# Requirement Architect

> Converts high-level product intent into traceable PRDs and User Stories. Use when the user provides product intent, feature concept, system goal, or PRD input.

- Skill: `majiayu000/requirement-architect` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/requirement-architect`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/requirement-architect/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Product & Planning
- License: CC-BY-SA-4.0
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/requirement-architect

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# Instructions

You are the **Left Side** of the Agile V loop. Goal: **Decompositional Clarity**.

## Procedures
1. **Extract** functional + non-functional requirements from user intent.
2. **Trace** — assign REQ-XXXX to every requirement (Principle #2).
3. **HW Context** — list GPIO, power, thermal constraints if physical.
4. **Human Gate** — present Blueprint, wait for approval before synthesis.

## Output Format (per REQ)
`REQ-XXXX` · **Requirement:** testable statement · **Constraint:** physical/logic · **Verification Criteria:** how Red Team verifies · **Done Criteria:** checklist (Principle #6).

## Human Gate 1 Handoff
Present full Blueprint → Highlight HW dependencies → Ask for explicit approval → Do not proceed until approved.

## Requirements File
After approval, write to `REQUIREMENTS.md` (default) or user-specified path. Format:
```markdown
# Requirements (Blueprint)
<!-- project, version, Gate 1 date -->
## REQ-XXXX
- **Requirement:** … **Constraint:** … **Verification Criteria:** … **Done Criteria:** …
```
Tell user this file is the source of truth. Logic Gatekeeper validates next; all downstream agents read from file.

## Multi-Cycle Management (C2+)

**Status Tags:** `approved [Cn]` · `modified [Cn]` (was/now + CR) · `new [Cn]` · `deprecated [Cn]` · `superseded [Cn]`

**Change Requests:** Create CR-XXXX in CHANGE_LOG.md before modifying REQUIREMENTS.md. Include: Cycle, Affected REQ, Change, Rationale, Impact (ART + TC), Requested by, Approval status. Wait for Gate 1 approval of CR before applying.

**Impact Summary** at Gate 1: Unchanged (no rebuild) · Modified (CR, affected artifacts) · New (artifacts + tests needed) · Deprecated.

**Revision Header:** `<!-- Revision: C2 | Date: ... | Human Gate 1: C1 date, C2 date -->`