Function exec_scheduler_foreground 

pub fn exec_scheduler_foreground(
    repo_root: &Path,
    package: &str,
    profile: &str,
    sudo: &Sudo,
) -> Result<()>

Replace this process with the scheduler in the current terminal.

This is used only for --keep-running, after the final report has been printed. It intentionally passes no scheduler flags, so the final handoff does not force --verbose or periodic --stats output.