/**
 * Format a token count for display (e.g. 45231 → "45.2k").
 */
export function formatTokens(tokens: number): string {
  if (tokens >= 1_000_000) return `${(tokens / 1_000_000).toFixed(1)}M`;
  if (tokens >= 1_000) return `${(tokens / 1_000).toFixed(1)}k`;
  return `${tokens}`;
}

/**
 * Simple pluralize helper.
 */
export function pluralize(count: number, singular: string, plural: string): string {
  return count === 1 ? `${count} ${singular}` : `${count} ${plural}`;
}