Function scheduler_help_text 

pub(crate) fn scheduler_help_text(
    repo_root: &Path,
    package: &str,
    profile: &str,
) -> Option<String>

Capture the scheduler’s --help output so the planner can see which CLI options (knobs) already exist. This is the always-current, zero-maintenance source of truth for what the sweep has tuned - no hand-kept signatures. Returns None if the binary is missing or errors.