refactor: rename admin to manage in layout, sidebar, and redirects

app/(manage)/layout.tsx

@@ -1,15 +1,15 @@
-import { AdminSidebar } from "@/components/admin/admin-sidebar"
+import { ManageSidebar } from "@/components/manage/manage-sidebar"
 import type { Metadata } from "next"
 
 export const metadata: Metadata = {
     title: {
-        template: "%s | Admin — DeckyVault",
-        default: "Admin — DeckyVault",
+        template: "%s | Manage — DeckyVault",
+        default: "Manage — DeckyVault",
     },
     robots: { index: false, follow: false },
 }
 
-export default async function AdminLayout({
+export default async function ManageLayout({
     children,
 }: {
     children: React.ReactNode
@@ -18,7 +18,7 @@ export default async function AdminLayout({
         <section className='w-full flex flex-col gap-8 py-16'>
             <div className='px-4 md:px-[10svw]'>
                 <div className='max-w-7xl mx-auto'>
-                    <h1 className='text-2xl sm:text-3xl font-bold'>Admin</h1>
+                    <h1 className='text-2xl sm:text-3xl font-bold'>Manage</h1>
                     <p className='text-sm text-text/60 mt-1'>
                         Manage your platform
                     </p>
@@ -27,7 +27,7 @@ export default async function AdminLayout({
 
             <div className='px-4 md:px-[10svw]'>
                 <div className='max-w-7xl mx-auto flex flex-col md:flex-row gap-6'>
-                    <AdminSidebar />
+                    <ManageSidebar />
                     <div className='flex-1 min-w-0'>{children}</div>
                 </div>
             </div>

app/(manage)/manage/page.tsx

@@ -1,5 +1,5 @@
 import { redirect } from "next/navigation"
 
-export default function AdminPage() {
-  redirect("/admin/users")
+export default function ManagePage() {
+  redirect("/manage/users")
 }