200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01f3p7rc 65ms POST /ai/v1/search {} Idempotency-Key: e4ZDgm7-YvT6 Send ▶> POST /ai/v1/session {}
< 200 OK req_01f3p7rc 65ms POST /ai/v1/search {} Idempotency-Key: e4ZDgm7-YvT6 Send ▶