// frontend/src/api.ts
export async function api<T=any>(path: string, init?: RequestInit): Promise<T> {
  const r = await fetch(path, { credentials:'include', ...init });
  if (!r.ok) throw new Error(await r.text());
  const ct = r.headers.get('content-type') || '';
  return (ct.includes('json') ? r.json() : (r.text() as any)) as T;
}
export type WhoAmI = { username: string; root: string };