Function format_error_list 

pub fn format_error_list(errors: &[AnalysisError]) -> String

Format a list of errors for display.

This is useful for displaying accumulated validation errors.

Example

use debtmap::errors::{AnalysisError, format_error_list};

let errors = vec![
    AnalysisError::io("File not found"),
    AnalysisError::parse("Invalid syntax"),
];
let formatted = format_error_list(&errors);
assert!(formatted.contains("1. I/O error"));
assert!(formatted.contains("2. Parse error"));