- Created tests/benchmarks/git_traffic.py with 50-issue workflow - Measures git operations reduction: git-only vs Agent Mail - Generates comparison reports with pass/fail (70% target) - Results: 98.5% reduction (200 → 3 operations) - Added documentation in tests/benchmarks/README.md Closes bd-ic1m Amp-Thread-ID: https://ampcode.com/threads/T-0907bb40-ffc9-4f09-843f-b26716ef9ce0 Co-authored-by: Amp <amp@ampcode.com>