron)
• Current page item styled muted (not a link)
• All styles in @layer hikari
• Kitchen-sink demo shows a breadcrumb trail
• rules/hikari-rules.md updated with markup example

Blocked by

• Structure and definition elements #11 Structure and definition elements