async function parseApiError(response){
  const text=await response.text();
  try{
    const data=JSON.parse(text);
    if(data.detail){
      if(typeof data.detail==='string')return data.detail;
      return JSON.stringify(data.detail);
    }
    if(data.error)return String(data.error);
    return JSON.stringify(data);
  }catch(_){
    return text||`HTTP ${response.status}`;
  }
}
function withCacheBust(path){
  const sep=path.includes("?")?"&":"?";
  return `${path}${sep}_=${Date.now()}`;
}
async function apiGet(path){
  const r=await fetch(withCacheBust(path),{cache:"no-store",headers:{"Accept":"application/json","Cache-Control":"no-cache"}});
  if(!r.ok)throw new Error(await parseApiError(r));
  return r.json();
}
async function apiPost(path,body){
  const r=await fetch(path,{method:"POST",cache:"no-store",headers:{"Content-Type":"application/json","Accept":"application/json","Cache-Control":"no-cache"},body:JSON.stringify(body||{})});
  if(!r.ok)throw new Error(await parseApiError(r));
  return r.json();
}


async function apiDelete(path){
  const r=await fetch(withCacheBust(path),{method:"DELETE",cache:"no-store",headers:{"Accept":"application/json","Cache-Control":"no-cache"}});
  if(!r.ok)throw new Error(await parseApiError(r));
  return r.json();
}