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working on problem opening projet
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Tara West
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# 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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# STYLE-001 MVP - Testing Guide
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**Version**: MVP
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**Date**: 2026-01-12
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**Estimated Time**: 15-20 minutes
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---
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## 🎯 Testing Objectives
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Verify that:
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1. ✅ Default tokens are injected into the preview
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2. ✅ Tokens can be used in element styles
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3. ✅ Custom token values can be set and persist
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4. ✅ Tokens update in real-time when changed
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---
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## 🛠️ Prerequisites
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- OpenNoodl editor running (`npm run dev` from project root)
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- Browser with DevTools (Chrome/Firefox/Edge recommended)
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- Basic knowledge of CSS custom properties
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---
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## 📋 Test Cases
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### Test 1: Verify Default Tokens Are Injected
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**Goal**: Confirm that default tokens are available in the preview.
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**Steps:**
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1. Start the editor: `npm run dev`
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2. Create a new project (or open an existing one)
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3. Wait for the preview to load
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4. Open browser DevTools (F12 or Right-click → Inspect)
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5. Go to the **Elements** tab
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6. Look for a `<style>` tag with `id="noodl-style-tokens"` in the `<head>`
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**Expected Result:**
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```html
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<style id="noodl-style-tokens">
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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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</style>
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```
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**✅ Pass Criteria**: The style tag exists with all 10 default tokens.
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---
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### Test 2: Use Tokens in Element Styles
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**Goal**: Verify tokens can be used in visual elements.
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**Steps:**
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1. In the node graph, add a **Group** node
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2. In the property panel, go to **Style** section
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3. Add custom styles:
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```css
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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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box-shadow: var(--shadow-md);
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```
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4. Make the Group visible by setting width/height (e.g., 200px x 200px)
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**Expected Result:**
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- Background color: Blue (#3b82f6)
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- Padding: 16px on all sides
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- Border radius: 8px rounded corners
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- Box shadow: Medium shadow visible
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**✅ Pass Criteria**: All token values are applied correctly.
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---
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### Test 3: Verify Token Persistence
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**Goal**: Confirm tokens persist across editor restarts.
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**Steps:**
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1. With a project open, open DevTools Console
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2. Set a custom token value:
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```javascript
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ProjectModel.instance.setMetaData('styleTokens', {
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'--primary': '#ff0000'
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});
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```
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3. Reload the preview (Cmd+R / Ctrl+R)
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4. Check if the element from Test 2 now has a red background
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**Expected Result:**
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- Background changes from blue to red
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- Other tokens remain unchanged (still using defaults)
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**✅ Pass Criteria**: Custom token value persists after reload.
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---
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### Test 4: Real-Time Token Updates
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**Goal**: Verify tokens update without page reload.
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**Steps:**
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1. With the preview showing an element styled with tokens
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2. Open DevTools Console
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3. Change a token value:
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```javascript
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ProjectModel.instance.setMetaData('styleTokens', {
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'--primary': '#00ff00',
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'--space-md': '32px'
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});
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```
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4. Observe the preview **without reloading**
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**Expected Result:**
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- Background changes from previous color to green
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- Padding increases from 16px to 32px
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- Changes happen immediately
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**✅ Pass Criteria**: Changes reflected in real-time.
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---
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### Test 5: Multiple Element Usage
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**Goal**: Confirm tokens work across multiple elements.
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**Steps:**
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1. Add multiple visual elements:
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- Group 1: `background: var(--primary)`
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- Group 2: `background: var(--primary)`
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- Text: `color: var(--foreground)`
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2. Set a custom `--primary` value:
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```javascript
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ProjectModel.instance.setMetaData('styleTokens', {
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'--primary': '#9333ea' // Purple
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});
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```
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**Expected Result:**
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- Both Group 1 and Group 2 change to purple simultaneously
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- Text color remains the foreground color
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**✅ Pass Criteria**: Token change applies to all elements using it.
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---
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### Test 6: Invalid Token Handling
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**Goal**: Verify system handles invalid token values gracefully.
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**Steps:**
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1. Add an element with `background: var(--nonexistent-token)`
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2. Observe what happens
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**Expected Result:**
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- No error in console
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- Element uses browser default (likely transparent/white)
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- Preview doesn't crash
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**✅ Pass Criteria**: System degrades gracefully.
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---
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### Test 7: Token in Different CSS Properties
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**Goal**: Confirm tokens work in various CSS properties.
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**Steps:**
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1. Create an element with multiple token usages:
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```css
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background: var(--primary);
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color: var(--foreground);
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padding: var(--space-sm) var(--space-md);
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margin: var(--space-lg);
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border: 1px solid var(--border);
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border-radius: var(--radius-md);
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box-shadow: var(--shadow-sm);
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```
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2. Inspect the computed styles in DevTools
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**Expected Result:**
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All properties resolve to their token values:
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- `background: rgb(59, 130, 246)` (--primary)
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- `padding: 8px 16px` (--space-sm --space-md)
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- etc.
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**✅ Pass Criteria**: All tokens resolve correctly.
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---
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## 🐛 Troubleshooting
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### Issue: Tokens not showing in preview
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**Solution:**
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1. Check browser console for errors
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2. Verify the style element exists: `document.getElementById('noodl-style-tokens')`
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3. Check if StyleTokensInjector was initialized:
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```javascript
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// In DevTools console
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console.log('Injector exists:', !!window._styleTokensInjector);
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```
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### Issue: Changes don't persist
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**Solution:**
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1. Ensure you're using `ProjectModel.instance.setMetaData()`
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2. Check if metadata is saved:
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```javascript
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console.log(ProjectModel.instance.getMetaData('styleTokens'));
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```
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3. Save the project explicitly if needed
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### Issue: Tokens not updating in real-time
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**Solution:**
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1. Check if the 'metadataChanged' event is firing
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2. Verify StyleTokensInjector is listening to events
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3. Try a hard refresh (Cmd+Shift+R / Ctrl+Shift+F5)
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---
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## 📊 Test Results Template
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```
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STYLE-001 MVP Testing - Results
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================================
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Date: ___________
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Tester: ___________
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Test 1: Default Tokens Injected [ ] PASS [ ] FAIL
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Test 2: Use Tokens in Styles [ ] PASS [ ] FAIL
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Test 3: Token Persistence [ ] PASS [ ] FAIL
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Test 4: Real-Time Updates [ ] PASS [ ] FAIL
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Test 5: Multiple Element Usage [ ] PASS [ ] FAIL
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Test 6: Invalid Token Handling [ ] PASS [ ] FAIL
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Test 7: Various CSS Properties [ ] PASS [ ] FAIL
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Notes:
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_____________________________________________________
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_____________________________________________________
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_____________________________________________________
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Overall Status: [ ] PASS [ ] FAIL
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```
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---
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## 🚀 Next Steps After Testing
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**If all tests pass:**
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- ✅ MVP is ready for use
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- Document any findings
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- Plan STYLE-001 full version (UI panel)
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**If tests fail:**
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- Document which tests failed
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- Note error messages
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- Create bug reports
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- Fix issues before continuing
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---
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_Last Updated: 2026-01-12_
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Reference in New Issue
Block a user