export function sanitizeAndNormalizeEmbedding(vec: number[]): number[] {
  const sanitized = vec.map((value) => (Number.isFinite(value) ? value : 0));
  const magnitude = Math.sqrt(sanitized.reduce((sum, value) => sum + value * value, 0));
  if (magnitude < 1e-10) {
    return sanitized;
  }
  return sanitized.map((value) => value / magnitude);
}