200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01imxkh6 40ms POST /ai/v1/search {} Idempotency-Key: L5jdBZq8ajnX Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01imxkh6 40ms POST /ai/v1/search {} Idempotency-Key: L5jdBZq8ajnX Send ▶