200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01tdnqn9 73ms POST /ai/v1/search {} Idempotency-Key: Ftc8JQCKm6Hd Send ▶> POST /ai/v1/session {}
< 200 OK req_01tdnqn9 73ms POST /ai/v1/search {} Idempotency-Key: Ftc8JQCKm6Hd Send ▶