window.api = {
  async get(path) {
    const r = await fetch(path);
    if (!r.ok) {
      let msg = `HTTP ${r.status}`;
      try { const j = await r.json(); msg = j.error || msg; } catch {}
      throw new Error(msg);
    }
    return r.json();
  },
  async send(method, path, body) {
    const r = await fetch(path, {
      method,
      headers: { 'Content-Type': 'application/json' },
      body: body ? JSON.stringify(body) : undefined
    });
    if (!r.ok) {
      let msg = `HTTP ${r.status}`;
      try { const j = await r.json(); msg = j.error || msg; } catch {}
      throw new Error(msg);
    }
    return r.json();
  },
  post(path, body) { return this.send('POST', path, body); },
  put(path, body) { return this.send('PUT', path, body); },
  del(path) { return this.send('DELETE', path); }
};