200 OK — session open
> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_00kgyhu7 40ms POST /ai/v1/search {} Idempotency-Key: vHAXhgjw-9Xd Send ▶> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_00kgyhu7 40ms POST /ai/v1/search {} Idempotency-Key: vHAXhgjw-9Xd Send ▶