Fixed

src/pages/api/auth/logout.ts

@@ -1,11 +1,11 @@
 import type { APIRoute } from 'astro';
 import { invalidateSession } from '../../../lib/auth';
 
-export const POST: APIRoute = async ({ cookies, redirect }) => {
+export const POST: APIRoute = async ({ cookies }) => {
   const sessionId = cookies.get('session_id')?.value;
   if (sessionId) {
     await invalidateSession(sessionId);
     cookies.delete('session_id', { path: '/' });
   }
-  return redirect('/login');
+  return new Response(null, { status: 200 });
 };