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paperarXivTrust 82 · PrimaryPublished 1mo agoLive · 1mo ago

Cheap Code, Costly Judgment: A Case Study on Governable Agentic Software Engineering

Generative AI is shifting software engineering from a practice organized around scarce implementation effort toward one organized around abundant, low-cost code production. This shift changes the central engineering problem: not whether AI can generate useful code, but how engineers organize architectures, tools, evidence, and feedback loops so that AI-mediated development remains inspectable, correctable, and maintainable. We study this problem through a first-person case study: a 12-week development effort in which a single expert software engineer used frontier AI coding agents to build a

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