200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_003dui9l 73ms POST /ai/v1/search {} Idempotency-Key: 2B5W25Q6LJrZ Send ▶> POST /ai/v1/session {}
< 200 OK req_003dui9l 73ms POST /ai/v1/search {} Idempotency-Key: 2B5W25Q6LJrZ Send ▶