200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_001n7t5l 81ms POST /ai/v1/search {} Idempotency-Key: 0_ZAngpy9L56 Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_001n7t5l 81ms POST /ai/v1/search {} Idempotency-Key: 0_ZAngpy9L56 Send ▶