200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00ey3uy0 62ms POST /ai/v1/search {} Idempotency-Key: vjTf7T0cIzo_ Send ▶> POST /ai/v1/session {}
< 200 OK req_00ey3uy0 62ms POST /ai/v1/search {} Idempotency-Key: vjTf7T0cIzo_ Send ▶