Function load_sops_report 

pub fn load_sops_report(
    install_root: &Path,
    config_dir: Option<&str>,
    default_execution_mode: SopExecutionMode,
) -> (Vec<Sop>, Vec<(String, String)>)

Load all SOPs from the configured directory and also return the ones that failed to load, as (directory name, error), for zeroclaw sop validate.