Implement benchmarks/bench.py with run, compare, report, fixtures, and single subcommands. Emit results/<run_id>/<fixture>/<size>.json in the stable schema. Support --size, --fixture, --metric, and --seed flags. Include pandas and pyjanitor baselines.
Implemented in #76.
Implement
benchmarks/bench.pywith run, compare, report, fixtures, and single subcommands. Emitresults/<run_id>/<fixture>/<size>.jsonin the stable schema. Support --size, --fixture, --metric, and --seed flags. Include pandas and pyjanitor baselines.Implemented in #76.