2026-10-16

Portal changelog index: == YYYY-MM-DD (date only on level-2 headings) and === short topic lines for every ship; :toclevels: 3 lists topics in the page TOC without long em-dash summaries on date lines.

Optional one-line day blurbs under a date (plain text, not headings) when several same-day items share a theme — keep them short (roughly eight words or fewer), like “Portal hub updates.”

changelog-details pages use = YYYY-MM-DD and == matching the index === title; filenames stay YYYY-MM-DD - slug.adoc.

House skill owned-changelog documents the layout and requires conforming older entries whenever a changelog is edited.

Detail pages use :hide-page: and :navtree-parent: changelog.adoc so nav-drift, breadcrumbs, and SoftNav show Changelog → detail without listing every entry in nav.adoc.