200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_015hv8wy 22ms POST /ai/v1/search {} Idempotency-Key: alO2NQYZM6VM Send ▶> POST /ai/v1/session {}
< 200 OK req_015hv8wy 22ms POST /ai/v1/search {} Idempotency-Key: alO2NQYZM6VM Send ▶