export function formatTokens(tokens: number): string {
  if (tokens < 1000) return tokens.toString();
  if (tokens < 10000) return `${(tokens / 1000).toFixed(1)}k`;
  if (tokens < 1000000) return `${Math.round(tokens / 1000)}k`;
  return `${(tokens / 1000000).toFixed(tokens < 10000000 ? 1 : 0)}M`;
}

export function formatTimeAgo(ms: number): string {
  const seconds = Math.floor(ms / 1000);
  const minutes = Math.floor(seconds / 60);
  const hours = Math.floor(minutes / 60);
  const days = Math.floor(hours / 24);

  if (days > 0) return `${days}d ago`;
  if (hours > 0) return `${hours}h ago`;
  if (minutes > 0) return `${minutes}m ago`;
  return "just now";
}