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When a Monolith Breaks: Five Counterintuitive Lessons on Making AI Agents Production‑Ready
When a Monolith Breaks: Five Counterintuitive Lessons on Making AI Agents Production-Ready Why a testing pyramid matters more than a fancy model Answering the core question directly: a layered testing pyramid caught a model-drift bug before it cost the company millions, proving that disciplined AI agent testing beats shiny one-off