200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0152do9f 23ms POST /ai/v1/search {} Idempotency-Key: Y7112Qu5BBDy Send ▶> POST /ai/v1/session {}
< 200 OK req_0152do9f 23ms POST /ai/v1/search {} Idempotency-Key: Y7112Qu5BBDy Send ▶