fina autoamtiona adn billing and credits

frontend/src/layout/AppSidebar.tsx

@@ -190,6 +190,7 @@ const AppSidebar: React.FC = () => {
             icon: <DollarLineIcon />,
             name: "Billing",
             subItems: [
+              { name: "Overview", path: "/billing/overview" },
               { name: "Credits", path: "/billing/credits" },
               { name: "Transactions", path: "/billing/transactions" },
               { name: "Usage", path: "/billing/usage" },
@@ -209,6 +210,14 @@ const AppSidebar: React.FC = () => {
   const adminSection: MenuSection = useMemo(() => ({
     label: "ADMIN",
     items: [
+      {
+        icon: <DollarLineIcon />,
+        name: "Billing & Credits",
+        subItems: [
+          { name: "Billing Management", path: "/admin/billing" },
+          { name: "Credit Costs", path: "/admin/credit-costs" },
+        ],
+      },
       {
         icon: <PlugInIcon />,
         name: "User Management",