go test occasionally regenerates a go.sum next to a parsed-only go.mod
fixture even though the test path never resolves modules. Stop tracking
the pattern so the working tree stays clean across test runs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The previous tidy commit accidentally staged a stray go-built binary
at the repo root via git add -A. Untrack it and gitignore the path
so future builds don't re-stage it.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
