Most agent architectures are quietly broken. They look great in a demo — single turn, clean task, instant response — and then fall apart the moment you ask them to do anything real. Like process a week of insurance claims. Or run a multi-day sales sequence. Or reconcile data across systems that don't share a clock. The reason is simple, and nobody talks about it: most agents are stateless under the hood. They reconstruct context from scratch on every interaction. The reasoning chain that ma...