200 OK — session open
> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_01oxzlqv 48ms POST /ai/v1/search {} Idempotency-Key: -7GO_pQ7mRf_ Send ▶> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_01oxzlqv 48ms POST /ai/v1/search {} Idempotency-Key: -7GO_pQ7mRf_ Send ▶