Architect PARK JUN WOO
Opinion
Why societies clash — and how we might fight less.
The Tool That Gave Us the Reins Had No Reins of Its Own — The Boundary Between Harness and Reins
"Reins Engineering — isn't that just harness engineering?" The two don't oppose each other — they're different parts of the same tack. But they are different parts. Even the world's best coding agent put no reins on its own code. That's because reins aren't something you have; they're something you apply.
Tech
Technology ideas for solving real problems.
How to Make a Quest CLI — Build a Tool That Lets the Machine Judge Completion
AI says "Done." In reality, it isn't finished. This article is about building the tool that solves that problem — a quest CLI — with your own hands. From the principle (why) to the cobra command skeleton (how), this single article is enough for an agent to build a Go quest CLI. comail is the proof.
Lecture
Vibe coding scaleup. How non-coders command AI agents.
Class 11. How to Rescue a Broken Vibe-Coded App
Your vibe-coded app just broke. You don't need to rebuild it. Diagnose it, lock it down, and step out one move at a time.