Conditional κ = 7.55120411314104e-4: 438 early restorations after #312's kernel/target/plateau/reorder stages on the w3 word (+0.0756% over #312) - #314

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-python@v5, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/