200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_009kw26w 53ms POST /ai/v1/search {} Idempotency-Key: NEp8yqA_1C6x Send ▶> POST /ai/v1/session {}
< 200 OK req_009kw26w 53ms POST /ai/v1/search {} Idempotency-Key: NEp8yqA_1C6x Send ▶