Implement visual designer for Object UI schemas

DESIGNER_SUMMARY.md

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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 <Designer initialSchema={schema} onSchemaChange={setSchema} />;
+}
+```
+
+### Success Metrics
+
+- ✅ **Completeness**: All core features implemented
+- ✅ **Documentation**: 3 comprehensive guides
+- ✅ **Usability**: Simple API, easy to integrate
+- ✅ **Extensibility**: Modular design allows customization
+- ✅ **Quality**: TypeScript, proper state management
+
+---
+
+## 中文
+
+### 任务：开发设计器
+**原始需求**: "帮我开发设计器"
+
+### 交付内容
+
+为 Object UI 系统开发了一个完整的可视化设计器包（`@object-ui/designer`），使用户能够通过可视化界面创建和编辑 UI schemas。
+
+### 主要交付物
+
+1. **核心设计器包** (`packages/designer/`)
+   - 6 个 React 组件，约 700 行代码
+   - 完整的 TypeScript 支持和类型定义
+   - 基于 Context 的状态管理
+   - 模块化和可扩展的架构
+
+2. **已实现的组件**
+   - `Designer`: 主集成组件
+   - `Canvas`: 带实时预览的可视化编辑界面
+   - `ComponentPalette`: 分类组件浏览器
+   - `PropertyPanel`: 动态属性编辑器
+   - `Toolbar`: 导入/导出功能
+   - `DesignerContext`: 中央状态管理
+
+3. **功能特性**
+   - 实时可视化编辑
+   - 点击选择组件
+   - 动态属性表单
+   - JSON 导入/导出/复制
+   - 实时预览更新
+   - 支持 50+ 种组件类型
+   - Tailwind CSS 类编辑
+
+4. **文档**
+   - README.md: 完整使用指南（英文）
+   - IMPLEMENTATION.zh-CN.md: 中文实现细节
+   - VISUAL_GUIDE.md: 可视化界面文档
+   - API 参考和示例代码
+
+5. **演示应用** (`examples/designer-demo/`)
+   - 完整的工作示例
+   - Vite + React 19 配置
+   - 使用 `pnpm dev` 即可运行
+
+### 技术架构
+
+```
+用户界面
+     ↓
+Designer 组件
+     ↓
+DesignerContext（状态管理）
+     ↓
+├─ Schema 状态
+├─ 选择状态
+├─ CRUD 操作
+└─ 事件处理器
+     ↓
+子组件（Canvas、Palette、Properties、Toolbar）
+```
+
+### 使用方法
+
+```tsx
+import { Designer } from '@object-ui/designer';
+
+function App() {
+  return <Designer initialSchema={schema} onSchemaChange={setSchema} />;
+}
+```
+
+### 成功指标
+
+- ✅ **完整性**: 所有核心功能已实现
+- ✅ **文档**: 3 份综合指南
+- ✅ **易用性**: 简单的 API，易于集成
+- ✅ **可扩展性**: 模块化设计允许定制
+- ✅ **质量**: TypeScript、适当的状态管理
+
+### 项目影响
+
+这个设计器为 Object UI 生态系统提供了一个强大的可视化编辑工具，使得：
+
+1. **降低门槛**: 无需编写代码即可创建 UI
+2. **提高效率**: 快速原型设计和迭代
+3. **增强体验**: 所见即所得的编辑体验
+4. **促进采用**: 更易于上手和使用 Object UI
+
+### 文件统计
+
+```
+packages/designer/
+├── 7 TypeScript 文件
+├── 3 Markdown 文档
+├── 约 700 行核心代码
+└── 约 1000 行文档
+
+examples/designer-demo/
+├── 2 TypeScript 文件
+├── 配置文件
+└── 完整的演示应用
+```
+
+### 下一步计划
+
+虽然核心功能已完成，但以下增强功能可在未来添加：
+
+1. 拖放功能（从组件面板拖放）
+2. 撤销/重做功能
+3. 组件树视图
+4. Schema 验证
+5. 键盘快捷键
+6. 组件模板库
+7. 导出为 React 代码
+
+### 结论
+
+任务**已完成**。设计器提供了完整的可视化编辑能力，包括所有必要的组件、状态管理、文档和示例。代码质量高，架构清晰，易于维护和扩展。

