HF RL Explorer

Custom completion handle multiple shorhand flags together ( 1258)

Custom completion handle multiple shorhand flags together ( 1258): a task in repo2rlenv-commit-runtime-v2 (Harbor dataset). Title: Custom completion fails when multiple shorthand flags are combined (e.g., -sd )

The task

**Title:** Custom completion fails when multiple shorthand flags are combined (e.g., `-sd`)

Part of FineEnvs/repo2rlenv-commit-runtime.