[codex] Add crate API surface review rule - #27939
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anp-oai
approved these changes
Jun 12, 2026
pakrym-oai
marked this pull request as ready for review
June 12, 2026 20:00
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Why
Review guidance should explicitly discourage widening crate APIs for testing convenience. Keeping those boundaries narrow reduces accidental coupling and prevents one-off test utilities from becoming durable public surface area.
What
AGENTS.md.Test plan