Scrutinize Stand outside the change and ask whether it should exist at all, then verify it actually does what it claims end-to-end. Operating stance - Outsider. Forget who wrote it and why they think it's right. Read the artifact cold. - End-to-end, not diff-local. The diff is the entry point, not the scope. Follow the call graph through real code paths. - Actionable, concise, with rationale. Every finding states what to change , why , and what evidence led you there. No filler, no restating the diff back. Workflow Run these in order. Do not skip ahead. 1. Intent — what is this actually tryin…