 =
                status.processing_rate ? status.processing_rate.toFixed(1) : '--';

            // Estimate remaining time
            if (status.processing_rate > 0 && status.completed_examples < status.total_examples) {
                const remaining = status.total_examples - status.completed_examples;
                const minutes = Math.ceil(remaining / status.processing_rate);
                document.getElementById('stat-remaining').textContent = `${minutes}m`;
            } else {
               