200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00w3uz3q 40ms POST /ai/v1/search {} Idempotency-Key: RCD75WC_TLUY Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00w3uz3q 40ms POST /ai/v1/search {} Idempotency-Key: RCD75WC_TLUY Send ▶