chore: add devenv development environment#38
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Add a devenv (devenv.sh) config pinning the Go toolchain to match go.mod along with golangci-lint, golines, goimports, gopls, and dlv, so the dev environment is reproducible across machines. Includes convenience scripts (build/test/test-race/lint/bench/modernize) wrapping the canonical commands. Wire up direnv auto-activation via .envrc, ignore devenv's generated state in .gitignore (keeping devenv.lock tracked), and document the optional setup in the README. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Adds an optional devenv development environment so contributors build against a reproducible, pinned toolchain.
devenv.nix— Go toolchain (matchinggo.mod'sgo 1.26) plusgolangci-lint(the exact.golangci.ymlversion),golines,goimports,gopls,dlv, andmake. Convenience scripts wrap the canonical commands:build,test,test-race,lint,bench,modernize.devenv.yaml— pins nixpkgs torollingso the Go version tracksgo.mod.devenv.lock— committed lockfile for reproducibility..envrc— direnv auto-activation (use devenv)..gitignore— ignore devenv's generated state (.devenv*,devenv.local.nix,.direnv/), keepingdevenv.locktracked.Using devenv is entirely optional — a plain
goinstall continues to work.Verification
Built the environment via
devenv shelland confirmed the toolchain resolves:go 1.26.3— matchesgo.modgolangci-lint 2.12.2— matches.golangci.ymlgolines,goimports,dlv,makeall on PATHdirenv exportloads the shell cleanly (.envrchash valid)🤖 Generated with Claude Code