Reference Design Contract

---
name: reference-design-contract
zh_name: "参考转设计合约"
en_name: "Reference Design Contract"
description: |
  Turn vague taste, screenshots, URLs, product notes, or "make it feel like this"
  references into a grounded DESIGN.md plus an implementation handoff. Use it
  before prototypes, decks, redesigns, or image remix work when the user needs
  a reusable visual direction rather than a one-off prompt.
triggers:
  - "design contract"
  - "reference design brief"
  - "style contract"
  - "visual direction handoff"
  - "turn references into DESIGN.md"
  - "make it feel like this"
  - "做同款但不照抄"
  - "把参考图转成设计规范"
od:
  mode: design-system
  platform: desktop
  scenario: planning
  category: design-systems
  preview:
    type: html
    entry: example.html
  design_system:
    requires: false
    generates: true
    sections: [visual-theme, color, typography, spacing, layout, components, motion, voice, anti-patterns]
  craft:
    requires:
      - typography
      - color
      - anti-ai-slop
  inputs:
    - name: brief
      type: string
      required: true
      description: "Goal, audience, references, or the style problem to resolve"
  outputs:
    primary: DESIGN.md
    secondary:
      - design-contract.md
      - implementation-handoff.md
      - example.html
  capabilities_required:
    - file_write
  example_prompt: "Create a reference design contract for a developer-notes app. The direction should feel editorial, calm, tactile, and serious, but not copy any specific product. Produce DESIGN.md and an implementation handoff."
  example_prompt_i18n:
    zh-CN: "为一个开发者笔记应用创建「参考转设计合约」。方向要有编辑感、安静、触感强、认真，但不要照抄任何具体产品。输出 DESIGN.md 和实现交接说明。"
---

# Reference Design Contract

Use this skill when the user has taste signals, references, or a rough "like
this" request and needs a reusable design contract before generation. The goal
is not to write a longer prompt. The goal is to make design decisions explicit
enough that a later prototype, deck, redesign, or image-remix run can execute
without guessing.

## What this skill produces

Create three files:

1. `DESIGN.md` — the reusable visual direction, following OpenDesign's
   standard nine-section design-system shape.
2. `design-contract.md` — the decision record: evidence used, keep/change
   boundaries, rationale, risks, and quality gate.
3. `implementation-handoff.md` — concise build instructions for the next
   artifact-producing skill or coding agent.

If a preview is useful, also create `example.html` as a small hand-built
contract preview. Do not make it the main deliverable.

## Workflow

1. **Lock the job.** Identify target artifact type, audience, brand/product
   context, references, and constraints. Ask at most two questions only when a
   missing answer would change the direction. Otherwise choose a sensible
   default and label it as inferred.
2. **Read evidence.** Use provided screenshots, URLs, existing `DESIGN.md`,
   brand docs, image artifacts, or user notes. If evidence is missing, say so
   and base the contract on the brief only; do not invent brand facts.
3. **Separate reference semantics.** For every reference, split it into:
   - `Keep`: qualities to preserve, such as density, composition, material,
     typography rhythm, color temperature, or motion attitude.
   - `Change`: subject matter, copy, brand marks, exact layout, protected
     assets, and anything the user wants adapted.
   - `Do not copy`: literal screenshots, logos, claims, pricing, proprietary
     UI, or exact prompt wording from examples.
4. **Freeze the direction.** Choose one coherent visual stance. Do not provide
   five unrelated moodboards. If there are genuinely competing directions,
   name them briefly, pick the recommended one, and continue.
5. **Write `DESIGN.md`.** Use these nine headings exactly:
   - `## 1. Visual Theme & Atmosphere`
   - `## 2. Color`
   - `## 3. Typography`
   - `## 4. Spacing & Grid`
   - `## 5. Layout & Composition`
   - `## 6. Components`
   - `## 7. Motion & Interaction`
   - `## 8. Voice & Brand`
   - `## 9. Anti-patterns`
6. **Write `design-contract.md`.** Include:
   - goal and target artifact
   - evidence table with confidence (`observed`, `provided`, `inferred`)
   - keep/change/do-not-copy table
   - final design stance in one paragraph
   - risks and explicit unknowns
   - quality gate checklist
7. **Write `implementation-handoff.md`.** Keep it short and operational:
   - files to read
   - token/palette/type/layout constraints
   - asset rules
   - responsive requirements
   - "first artifact should prove..." acceptance notes
8. **Validate.** Read `references/checklist.md` and satisfy every P0 gate
   before final handoff.

## Output rules

- Make every claim traceable to user input, observed reference evidence, or an
  explicitly labeled inference.
- Prefer concrete constraints over adjectives: "one warm accent, no purple or
  blue glow" beats "premium".
- Treat "do the same style" as "borrow controllable qualities", not "clone the
  original subject or prompt".
- If the user asks for immediate UI generation too, finish these contract files
  first, then hand off to the appropriate artifact skill in the next step.