Architect PARK JUN WOO
Opinion
Why societies clash — and how we might fight less.

Who Defines 'Done'? — The Problem Games Solved 40 Years Ago
The moment you define tenant move-out confirmation as five photos, it becomes a game quest. Defining 'done' not as the agent's claim but as a mechanically verifiable condition — games solved this 40 years ago, and it is the right way to get AI agents to actually do their job.
Tech
Technology ideas for solving real problems.

filefunc × Hono — From 60 Lines to 18: Code an Agent Reads in One Pass
I refactored Hono — a production framework with 23k stars — using filefunc. All 4,419 tests passed. Then I measured: the median lines an agent reads to grasp one concept dropped 71%, from 60 to 18. File count isn't the point — read length is.
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.