200 OK — session open
> POST /ai/v1/session {"source": "dan"}
< 200 OK req_01pq3p6p 22ms POST /ai/v1/search {} Idempotency-Key: Jm0jZZWfz1Q0 Send ▶> POST /ai/v1/session {"source": "dan"}
< 200 OK req_01pq3p6p 22ms POST /ai/v1/search {} Idempotency-Key: Jm0jZZWfz1Q0 Send ▶