Function grep 

pub fn grep(
    ito_path: &Path,
    input: &GrepInput,
    change_repo: &dyn ChangeRepository,
    module_repo: &dyn ModuleRepository,
) -> CoreResult<GrepOutput>

Resolve the grep scope to a list of artifact files and execute the search.

Arguments

• ito_path - Path to the .ito/ directory.
• input - The grep parameters (pattern, scope, limit).
• change_repo - A change repository for resolving targets and listing changes.
• module_repo - A module repository for resolving module targets.

Errors

Returns errors if the change/module cannot be found or the pattern is invalid.