200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01lhypx5 24ms POST /ai/v1/search {} Idempotency-Key: BQ4vQu2_K3e6 Send ▶> POST /ai/v1/session {}
< 200 OK req_01lhypx5 24ms POST /ai/v1/search {} Idempotency-Key: BQ4vQu2_K3e6 Send ▶