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AI Architecture Updates: May 28, 2026

architecture ai-agents design-patterns

1. Martin Fowler on AI-Augmented Programming and Cognitive Fatigue

Martin Fowler. Fowler’s May 27 fragments collect a few notable threads: a Kent Beck conversation at GOTO 2025 on LLM-augmented programming, Ian Johnson’s experience restructuring a legacy codebase with AI assistance, NHS open-source decisions, and — most relevant to architecture practice — cognitive fatigue when working with agentic coding tools. The fatigue point is the one most engineering managers should pay attention to: throughput gains from agents come with a higher cost on context-switching and decision load than naive measurements capture. Source