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They'd already drifted apart in wording after a recent edit only landed in one of them, and docs/deployment.md wasn't linked from anywhere (index.md's marketing rewrite dropped the old doc-links list) -- orphaned and duplicate. Replace it with a short pointer to DEPLOYMENT.md on GitHub as the single source of truth, matching the index.md "full docs live in the repo" pattern. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>