200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_016cjkg7 37ms POST /ai/v1/search {} Idempotency-Key: YIG7PQQBzS7_ Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_016cjkg7 37ms POST /ai/v1/search {} Idempotency-Key: YIG7PQQBzS7_ Send ▶