Function generate_convergence_report 

fn generate_convergence_report(
    scan_results: &[ScanPointResult],
    output_file: &str,
) -> Result<(), Box<dyn Error>>

Generates a convergence tracking report.

This function analyzes the convergence behavior across the scan, identifying problematic regions and optimization statistics.

Arguments

• scan_results - Collection of scan point results
• output_file - Path for the convergence report

Returns

Returns Ok(()) on successful report generation.