200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_013khlt9 53ms POST /ai/v1/search {} Idempotency-Key: 11e1ZLFJytIx Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_013khlt9 53ms POST /ai/v1/search {} Idempotency-Key: 11e1ZLFJytIx Send ▶