Most WhatsApp integration guides stop at “send your first message.” That’s the easy part. The real challenge begins when you try to run it in production, wherein tokens expire, webhooks retry, assets change, and external systems evolve without warning. What looks like a simple API integration is actually a distributed system built on OAuth, event […]
Exei is not just another web application – it is a scalable, multi-tenant, frontend-heavy platform built to handle real-world complexity. Exei’s frontend coordinates a large number of moving parts. As the product evolved, one issue consistently surfaced: state management. What began as a few useState hooks quickly turned into deep prop drilling, duplicated logic, and […]
