200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01r74utx 51ms POST /ai/v1/search {} Idempotency-Key: 0i-PU5DewqIV Send ▶> POST /ai/v1/session {}
< 200 OK req_01r74utx 51ms POST /ai/v1/search {} Idempotency-Key: 0i-PU5DewqIV Send ▶