Add logout button to home page header

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>
+  )
+}