200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_00aqz1vc 73ms POST /ai/v1/search {} Idempotency-Key: L8Gxr6mT54IM Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_00aqz1vc 73ms POST /ai/v1/search {} Idempotency-Key: L8Gxr6mT54IM Send ▶