Article-level Table-of-Contents builder. Renders a
labelled <nav class="article-toc"> sidebar with one entry per
emitted H2 section; entries are prefixed with a contextual emoji icon
that mirrors the Reader Intelligence Guide so the two navigation
surfaces share a single visual vocabulary.
Description
Article-level Table-of-Contents builder. Renders a labelled
<nav class="article-toc">sidebar with one entry per emitted H2 section; entries are prefixed with a contextual emoji icon that mirrors the Reader Intelligence Guide so the two navigation surfaces share a single visual vocabulary.