200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00bacckv 40ms POST /ai/v1/search {} Idempotency-Key: UvK_8jjzg0xD Send ▶> POST /ai/v1/session {}
< 200 OK req_00bacckv 40ms POST /ai/v1/search {} Idempotency-Key: UvK_8jjzg0xD Send ▶