Nuxt Ui Guideline: Content — Use UContentToc for table of contents. Description: Automatic TOC with active heading highlight. Do: UContentToc with :links. Don't: Manual TOC implementation. Good Example: <UContentToc :links="toc"/>. Bad Example: <nav><a v-for="heading in headings">. Severity: Low. Docs: https://ui.nuxt.com/docs/components/content-toc.