Audit PRs and diffs with evidence to decide whether they are safe to merge and deploy. Use when asked to review a PR, audit a diff, compare changes against develop/main or another base branch, perform a technical review, find production risks, prepare a merge decision, or analyze changes involving backend, frontend, jobs, APIs, auth, databases, migrations, events, queues, external integrations, payments, feature flags, infrastructure, CloudWatch, operational logs, or critical product flows.
