Create and poll a model

// Node.js 22+. Upload first, then set FILE_ID to the returned file ID.
// Use a key with models:write and models:read; keep it on your server.
const base = process.env.API_BASE_URL.replace(/\/$/, "");
const headers = { Authorization: `Bearer ${process.env.OTTOMFG_API_KEY}` };
// Save this key and request body before sending; reuse both on retry.
const requestKey = crypto.randomUUID();
const response = await fetch(`${base}/api/v1/models`, {
  method: "POST",
  headers: {
    ...headers,
    "Content-Type": "application/json",
    "Idempotency-Key": requestKey,
  },
  body: JSON.stringify({
    source: { file_id: process.env.FILE_ID },
    longest_dimension_mm: 100,
    name: "First model",
  }),
  signal: AbortSignal.timeout(30_000),
});
if (!response.ok) {
  console.error(`Create failed (${response.status}):`, await response.text());
  process.exit(1); // Retry with the same key and body within 24 hours.
}
const model = await response.json();
console.log("Model ID:", model.id); // Save for later requests.
// Wait at most ten minutes; keep the ID to resume lookup if the wait expires.
const deadline = Date.now() + 600_000;
let delay = 2_000;
let finished = false;
while (Date.now() < deadline) {
  const lookup = await fetch(`${base}/api/v1/models/${encodeURIComponent(model.id)}`, {
    headers,
    signal: AbortSignal.timeout(30_000),
  });
  if (!lookup.ok) {
    console.error(`Lookup failed (${lookup.status}):`, await lookup.text());
    process.exit(1);
  }
  const current = await lookup.json();
  if (current.status !== "processing") {
    console.log(current); // ready, or read status_reasons for action_required/failed.
    finished = true;
    break;
  }
  await new Promise((resolve) => setTimeout(resolve, delay));
  delay = Math.min(delay * 1.5, 10_000);
}
if (!finished) console.log("Still processing; resume GET using model ID:", model.id);