PDPratham Dharawatinpratham074.hashnode.dev·1h ago · 24 min readWhen Notifications Are a Legal Obligation: The Architecture Behind Rule-Driven Event Pipelines Across Three Regulated ProductsIn most systems, a notification is a convenience. It tells you something happened. If it arrives late, or not at all, the user refreshes the page and moves on. That is not the class of problem I was s00