Function run_expanded 

pub fn run_expanded(
    query: &str,
    scope: &Path,
    section: Option<&str>,
    budget_tokens: Option<u64>,
    full: bool,
    expand: usize,
    limit: Option<usize>,
    offset: usize,
    glob: Option<&str>,
    cache: &OutlineCache,
) -> Result<String, SrcwalkError>

Run with expanded search — inline source for top N matches.