Hai Razor

For Chinese readers, see SKILL.zh_CN.md. The English SKILL.md is the execution source of truth.

Overview

Audit the existence of product requirements, workflow steps, data fields, states, modules, layers, abstractions, service boundaries, and design choices, then classify each as Keep/Merge/Defer/Delete/Replace/Prove-first with evidence. The goal is not a smaller system — see Core Principle for the bar a concept must clear.

Core Principle

Every concept must earn its existence.