- Switch npm install -> npm ci in ci.yml (build, build-wsl) and docs.yml
to fail on lockfile drift rather than silently tolerating it
- Add cache: npm to all setup-node steps that have a lockfile to hash
(skipped test-git-install which has no checkout, and WSL which has no
setup-node action)
- Add TypeDoc link validation step after build (Linux x64 only, matching
existing single-OS gate pattern for MCPB). Verified passing on main.
- Align all workflows on Node 22 (active LTS) — previously CI used 20
but publish workflows used 22, so releases were tested on a different
Node than PRs
- Add engines.node >=20 to package.json so consumers on Node 18 get a
warning
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