200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01ex6gp6 21ms POST /ai/v1/search {} Idempotency-Key: mH5Lldg_KkKE Send ▶> POST /ai/v1/session {}
< 200 OK req_01ex6gp6 21ms POST /ai/v1/search {} Idempotency-Key: mH5Lldg_KkKE Send ▶