- New SiteMap registry: single source of truth for page visibility.
Fail-closed: unlisted or Released=false pages are hidden.
- NavMenu renders nav links from SiteMap.NavEntries (galaxy only).
- New Components/ReleaseGuard wraps the Router's Found template:
unreleased routes redirect to /galaxy (covers direct URLs).
- Galaxy map released; system/mastery detail dossiers released but
not in nav (linked from the map); Home, indexes, Units hidden.
- Brand logo now links to /galaxy.
JonathanMcCaffrey
f6e136df37