Migrate to local PG & Update Solana Checkout

app/api/auth/logout/route.ts

@@ -0,0 +1,8 @@
+import { NextResponse } from 'next/server';
+import { cookies } from 'next/headers';
+
+export async function POST() {
+  const cookieStore = await cookies();
+  cookieStore.delete('admin_session');
+  return NextResponse.json({ success: true });
+}