200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_011b6vp8 64ms POST /ai/v1/search {} Idempotency-Key: 0oHwsvU_8RDd Send ▶> POST /ai/v1/session {}
< 200 OK req_011b6vp8 64ms POST /ai/v1/search {} Idempotency-Key: 0oHwsvU_8RDd Send ▶