* feat(quality): add check:test-runner-api gate (vitest-only dirs must use vitest API)
* feat(release): reusable CHANGELOG i18n-mirror sync script
* chore(ops): add prune-stale-worktrees.sh (dry-run by default)
* ci(quality): run test-runner-api + docs-all + vitest + full unit suite on PR->release fast-path
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Co-authored-by: Diego Rodrigues de Sa e Souza <souzamiriamrodrigues790@gmail.com>