200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0146xeuq 32ms POST /ai/v1/search {} Idempotency-Key: W7yWamwMSgG9 Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0146xeuq 32ms POST /ai/v1/search {} Idempotency-Key: W7yWamwMSgG9 Send ▶