Live Notification System

Summary

A service that pushes real-time notifications to connected clients when events happen elsewhere in your system — practice for pub/sub and connecting real-time infra to your broader backend.

• 1Trigger a notification via pub/sub when an event occurs, e.g. a new comment.
• 2Handle users who are offline — queue or store notifications for when they reconnect.
• 3Support multiple notification types with different payloads on one connection.