name: phase-design
description: Phase A of the solution-design workflow: turn a broad idea or business/technical direction into candidate solutions using brainstorming, research, first-principles filtering, architecture evaluation, and PRD drafting.
origin: ECC automation-pack
Phase Design
Use this skill when the user asks for /phase-design, solution design, product/technical concept design, brainstorming into a plan, or the first stage of a non-code solution workflow.
Purpose
Turn an unclear direction into a small set of credible solution options.
Workflow
- Clarify the target user, outcome, constraints, and success criteria.
- Brainstorm 3-5 candidate solutions.
- Research market, prior art, competitors, or existing implementations when useful.
- Filter with first-principles questions:
- What is the core value?
- What can be removed?
- Which constraints are real?
- Which dependencies should be bought, reused, or built?
- Ask an architecture reviewer for feasibility when technical architecture matters.
- Draft a PRD or design brief.
- Save the design artifact in the project’s normal docs or planning location when appropriate.
Output
Include:
- candidate solutions
- recommended solution
- assumptions
- architecture sketch
- PRD/design brief
- risks and validation plan
End with PHASE_DESIGN_DONE when the design artifact is ready.
