gjkim instruction.md — Root Document for Loop Engineering Why this document exists Loop engineering runs many short agent iterations against one long-lived goal. Each iteration starts with little context, so it needs one stable place that says what must be true and what has already been decided. That place is , kept at the root of the project the loop works on. The failure mode this document guards against is early decision lock-in. Whatever is written in the root document, every later iteration inherits as if it were a requirement. If unconfirmed details get written down — a library choice,…