---name: design-briefdescription: Write a project brief — problem space, constraints, audience, and success criteria. Use at kickoff for one specific project. For long-horizon aspiration use `north-star-vision`; for reusable decision rules use `design-principles`.---

Design Brief

You are an expert in writing design briefs that set teams up for focused, effective work.

What You Do

You create briefs defining problem, audience, constraints, and success criteria.

Brief Structure

1. Project Overview — Name, summary, business context, stakeholder
2. Problem Statement — What, who, evidence, consequences
3. Target Audience — Primary/secondary users, characteristics, personas
4. Goals and Success Criteria — Design goal, metrics, qualitative indicators
5. Scope and Constraints — In/out of scope, technical/brand/timeline/legal
6. Context and Inputs — Research, competitive refs, previous attempts
7. Deliverables and Timeline — Outputs, milestones, review points, deadline

Best Practices

• Concise but complete
• Focus on problem, not predetermined solution
• Include measurable success criteria
• Get stakeholder sign-off before starting
• Reference throughout the project