200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00hoyiqp 62ms POST /ai/v1/search {} Idempotency-Key: vKz9y7_c4EUW Send ▶> POST /ai/v1/session {}
< 200 OK req_00hoyiqp 62ms POST /ai/v1/search {} Idempotency-Key: vKz9y7_c4EUW Send ▶