200 OK — session open
> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_00trtg20 21ms POST /ai/v1/search {} Idempotency-Key: tpA_pgXnoWM4 Send ▶> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_00trtg20 21ms POST /ai/v1/search {} Idempotency-Key: tpA_pgXnoWM4 Send ▶