200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_004o829z 54ms POST /ai/v1/search {} Idempotency-Key: aPFkz71MtS-5 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_004o829z 54ms POST /ai/v1/search {} Idempotency-Key: aPFkz71MtS-5 Send ▶