200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_008pdqt9 74ms POST /ai/v1/search {} Idempotency-Key: OsYxmq9D-52T Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_008pdqt9 74ms POST /ai/v1/search {} Idempotency-Key: OsYxmq9D-52T Send ▶