200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_01gr1z2z 32ms POST /ai/v1/search {} Idempotency-Key: Y8dsOlmDwUh4 Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_01gr1z2z 32ms POST /ai/v1/search {} Idempotency-Key: Y8dsOlmDwUh4 Send ▶