Function load_repos_config_into_app 

pub fn load_repos_config_into_app(
    app: &mut AppState,
    repos_path: Option<PathBuf>,
)

What: Populate repo_results_filter_by_name from the resolved config path, if any.

Inputs:

• app: Application state to update.
• repos_path: Optional path from crate::theme::resolve_repos_config_path.

Output:

• None (mutates app).

Details:

• On missing path or parse errors, the map is cleared; failures are logged in the loader.