200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_00zj53rr 45ms POST /ai/v1/search {} Idempotency-Key: XY_6nQHBN8Pm Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_00zj53rr 45ms POST /ai/v1/search {} Idempotency-Key: XY_6nQHBN8Pm Send ▶