200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01lz7bv1 89ms POST /ai/v1/search {} Idempotency-Key: gzjvM0gkg_W- Send ▶> POST /ai/v1/session {}
< 200 OK req_01lz7bv1 89ms POST /ai/v1/search {} Idempotency-Key: gzjvM0gkg_W- Send ▶