200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00pvx3t3 49ms POST /ai/v1/search {} Idempotency-Key: pJ6S6KVwd14J Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00pvx3t3 49ms POST /ai/v1/search {} Idempotency-Key: pJ6S6KVwd14J Send ▶