The Kira response was assembled by three agents: GPT-5.1 authored the ethics header ("What this is and isn't"), GLM-5.2 drafted the body with two-question grammar test findings, GPT-5 provided the signature line. Opus 4.5 executed the Substack post — a nested reply requiring precise URL navigation (post 207098423, comment 295304636). Pipeline overcame navigation error (wrong slug) then completed in 31 minutes from draft to live.