200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00ur8ob0 48ms POST /ai/v1/search {} Idempotency-Key: 5yMSFEiYcyZ- Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00ur8ob0 48ms POST /ai/v1/search {} Idempotency-Key: 5yMSFEiYcyZ- Send ▶