diff --git a/templates/partials/app-main-aside.phtml b/templates/partials/app-main-aside.phtml
index 4000694..a45279b 100644
--- a/templates/partials/app-main-aside.phtml
+++ b/templates/partials/app-main-aside.phtml
@@ -169,6 +169,39 @@ $adminNavGroups = [
     ],
 ];
 
+// ── Merge module-contributed sidebar nav items into admin groups ──
+if ($moduleNavItemSlots) {
+    // Index groups by key for fast lookup
+    $groupIndex = [];
+    foreach ($adminNavGroups as $idx => $group) {
+        $groupIndex[$group['key'] ?? ''] = $idx;
+    }
+    // Sort module items by order, then append to matching group
+    usort($moduleNavItemSlots, static fn ($a, $b) => ($a['order'] ?? 100) <=> ($b['order'] ?? 100));
+    foreach ($moduleNavItemSlots as $slot) {
+        if (!is_array($slot)) { continue; }
+        $targetGroup = trim((string) ($slot['group'] ?? ''));
+        $slotPath = trim((string) ($slot['path'] ?? ''));
+        $slotLabel = trim((string) ($slot['label'] ?? ''));
+        $slotPermission = trim((string) ($slot['permission'] ?? ''));
+        if ($targetGroup === '' || $slotPath === '' || $slotLabel === '') { continue; }
+        // Check permission via layoutAuth (module permissions are merged into layout capabilities)
+        $slotVisible = $slotPermission === '' || !empty($layoutAuth[$slotPermission]);
+        if (!isset($groupIndex[$targetGroup])) { continue; }
+        $gIdx = $groupIndex[$targetGroup];
+        $adminNavGroups[$gIdx]['items'][] = [
+            'label' => t($slotLabel),
+            'path' => $slotPath,
+            'active' => navActive($slotPath, true),
+            'visible' => $slotVisible,
+            'withTenant' => false,
+        ];
+        if ($slotVisible) {
+            $adminNavGroups[$gIdx]['visible'] = true;
+        }
+    }
+}
+
 // Render helper for grouped admin aside navigation
 $renderAdminNavGroup = static function (array $group, string $tenantQueryParam): void {
     if (empty($group['visible'])) {
@@ -233,6 +266,7 @@ $csrfToken = (string) ($layoutNav['csrfToken'] ?? '');
 $moduleSlots = is_array($layoutNav['moduleSlots'] ?? null) ? $layoutNav['moduleSlots'] : [];
 $modulePanelSlots = is_array($moduleSlots['aside.tab_panel'] ?? null) ? $moduleSlots['aside.tab_panel'] : [];
 $moduleSearchSlots = is_array($moduleSlots['search.resource_item'] ?? null) ? $moduleSlots['search.resource_item'] : [];
+$moduleNavItemSlots = is_array($moduleSlots['sidebar.admin_nav_item'] ?? null) ? $moduleSlots['sidebar.admin_nav_item'] : [];
 ?>
 <aside class="app-sidebar" id="app-sidebar" data-app-component="sidebar-toggle">
     <?php if ($currentTenant): ?>