✨ V2 Portal UX improvements
Label Heatmap (Confluence-style "popular labels")
A weighted tag cloud where every label is sized + colour-warmed by how many resources carry it (log scale, 6 levels). Most-used reads biggest/hottest; each label deep-links to its section on the Technical Tags page.
- Technical Tags page — heatmap at the top, jump-to-section anchors.
- V2 index — full heatmap added at the bottom, right after the YouTube mosaic, deep-linking across to
/tags/#slug.
Navigation
- Top navigation tabs enabled (
navigation.tabs+.sticky): the ~16 top-level sections render as a pinned top tab bar and the left sidebar stays, scoped to the active tab. - Topic Map is now a collapsible hub grouping the three orientation pages — Topic Map, Methodology, Technical Tags.
- Agentic Video Hub promoted above Intelligence Digest as a prominent top-level dropdown.
Cleanup
- Removed the redundant in-page Table of Contents from the video category pages (Material's right-column "On this page" TOC already covers it).
Engineering
- Shared, slug-stable tag aggregation (
_aggregate_tags/_render_tag_heatmap) so the index and Tags page stay in sync — verified 75/75 cross-page anchors resolve, 0 dangling.
PRs: #434, #436 · Deployed: https://nubenetes.com/
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