200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01bi0f2t 34ms POST /ai/v1/search {} Idempotency-Key: 26ELM2wk7Ftp Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01bi0f2t 34ms POST /ai/v1/search {} Idempotency-Key: 26ELM2wk7Ftp Send ▶