200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01wm0v5w 51ms POST /ai/v1/search {} Idempotency-Key: B7gjXbDr1dvM Send ▶> POST /ai/v1/session {}
< 200 OK req_01wm0v5w 51ms POST /ai/v1/search {} Idempotency-Key: B7gjXbDr1dvM Send ▶