I want a repository-level preprocessing CLI at python get am dataset.py --revision REVISION output path …

I want a repository-level preprocessing CLI at python get am dataset.py --revision REVISION output path …: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). The --revision flag should be optional; when it is omitted, the CLI should stream the default dataset…

The task

The `--revision` flag should be optional; when it is omitted, the CLI should stream the default dataset revision. While processing, the command should show progress with the label `Processing stream`. On success it should exit 0 and print `Written N records to output_path`, where `N` is the number of records written…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.