200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0104m3wk 40ms POST /ai/v1/search {} Idempotency-Key: nWU1iUrH2tQ1 Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0104m3wk 40ms POST /ai/v1/search {} Idempotency-Key: nWU1iUrH2tQ1 Send ▶