200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0111373x 80ms POST /ai/v1/search {} Idempotency-Key: Mf_C5O_7ybZQ Send ▶> POST /ai/v1/session {}
< 200 OK req_0111373x 80ms POST /ai/v1/search {} Idempotency-Key: Mf_C5O_7ybZQ Send ▶