200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01lnpi7i 88ms POST /ai/v1/search {} Idempotency-Key: PzpRwYjy2_vk Send ▶> POST /ai/v1/session {}
< 200 OK req_01lnpi7i 88ms POST /ai/v1/search {} Idempotency-Key: PzpRwYjy2_vk Send ▶