200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_013u6wsg 25ms POST /ai/v1/search {} Idempotency-Key: 4A0YUZ4Shsy2 Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_013u6wsg 25ms POST /ai/v1/search {} Idempotency-Key: 4A0YUZ4Shsy2 Send ▶