From 22% Error Rate to 1.3%: How I Made an AI Agent Reliably Handle Order Queries and Refunds
This article analyses why Function Call demos often break in production, proposes a four‑plane architecture (control, execution, state, governance), details tool gating, idempotency, state‑machine modeling, observability and evaluation, and shows how these steps reduced the error rate of an order‑query and refund agent from 22% to 1.3%.
