// config/paths.js
let __configCache;
export async function getBaseUrl() {
  if (__configCache) return __configCache;
  const res = await fetch("/config.json");
  if (!res.ok) throw new Error("config.json konnte nicht geladen werden");
  const config = await res.json();
  const basePath = (config.basePath || "").replace(/^\/|\/$/g, "");
  __configCache = basePath ? `/${basePath}` : "";
  return __configCache;
}