200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_018xmka4 73ms POST /ai/v1/search {} Idempotency-Key: e9bx5bKYPCNP Send ▶> POST /ai/v1/session {}
< 200 OK req_018xmka4 73ms POST /ai/v1/search {} Idempotency-Key: e9bx5bKYPCNP Send ▶