200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01m08nap 52ms POST /ai/v1/search {} Idempotency-Key: 9a1cb_S9dGd5 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01m08nap 52ms POST /ai/v1/search {} Idempotency-Key: 9a1cb_S9dGd5 Send ▶