200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01o4vhwq 30ms POST /ai/v1/search {} Idempotency-Key: Is51riJ3kjEQ Send ▶> POST /ai/v1/session {}
< 200 OK req_01o4vhwq 30ms POST /ai/v1/search {} Idempotency-Key: Is51riJ3kjEQ Send ▶