Testing and Continuous Improvement: Maintaining Reliability at Scale
Volume 4 of The Enterprise Conversational Agent Playbook Series.
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The first three volumes covered how to build a capable agent. This one is about verifying that it actually works, and keeping it that way as users push it in directions you did not anticipate and your configuration evolves.
It walks through the practices that make reliability measurable: a golden set of simulation, next-reply and tool-invocation tests that run on every release; probabilistic test runs that report pass rates rather than a single verdict; versions and branches for safe iteration; experiments on live traffic; and LLM-as-a-judge evaluations scored on every production conversation.
The closing section assembles these into a single improvement loop, where each failure in production becomes a test and each change ships gradually.
For the teams who own an agent after launch and need a repeatable process rather than one-off fixes.
