Your Vercel AI SDK app is missing a session layer

What this post added

This post details the integration of Ably AI Transport with the Vercel AI SDK's `useChat` hook, showcasing how a shared, durable session layer enables advanced features such as multi-device fan-out, multi-user conversations, resumable streams, conversation branching, history compaction, and agent control (stop/approve). It highlights the client-side code changes required and the underlying mechanisms provided by the Ably AI Transport for achieving these capabilities.