200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01jaum4g 60ms POST /ai/v1/search {} Idempotency-Key: P9l0T0bGbx_t Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01jaum4g 60ms POST /ai/v1/search {} Idempotency-Key: P9l0T0bGbx_t Send ▶