export function normalizePortablePath(input: string) {
  const parts: string[] = [];
  for (const segment of input.replace(/\\/g, "/").replace(/^\.\/+/, "").replace(/^\/+/, "").split("/")) {
    if (!segment || segment === ".") continue;
    if (segment === "..") {
      if (parts.length > 0) parts.pop();
      continue;
    }
    parts.push(segment);
  }
  return parts.join("/");
}