200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_018baa8i 28ms POST /ai/v1/search {} Idempotency-Key: eojTQqD1--hN Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_018baa8i 28ms POST /ai/v1/search {} Idempotency-Key: eojTQqD1--hN Send ▶