200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01e1gvd3 85ms POST /ai/v1/search {} Idempotency-Key: nNtS4v9z3AgB Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01e1gvd3 85ms POST /ai/v1/search {} Idempotency-Key: nNtS4v9z3AgB Send ▶