200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00a1rsid 79ms POST /ai/v1/search {} Idempotency-Key: jgV-YdPvuJYM Send ▶> POST /ai/v1/session {}
< 200 OK req_00a1rsid 79ms POST /ai/v1/search {} Idempotency-Key: jgV-YdPvuJYM Send ▶