200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00zzrdit 18ms POST /ai/v1/search {} Idempotency-Key: Qx1zRVAoNZAF Send ▶> POST /ai/v1/session {}
< 200 OK req_00zzrdit 18ms POST /ai/v1/search {} Idempotency-Key: Qx1zRVAoNZAF Send ▶