Hai PRD

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

Overview

Handle all PRD-related work: deciding whether a PRD is even needed, choosing PRD granularity, splitting or merging PRDs, drafting a PRD from a product problem, and refining an existing one.

The non-obvious framing: a PRD is not the default artifact. Not every idea, field, API, configuration change, or technical decision earns one. Pick the mode that fits the request and do not wrap work in a PRD when there is no product boundary or acceptance to prove.

Core Principle

A PRD is a product argument with verifiable acceptance — not a feature list. Three rules carry the rest: