200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0183ynw7 41ms POST /ai/v1/search {} Idempotency-Key: p4NyGqT6Y3AV Send ▶> POST /ai/v1/session {}
< 200 OK req_0183ynw7 41ms POST /ai/v1/search {} Idempotency-Key: p4NyGqT6Y3AV Send ▶