The code tab for this component is not yet authored. Creative Design Contributors — pick this up.
Recipe is at /api/components/wiki-article-header.json.
Wiki Article Header
Top-of-article surface: slug breadcrumb, H1 title (from frontmatter), quality badge, and byline (last edited + editor + history link). Maps Wikipedia article-header muscle-memory using IBM Plex Sans at 2.25rem h1.