200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_015ep3as 50ms POST /ai/v1/search {} Idempotency-Key: v7BDoxw5W-zv Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_015ep3as 50ms POST /ai/v1/search {} Idempotency-Key: v7BDoxw5W-zv Send ▶