feat(react): `Header`#1375

Draft

junghyeonsu wants to merge 6 commits intoalphafrom

junghyeonsu/header-component

Commits on Apr 8, 2026

feat(header): add Header component with ActionButton, ToggleButton and block examples

junghyeonsu
and
claude
committed
fix(docs): register header in blocks meta.json with spread pages

junghyeonsu
and
claude
committed

Commits on Apr 13, 2026

feat(docs): add responsive header block examples (header-05, header-06)

junghyeonsu
and
claude
committed
fix(primitive): add missing semantic HTML elements (header, footer, nav, section)

junghyeonsu
and
claude
committed

Commits on Apr 14, 2026