Add logout button to home page header

app/page.tsx

@@ -3,6 +3,7 @@ import ListCard from '@/components/ListCard'
 import NewListButton from '@/components/NewListButton'
 import GlobalSearch from '@/components/GlobalSearch'
 import EmptyState from '@/components/EmptyState'
+import LogoutButton from '@/components/LogoutButton'
 import Link from 'next/link'
 import { getServerSession } from 'next-auth'
 import { authOptions } from '@/pages/api/auth/[...nextauth]'
@@ -39,6 +40,7 @@ export default async function Home() {
               >
                 Profile
               </Link>
+              <LogoutButton />
             </>
           )}
           <NewListButton />

components/LogoutButton.tsx

@@ -0,0 +1,21 @@
+'use client'
+
+import { signOut } from 'next-auth/react'
+import { LogOut } from 'lucide-react'
+
+export default function LogoutButton() {
+  const handleLogout = async () => {
+    await signOut({ callbackUrl: '/auth/login' })
+  }
+
+  return (
+    <button
+      onClick={handleLogout}
+      className="flex items-center gap-2 px-3 py-2 text-sm text-red-600 hover:text-red-700 hover:bg-red-50 rounded-lg transition-colors"
+      aria-label="Log out"
+    >
+      <LogOut size={16} />
+      <span>Log out</span>
+    </button>
+  )
+}