200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_00afbx1r 20ms POST /ai/v1/search {} Idempotency-Key: PA5B-QWCEcy6 Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_00afbx1r 20ms POST /ai/v1/search {} Idempotency-Key: PA5B-QWCEcy6 Send ▶