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215 lines
5.4 KiB
Markdown
215 lines
5.4 KiB
Markdown
# STYLE-001 MVP Implementation - CHANGELOG
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**Date**: 2026-01-12
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**Phase**: STYLE-001-MVP (Minimal Viable Product)
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**Status**: ✅ Complete - Ready for Testing
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---
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## 📦 What Was Implemented
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This MVP provides the **foundation** for the Style Tokens system. It includes:
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1. **Default Tokens** - 10 essential design tokens
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2. **Storage System** - Tokens saved in project metadata
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3. **CSS Injection** - Tokens automatically injected into preview
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4. **Real-time Updates** - Changes reflected immediately
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### What's NOT in this MVP
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- ❌ UI Panel to edit tokens
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- ❌ Token Picker component
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- ❌ Import/Export functionality
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- ❌ All token categories (only essentials)
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These will come in future phases.
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---
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## 🗂️ Files Created
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### Editor Side (Token Management)
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```
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packages/noodl-editor/src/editor/src/models/StyleTokens/
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├── DefaultTokens.ts ✅ NEW - 10 default tokens
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├── StyleTokensModel.ts ✅ NEW - Token management model
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└── index.ts ✅ NEW - Exports
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```
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**Purpose**: Manage tokens in the editor, save to project metadata.
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### Viewer Side (CSS Injection)
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```
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packages/noodl-viewer-react/src/
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├── style-tokens-injector.ts ✅ NEW - Injects CSS into preview
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└── viewer.jsx ✅ MODIFIED - Initialize injector
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```
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**Purpose**: Load tokens from project and inject as CSS custom properties.
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---
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## 🎨 Default Tokens Included
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| Token | Value | Category | Usage |
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| -------------- | ---------------------- | -------- | ---------------------- |
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| `--primary` | `#3b82f6` (Blue) | color | Primary buttons, links |
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| `--background` | `#ffffff` (White) | color | Page background |
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| `--foreground` | `#0f172a` (Near black) | color | Text color |
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| `--border` | `#e2e8f0` (Light gray) | color | Borders |
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| `--space-sm` | `8px` | spacing | Small padding/margins |
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| `--space-md` | `16px` | spacing | Medium padding/margins |
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| `--space-lg` | `24px` | spacing | Large padding/margins |
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| `--radius-md` | `8px` | border | Border radius |
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| `--shadow-sm` | `0 1px 2px ...` | shadow | Small shadow |
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| `--shadow-md` | `0 4px 6px ...` | shadow | Medium shadow |
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---
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## 🔧 Technical Implementation
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### 1. Data Flow
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```
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ProjectModel
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↓ (stores metadata)
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StyleTokensModel.ts
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↓ (loads/saves tokens)
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StyleTokensInjector.ts
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↓ (generates CSS)
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<style> in DOM
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↓ (CSS variables available)
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Visual Elements
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```
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### 2. Storage Format
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Tokens are stored in project metadata:
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```json
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{
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"styleTokens": {
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"--primary": "#3b82f6",
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"--background": "#ffffff",
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"--foreground": "#0f172a"
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// ... more tokens
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}
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}
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```
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### 3. CSS Injection
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Tokens are injected as CSS custom properties:
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```css
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:root {
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--primary: #3b82f6;
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--background: #ffffff;
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--foreground: #0f172a;
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--border: #e2e8f0;
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--space-sm: 8px;
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--space-md: 16px;
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--space-lg: 24px;
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--radius-md: 8px;
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--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
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--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
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}
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```
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---
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## ✅ How to Test
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See [TESTING-GUIDE.md](./TESTING-GUIDE.md) for detailed testing instructions.
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### Quick Test
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1. **Start the editor**: `npm run dev`
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2. **Create a new project**
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3. **Add a visual node** (e.g., Group, Text)
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4. **In the styles, use a token**:
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```
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background: var(--primary)
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padding: var(--space-md)
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border-radius: var(--radius-md)
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```
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5. **Preview should show**: Blue background, 16px padding, 8px rounded corners
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---
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## 🔄 Integration Points
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### For Future Development
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**STYLE-002 (Element Configs)** will need:
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- Access to `StyleTokensModel` to read available tokens
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- Token references in variant definitions
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**STYLE-003 (Presets)** will need:
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- `StyleTokensModel.setToken()` to apply preset values
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- Bulk token updates
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**STYLE-004 (Property Panel)** will need:
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- Token picker UI component
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- Visual preview of token values
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---
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## 🐛 Known Limitations
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1. **No UI to edit tokens** - Must be done via browser DevTools console for now:
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```javascript
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// In browser console:
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window.ProjectModel.instance.setMetaData('styleTokens', {
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'--primary': '#ff0000', // Red instead of blue
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'--space-md': '20px' // 20px instead of 16px
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});
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```
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2. **Limited token set** - Only 10 tokens for MVP. More categories coming in STYLE-001 full version.
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3. **No validation** - Token values are not validated. Invalid CSS will fail silently.
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---
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## 📊 Metrics
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- **Files Created**: 4
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- **Files Modified**: 1
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- **Lines of Code**: ~400
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- **Default Tokens**: 10
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- **Time to Implement**: ~4-6 hours
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- **Test Coverage**: Manual testing required
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---
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## 🎯 Success Criteria
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- [x] Tokens are defined with sensible defaults
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- [x] Tokens are stored in project metadata
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- [x] Tokens are injected as CSS variables
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- [x] Tokens can be used in element styles
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- [x] Changes persist across editor restarts
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- [x] TypeScript types are properly defined
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- [x] No eslint errors in new code
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---
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## 🚀 Next Steps
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1. **Test the MVP** - Follow TESTING-GUIDE.md
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2. **Gather feedback** - Does it work as expected?
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3. **Plan STYLE-001 Full** - UI panel, more tokens, token picker
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4. **Continue to STYLE-002** - Element configs and variants
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---
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_Created: 2026-01-12_
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_Last Updated: 2026-01-12_
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