200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_000cpntl 25ms POST /ai/v1/search {} Idempotency-Key: 9ra11-OAHWQ3 Send ▶> POST /ai/v1/session {}
< 200 OK req_000cpntl 25ms POST /ai/v1/search {} Idempotency-Key: 9ra11-OAHWQ3 Send ▶