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The stock ARC actions-runner base ships no node/npm, unlike GitHub's hosted ubuntu-latest, so routed run steps invoking node or npm directly fail with exit 127 — the same gap gh and jq had (#210, #224). Install the current LTS from NodeSource's lts channel (resolves the active LTS major at build time; the weekly rebuild tracks promotions and security releases with no version pinned in the Dockerfile) and extend the build-time gate to node --version && npm --version. Jobs needing a specific Node version still use actions/setup-node, which prepends its toolcache copy to PATH; the baked-in LTS is only the default, matching hosted-runner behavior.
Shinrai
approved these changes
Aug 10, 2026
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