Most SaaS apps push real-time alerts and never store the history -- here is how to add a notification center to your Next.js app with Drizzle ORM so users can review what they missed, clear the badge, and jump to the right place in one click.
Most Next.js SaaS apps poll for notifications every few seconds -- here is how to replace that with Server-Sent Events so users see updates instantly without the infrastructure cost of a WebSocket server on Vercel.