200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00z4s8b5 85ms POST /ai/v1/search {} Idempotency-Key: t6XQ9zP_dybj Send ▶> POST /ai/v1/session {}
< 200 OK req_00z4s8b5 85ms POST /ai/v1/search {} Idempotency-Key: t6XQ9zP_dybj Send ▶