200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01w5f5bf 24ms POST /ai/v1/search {} Idempotency-Key: XqpnnbseC3-U Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01w5f5bf 24ms POST /ai/v1/search {} Idempotency-Key: XqpnnbseC3-U Send ▶