export function formatBytes(bytes: number, decimals = 1): string { if (bytes === 0) return '0 B'; const units = ['B', 'KB', 'MB', 'GB', 'TB']; const i = Math.floor(Math.log(bytes) / Math.log(1024)); return `${(bytes / Math.pow(1024, i)).toFixed(i === 0 ? 0 : decimals)} ${units[i]}`; }