Go-live checklist

async function createSessionWithRetry(body: object, maxAttempts = 4) {
  for (let attempt = 1; attempt <= maxAttempts; attempt++) {
    const res = await fetch(`${BASE}/v3/session/`, {
      method: "POST",
      headers: { "x-api-key": KEY, "content-type": "application/json", "idempotency-key": body.idempotencyKey },
      body: JSON.stringify(body),
    });

    if (res.ok) return res.json();
    if (res.status === 402) throw new Error("insufficient_credits");   // don't retry — won't fix itself
    if (res.status === 429 || res.status >= 500) {
      const delayMs = Math.min(1000 * 2 ** attempt, 8000) + Math.random() * 250;
      await new Promise((r) => setTimeout(r, delayMs));
      continue;
    }
    throw new Error(`obsidian ${res.status}: ${await res.text()}`);    // 400/401 — don't retry
  }
  throw new Error("obsidian: exhausted retries");
}

import time, random, requests

def create_session_with_retry(body: dict, max_attempts: int = 4) -> dict:
    for attempt in range(1, max_attempts + 1):
        resp = requests.post(
            f"{BASE}/v3/session/",
            headers={"x-api-key": KEY, "Idempotency-Key": body["idempotency_key"]},
            json=body,
            timeout=15,
        )
        if resp.ok:
            return resp.json()
        if resp.status_code == 402:
            raise RuntimeError("insufficient_credits")       # don't retry — won't fix itself
        if resp.status_code == 429 or resp.status_code >= 500:
            delay = min(1 * 2 ** attempt, 8) + random.uniform(0, 0.25)
            time.sleep(delay)
            continue
        resp.raise_for_status()                              # 400/401 — don't retry
    raise RuntimeError("obsidian: exhausted retries")