HF RL Explorer

CLI Fix parent aliases leaking into subcommand headers in CLI reference

CLI Fix parent aliases leaking into subcommand headers in CLI reference: a task in repo2rlenv-pr-diff (Harbor dataset). Title: CLI Fix parent aliases leaking into subcommand headers in CLI reference

The task

**Title:** [CLI] Fix parent aliases leaking into subcommand headers in CLI reference

Part of FineEnvs/repo2rlenv-pr-diff.