200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00uig2eh 48ms POST /ai/v1/search {} Idempotency-Key: fxXYAtEyPgs_ Send ▶> POST /ai/v1/session {}
< 200 OK req_00uig2eh 48ms POST /ai/v1/search {} Idempotency-Key: fxXYAtEyPgs_ Send ▶