When AI writes code faster than people read it, what's left for code review?

当 AI 写得比人读得快，Code Review 还剩什么？

As AI speeds up coding, code review shifts toward checking business context, routing risk and keeping human accountability. A passing approval and green tests don't prove anyone understood the change. Anthropic splits review into pre-submit self-checks, multi-agent checks during the PR and risk tiers at merge, each needing 0, 1 or 2 human sign-offs, and model opinions can't replace a signature.

Why it matters: Anthropic splits code review into pre-submit self-checks, parallel defect finding and risk-tiered sign-off, pointing human attention at business assumptions and merge accountability.