200 OK — session open
> POST /ai/v1/session {"source": "dan"}
< 200 OK req_019ytth0 48ms POST /ai/v1/search {} Idempotency-Key: UM82-hGuqVt4 Send ▶> POST /ai/v1/session {"source": "dan"}
< 200 OK req_019ytth0 48ms POST /ai/v1/search {} Idempotency-Key: UM82-hGuqVt4 Send ▶