app/src/main/java/com/runicgateway/app/ui/navigation/Menu.kt

@@ -196,8 +196,21 @@ val APP_MENU: List<MenuEntry> = listOf(
     // Staff operations (§1, M10) — revealed for staff roles; the backend re-checks every call.
     MenuEntry(Routes.ADMIN_DASHBOARD, R.string.menu_admin_dashboard, MenuAccess.STAFF),
     MenuEntry(Routes.ADMIN_CONTENT, R.string.menu_admin_content, MenuAccess.STAFF),
-    MenuEntry(Routes.ADMIN_MODERATION, R.string.menu_admin_moderation, MenuAccess.MODERATOR),
-    MenuEntry(Routes.ADMIN_SUPPORT, R.string.menu_admin_support, MenuAccess.MODERATOR),
+    // Moderation and the support queue act on the shard (`/admin/shard/*`, module-uo's
+    // admin mount), so they need the module installed like the player rows do. On a
+    // Rust-only site they once showed a UO form whose every action failed (M20).
+    MenuEntry(
+        Routes.ADMIN_MODERATION,
+        R.string.menu_admin_moderation,
+        MenuAccess.MODERATOR,
+        capability = Capability.SHARD,
+    ),
+    MenuEntry(
+        Routes.ADMIN_SUPPORT,
+        R.string.menu_admin_support,
+        MenuAccess.MODERATOR,
+        capability = Capability.SHARD,
+    ),
 )
 
 /**

app/src/test/java/com/runicgateway/app/ui/navigation/MenuCapabilityGatingTest.kt

@@ -168,6 +168,26 @@ class MenuCapabilityGatingTest {
         }
     }
 
+    @Test fun moderationAndSupportNeedTheShardModule() {
+        // Both call `/admin/shard/*`, module-uo's admin mount. Before M20 they
+        // carried no capability, so a moderator on a Rust-only site saw a UO form
+        // whose every action failed.
+        val staffRows = APP_MENU.filter { it.route == Routes.ADMIN_MODERATION || it.route == Routes.ADMIN_SUPPORT }
+        assertEquals(2, staffRows.size)
+        assertTrue(staffRows.all { it.capability == Capability.SHARD })
+
+        val moderator = signedIn(Role.MODERATOR)
+        val rustOnly = visibleEntries(APP_MENU, moderator, null, serving(Capability.RUST)).map { it.route }
+        assertFalse(Routes.ADMIN_MODERATION in rustOnly)
+        assertFalse(Routes.ADMIN_SUPPORT in rustOnly)
+        // …while the core staff rows stay.
+        assertTrue(Routes.ADMIN_DASHBOARD in rustOnly)
+
+        val uo = visibleEntries(APP_MENU, moderator, null, serving(Capability.SHARD)).map { it.route }
+        assertTrue(Routes.ADMIN_MODERATION in uo)
+        assertTrue(Routes.ADMIN_SUPPORT in uo)
+    }
+
     @Test fun bothEventRowsDeclareCoresCapabilityAndNoFeature() {
         // Events are core's. A `feature` on one of them would gate a core screen on
         // a module's visibility config, which is the coupling this separation exists