200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01mq8uz3 58ms POST /ai/v1/search {} Idempotency-Key: L5DShTmXFgB7 Send ▶> POST /ai/v1/session {}
< 200 OK req_01mq8uz3 58ms POST /ai/v1/search {} Idempotency-Key: L5DShTmXFgB7 Send ▶