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Codex can make a patch. You still own the merge. Learn a review loop for agent-written diffs that catches quiet regressions.
The failure mode of agent coding is not usually syntax. It is a plausible change that solves the visible case while breaking a nearby contract. Your review job is to find the contracts the agent did not know mattered.
| Diff signal | What it may mean | Review move |
|---|---|---|
| Many unrelated files | Agent chased symptoms or reformatted broadly | Demand narrower scope |
| New helper abstraction | Agent saw duplication, but maybe premature | Check call sites and future need |
| Deleted error handling | Green path only | Force a failure-path test |
| Snapshot churn | UI changed accidentally | Inspect screenshot or DOM output |
Review prompt:
You are reviewing this diff only for bugs, regressions, broken contracts, and missing tests.
Do not comment on style unless it affects behavior.
Return findings with file, line, severity, and a one-sentence fix.A focused review prompt keeps the second pass from rewriting the first pass.The big idea: Codex changes the cost of producing code, not the responsibility for merging it.
15 questions · take it digitally for instant feedback at tendril.neural-forge.io/learn/quiz/end-codex-review-loop-creators
What is the core idea behind "Reviewing Codex Output Like a Senior Engineer"?
Which term best describes a foundational idea in "Reviewing Codex Output Like a Senior Engineer"?
A learner studying Reviewing Codex Output Like a Senior Engineer would need to understand which concept?
Which of these is directly relevant to Reviewing Codex Output Like a Senior Engineer?
Which of the following is a key point about Reviewing Codex Output Like a Senior Engineer?
Which of these does NOT belong in a discussion of Reviewing Codex Output Like a Senior Engineer?
What is the key insight about "Use the agent against its own patch" in the context of Reviewing Codex Output Like a Senior Engineer?
What is the recommended tip about "Always review AI output" in the context of Reviewing Codex Output Like a Senior Engineer?
Which statement accurately describes an aspect of Reviewing Codex Output Like a Senior Engineer?
What does working with Reviewing Codex Output Like a Senior Engineer typically involve?
Which best describes the scope of "Reviewing Codex Output Like a Senior Engineer"?
Which of the following is a concept covered in Reviewing Codex Output Like a Senior Engineer?
Which of the following is a concept covered in Reviewing Codex Output Like a Senior Engineer?
Which of the following is a concept covered in Reviewing Codex Output Like a Senior Engineer?
Which of the following is a concept covered in Reviewing Codex Output Like a Senior Engineer?