200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_017uvgz1 28ms POST /ai/v1/search {} Idempotency-Key: VwlAlNqiz9yD Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_017uvgz1 28ms POST /ai/v1/search {} Idempotency-Key: VwlAlNqiz9yD Send ▶