Function prompt_multi_select 

pub fn prompt_multi_select(
    message: &str,
    options: &[String],
    defaults: &[bool],
) -> Result<Vec<usize>>

Prompt the user to select multiple options from a list.

Returns the indices of the selected options. The defaults slice indicates which items are pre-selected (by index).

Errors

Returns CliCoreError if the prompt is cancelled or a terminal error occurs.