200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_008mh24l 44ms POST /ai/v1/search {} Idempotency-Key: AqQlnofw8NLp Send ▶> POST /ai/v1/session {}
< 200 OK req_008mh24l 44ms POST /ai/v1/search {} Idempotency-Key: AqQlnofw8NLp Send ▶