200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_00vhu3zq 57ms POST /ai/v1/search {} Idempotency-Key: rCL4Q4iji1nl Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_00vhu3zq 57ms POST /ai/v1/search {} Idempotency-Key: rCL4Q4iji1nl Send ▶