diff --git a/ZeroSpace/ZeroSpace.Web/SiteMap.cs b/ZeroSpace/ZeroSpace.Web/SiteMap.cs
index fd79545..8f10235 100644
--- a/ZeroSpace/ZeroSpace.Web/SiteMap.cs
+++ b/ZeroSpace/ZeroSpace.Web/SiteMap.cs
@@ -25,6 +25,8 @@ public static class SiteMap
         // The releasable surface.
         new(typeof(Pages.Galaxy), "Galaxy Map", "galaxy", "bi bi-galaxy-nav-menu", "MAP",
             NavLinkMatch.Prefix, Released: true, ShowInNav: true),
+        new(typeof(Pages.PlanetaryMasteryItemIndex), "Planetary Items", "planetary-mastery-items", "bi bi-items-nav-menu", null,
+            NavLinkMatch.All, Released: true, ShowInNav: true),
 
         // Detail dossiers: part of the galaxy experience (linked from the map),
         // but not top-level navigation destinations.