54e4b3eafb
The new-benchmark guide and the env template README referred to the data loader file as loader.py, but all six built-in benchmarks name it dataloader.py (skillopt/envs/<name>/dataloader.py). Update the docs and the template rename step to match the actual convention. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>