200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0155t1vl 52ms POST /ai/v1/search {} Idempotency-Key: ZpLPY4q53TFr Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0155t1vl 52ms POST /ai/v1/search {} Idempotency-Key: ZpLPY4q53TFr Send ▶