baseline.py and evaluate.py exercise production GitRepo.get_tracked_files,
sanity_check_repo, and Coder.get_announcements methods on a deterministic real Git
fixture. The primary metric is deterministic filtering work during the three startup
consumers; paired elapsed time is secondary evidence.
PYTHONPATH="$AIDER_SOURCE" uv run --no-project --python 3.12 \
--with-requirements "$AIDER_SOURCE/requirements.txt" python baseline.py