200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01u5sdtt 41ms POST /ai/v1/search {} Idempotency-Key: 8ZcypE_QWyDh Send ▶> POST /ai/v1/session {}
< 200 OK req_01u5sdtt 41ms POST /ai/v1/search {} Idempotency-Key: 8ZcypE_QWyDh Send ▶