How durable execution and durable sessions combine to build AI agents that are resilient end to end - from the backend workflow all the way to the client.

Why direct HTTP streaming breaks down in real AI products, and how a durable session layer unlocks resilient delivery, continuity across surfaces, and live control.

HTTP streaming is fine for AI demos, but real users need something more durable. I wrote on the Ably blog about why.

A live demo of the patterns that are hard to get right with a plain HTTP stream: session continuity, barge-in, human handover and multi-agent coordination.