200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00hfyazw 73ms POST /ai/v1/search {} Idempotency-Key: Z02fB2EP0V1O Send ▶> POST /ai/v1/session {}
< 200 OK req_00hfyazw 73ms POST /ai/v1/search {} Idempotency-Key: Z02fB2EP0V1O Send ▶