Verify npm dependency signatures before builds - #1027
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This was referenced Aug 18, 2026
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CI already disables npm lifecycle scripts, but ordinary installs from the repository still run them. Set `ignore-scripts = true` in `.npmrc` so developer and maintenance installs use the same default. Keep the existing seven-day `min-release-age` policy for new resolutions. Require `npm>=11.10.0` through `engines.npm` and `engine-strict`, while retaining `devEngines` for newer clients; older installers can otherwise ignore `devEngines` and the age setting. Pin the build and checksum workflows to Node.js `24.19.0` so their bundled `npm` supports the policy. Explicit project commands such as `npm run package` remain available. Related: astral-sh/ruff-action#401 applies the matching `npm` defaults, and astral-sh/ruff-action#411 adds the same legacy-aware version floor. astral-sh/ruff#27837 applies the install-script default to Ruff's JavaScript projects. #1027 separately adds registry-signature and provenance verification. --------- Co-authored-by: zaniebot <242828183+zaniebot@users.noreply.github.com>
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CI installs the locked npm dependency tree without running lifecycle scripts, but it does not verify registry signatures or available provenance attestations. Run
npm audit signaturesafter installation in both the test and checksum-update workflows, beforenpm run allexecutes dependency tooling. The check follows npm's registry-signature support and verifies attestations when present; it does not require every dependency to publish provenance.Related: astral-sh/ruff-action#402 adds the same signature and provenance verification. #1026 separately hardens
npminstall defaults.