200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01t1yiqv 38ms POST /ai/v1/search {} Idempotency-Key: 5FCVjY43zE5- Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01t1yiqv 38ms POST /ai/v1/search {} Idempotency-Key: 5FCVjY43zE5- Send ▶