Function cli_render_help_with_options 

pub fn cli_render_help_with_options(
    cmd: &Command,
    subcommand_path: &[&str],
    options: &HelpOptions,
) -> String

Render help for a clap command tree with explicit scope and format.

Walks to the subcommand identified by subcommand_path (empty = root), then renders either the selected command only (OneLevel) or the selected command and all descendants (Recursive).

Requires the cli-help feature.