200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_011nng9c 38ms POST /ai/v1/search {} Idempotency-Key: b4_7SDMrwkDa Send ▶> POST /ai/v1/session {}
< 200 OK req_011nng9c 38ms POST /ai/v1/search {} Idempotency-Key: b4_7SDMrwkDa Send ▶