- Add golangci-lint v2.12.2 to node-go image (arch-aware via official install.sh)
- Wire renovate.json to auto-bump GOLANGCI_LINT_VERSION (minor/patch automerge)
and GO_VERSION (patch automerge); keep pins for reproducible/rollback-able builds
- Add node-go/README.md documenting installed tools and what's NOT included
- Update root README accordingly
Co-Authored-By: Claude <noreply@anthropic.com>
