Can AI Safely Write Code for High‑Risk Backend Systems? Lessons from Tencent’s CDN
This article analyses how Tencent applied AI coding to its massive, high‑risk CDN LEGO backend, built a Rust‑based Nonstop proxy to probe AI limits, designed a five‑layer Harness Engineering framework with multi‑model adversarial review, identified concrete failure modes, and quantified efficiency gains while redefining developer roles.
