200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_00ttl4v2 61ms POST /ai/v1/search {} Idempotency-Key: KdfxVAzmiub9 Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_00ttl4v2 61ms POST /ai/v1/search {} Idempotency-Key: KdfxVAzmiub9 Send ▶