200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0017e9oa 64ms POST /ai/v1/search {} Idempotency-Key: 8KUBe9pHi7-5 Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0017e9oa 64ms POST /ai/v1/search {} Idempotency-Key: 8KUBe9pHi7-5 Send ▶