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+# Implementation Summary / 实现总结
+
+## English
+
+### Task: Develop Designer
+**Original Request**: "帮我开发设计器" (Help me develop a designer)
+
+### What Was Delivered
+
+A complete visual designer package (`@object-ui/designer`) for the Object UI system, enabling users to create and edit UI schemas through a visual interface.
+
+### Key Deliverables
+
+1. **Core Designer Package** (`packages/designer/`)
+ - 6 React components totaling ~700 lines of code
+ - Full TypeScript support with type definitions
+ - Context-based state management
+ - Modular and extensible architecture
+
+2. **Components Implemented**
+ - `Designer`: Main integrated component
+ - `Canvas`: Visual editing surface with live preview
+ - `ComponentPalette`: Categorized component browser
+ - `PropertyPanel`: Dynamic property editor
+ - `Toolbar`: Import/export functionality
+ - `DesignerContext`: Central state management
+
+3. **Features**
+ - Real-time visual editing
+ - Click-to-select components
+ - Dynamic property forms
+ - JSON import/export/copy
+ - Live preview updates
+ - Support for 50+ component types
+ - Tailwind CSS class editing
+
+4. **Documentation**
+ - README.md: Complete usage guide
+ - IMPLEMENTATION.zh-CN.md: Chinese implementation details
+ - VISUAL_GUIDE.md: Visual interface documentation
+ - API reference and examples
+
+5. **Demo Application** (`examples/designer-demo/`)
+ - Full working example
+ - Vite + React 19 setup
+ - Ready to run with `pnpm dev`
+
+### Technical Architecture
+
+```
+User Interface
+ ↓
+Designer Component
+ ↓
+DesignerContext (State Management)
+ ↓
+├─ Schema State
+├─ Selection State
+├─ CRUD Operations
+└─ Event Handlers
+ ↓
+Sub-Components (Canvas, Palette, Properties, Toolbar)
+```
+
+### Usage
+
+```tsx
+import { Designer } from '@object-ui/designer';
+
+function App() {
+ return