slight improvement for Sidebar2

ui/litellm-dashboard/src/app/(dashboard)/components/Sidebar2.tsx

@@ -1,8 +1,7 @@
 "use client";
 
 import React from "react";
-import Link from "next/link";
-import { usePathname, useSearchParams } from "next/navigation";
+import { usePathname, useSearchParams, useRouter } from "next/navigation";
 import { Layout, Menu, ConfigProvider } from "antd";
 import {
   KeyOutlined,
@@ -62,6 +61,11 @@ const withBase = (relativePath: string) => {
 };
 
 const Sidebar2: React.FC<SidebarProps> = ({ accessToken, userRole, defaultSelectedKey, collapsed = false }) => {
+  const router = useRouter();
+  const pathname = usePathname();
+  const searchParams = useSearchParams();
+
+  /** ---------- Menu model ---------- */
   const menuItems: MenuItem[] = [
     { key: "1", page: "api-keys", label: "Virtual Keys", icon: <KeyOutlined style={{ fontSize: 18 }} /> },
     {
@@ -217,9 +221,7 @@ const Sidebar2: React.FC<SidebarProps> = ({ accessToken, userRole, defaultSelect
       children: item.children?.filter((child) => !child.roles || child.roles.includes(userRole)),
     }));
 
-  // Highlight selection based on pathname or ?page=
-  const pathname = usePathname();
-  const searchParams = useSearchParams();
+  /** ---------- Selection state ---------- */
   const pageParam = searchParams.get("page") || undefined;
 
   const findMenuItemKey = (page: string): string => {
@@ -244,31 +246,47 @@ const Sidebar2: React.FC<SidebarProps> = ({ accessToken, userRole, defaultSelect
           ? findMenuItemKey(defaultSelectedKey)
           : "1";
 
-  // Root-only routing helper: always replace everything after the domain, honoring base path
-  const rootWithPage = (p: string) => ({
-    pathname: getBasePath() || "/",
-    query: { page: p },
-  });
+  /** ---------- Navigation helpers (SPA only) ---------- */
+  // Build a root URL ("/" or "/base/") with an updated ?page=...
+  const goTo = (p: string) => {
+    const base = getBasePath() || "/";
+    const root = base.endsWith("/") ? base : `${base}/`;
+    const sp = new URLSearchParams(typeof window !== "undefined" ? window.location.search : "");
+    sp.set("page", p);
+    // Use Next router for client navigation on the SAME route (no hard fetch)
+    router.replace(`${root}?${sp.toString()}`, { scroll: false });
+  };
 
-  // Convert to AntD Menu items:
-  // - "Virtual Keys" routes to "/<BASE>/virtual-keys"
-  // - All other items (and children) route to "/<BASE>/?page=<page>"
+  // Keep the /virtual-keys path the same, but avoid route fetches/hard reloads.
+  const goToVirtualKeys = () => {
+    const base = getBasePath() || "/";
+    const root = base.endsWith("/") ? base : `${base}/`;
+    const sp = new URLSearchParams(typeof window !== "undefined" ? window.location.search : "");
+    sp.set("page", "api-keys");
+
+    // 1) Client transition to the root with ?page=api-keys so the view updates.
+    router.replace(`${root}?${sp.toString()}`, { scroll: false });
+
+    // 2) Cosmetic URL swap to ".../virtual-keys" without navigation (keeps path the same).
+    const vk = withBase("virtual-keys");
+    if (typeof window !== "undefined") {
+      window.history.replaceState(null, "", vk);
+    }
+  };
+
+  /** ---------- AntD items with onClick handlers ---------- */
   const antdItems = filteredMenuItems.map((item) => {
     const isVirtualKeys = item.key === "1";
-    const label = isVirtualKeys ? (
-      <Link href={withBase("virtual-keys")}>Virtual Keys</Link>
-    ) : (
-      <Link href={rootWithPage(item.page)}>{item.label}</Link>
-    );
-
     return {
       key: item.key,
       icon: item.icon,
-      label,
+      label: item.label, // plain text; click handled via onClick
+      onClick: !item.children ? (isVirtualKeys ? goToVirtualKeys : () => goTo(item.page)) : undefined,
       children: item.children?.map((child) => ({
         key: child.key,
         icon: child.icon,
-        label: <Link href={rootWithPage(child.page)}>{child.label}</Link>,
+        label: child.label,
+        onClick: () => goTo(child.page),
       })),
     };
   });

ui/litellm-dashboard/src/app/page.tsx

@@ -39,7 +39,6 @@ import VectorStoreManagement from "@/components/vector_store_management";
 import UIThemeSettings from "@/components/ui_theme_settings";
 import { UiLoadingSpinner } from "@/components/ui/ui-loading-spinner";
 import { cx } from "@/lib/cva.config";
-import useFeatureFlags, { FeatureFlagsProvider } from "@/hooks/useFeatureFlags";
 import Sidebar2 from "@/app/(dashboard)/components/Sidebar2";
 import SidebarProvider from "@/app/(dashboard)/components/SidebarProvider";