200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01c4d5p9 70ms POST /ai/v1/search {} Idempotency-Key: XwImzVwW-fFv Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01c4d5p9 70ms POST /ai/v1/search {} Idempotency-Key: XwImzVwW-fFv Send ▶