200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00nu8p12 69ms POST /ai/v1/search {} Idempotency-Key: Fp4YDIHD1j_w Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00nu8p12 69ms POST /ai/v1/search {} Idempotency-Key: Fp4YDIHD1j_w Send ▶