200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01y2wxi5 62ms POST /ai/v1/search {} Idempotency-Key: AwKD1pXr14b- Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01y2wxi5 62ms POST /ai/v1/search {} Idempotency-Key: AwKD1pXr14b- Send ▶