feat(ADM-018): completed feature

project/frontend/src/app/api/auth/logout/route.ts

@@ -0,0 +1,12 @@
+import { NextResponse } from 'next/server';
+
+export async function POST() {
+  const response = NextResponse.json({ ok: true });
+  response.cookies.set('session_token', '', {
+    httpOnly: true,
+    secure: process.env.NODE_ENV === 'production',
+    sameSite: 'lax',
+    maxAge: 0,
+  });
+  return response;
+}