200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00125qw2 81ms POST /ai/v1/search {} Idempotency-Key: AQ85cVBU6qmT Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00125qw2 81ms POST /ai/v1/search {} Idempotency-Key: AQ85cVBU6qmT Send ▶