Every page now carries a title, a description, a canonical address and the og: tags a link card is built from, written by one component. A page's description is the line it already shows — a section's intro, a subpage's lede, the landing page's hero beat — so a card and a page cannot disagree. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Change-Id: I6fbd8cbd82e2bd6473229407c84ca488d11c6a75