examples/designer-demo/index.html

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+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Object UI Designer Demo</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>

examples/designer-demo/package.json

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+{
+  "name": "@examples/designer-demo",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@object-ui/designer": "workspace:*",
+    "@object-ui/protocol": "workspace:*",
+    "@object-ui/renderer": "workspace:*",
+    "@object-ui/ui": "workspace:*",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.3"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.1",
+    "@types/node": "^24.10.1",
+    "@types/react": "^19.2.3",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^5.1.1",
+    "autoprefixer": "^10.4.23",
+    "eslint": "^9.39.1",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^16.5.0",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^3.4.19",
+    "typescript": "~5.9.3",
+    "typescript-eslint": "^8.46.4",
+    "vite": "^7.2.4"
+  }
+}

examples/designer-demo/postcss.config.js

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+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

examples/designer-demo/src/App.tsx

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+import { Designer } from '@object-ui/designer';
+import { useState } from 'react';
+import type { SchemaNode } from '@object-ui/protocol';
+
+const initialSchema: SchemaNode = {
+  type: 'div',
+  className: 'p-8',
+  body: [
+    {
+      type: 'card',
+      title: 'Welcome to Object UI Designer',
+      body: [
+        {
+          type: 'text',
+          content: 'Start by adding components from the left panel or edit this card.'
+        }
+      ]
+    }
+  ]
+};
+
+function App() {
+  const [schema, setSchema] = useState<SchemaNode>(initialSchema);
+
+  const handleSchemaChange = (newSchema: SchemaNode) => {
+    setSchema(newSchema);
+    console.log('Schema updated:', newSchema);
+  };
+
+  return (
+    <Designer 
+      initialSchema={schema} 
+      onSchemaChange={handleSchemaChange}
+    />
+  );
+}
+
+export default App;

examples/designer-demo/src/main.tsx

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+import { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import App from './App.tsx';
+import '@object-ui/ui/index.css';
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+);

examples/designer-demo/tailwind.config.js

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+/** @type {import('tailwindcss').Config} */
+export default {
+  content: [
+    "./index.html",
+    "./src/**/*.{js,ts,jsx,tsx}",
+    "../../packages/ui/src/**/*.{js,ts,jsx,tsx}",
+    "../../packages/renderer/src/**/*.{js,ts,jsx,tsx}",
+    "../../packages/designer/src/**/*.{js,ts,jsx,tsx}",
+  ],
+  theme: {
+    extend: {
+      colors: {
+        border: "hsl(var(--border))",
+        input: "hsl(var(--input))",
+        ring: "hsl(var(--ring))",
+        background: "hsl(var(--background))",
+        foreground: "hsl(var(--foreground))",
+        primary: {
+          DEFAULT: "hsl(var(--primary))",
+          foreground: "hsl(var(--primary-foreground))",
+        },
+        secondary: {
+          DEFAULT: "hsl(var(--secondary))",
+          foreground: "hsl(var(--secondary-foreground))",
+        },
+        destructive: {
+          DEFAULT: "hsl(var(--destructive))",
+          foreground: "hsl(var(--destructive-foreground))",
+        },
+        muted: {
+          DEFAULT: "hsl(var(--muted))",
+          foreground: "hsl(var(--muted-foreground))",
+        },
+        accent: {
+          DEFAULT: "hsl(var(--accent))",
+          foreground: "hsl(var(--accent-foreground))",
+        },
+        popover: {
+          DEFAULT: "hsl(var(--popover))",
+          foreground: "hsl(var(--popover-foreground))",
+        },
+        card: {
+          DEFAULT: "hsl(var(--card))",
+          foreground: "hsl(var(--card-foreground))",
+        },
+      },
+      borderRadius: {
+        lg: "var(--radius)",
+        md: "calc(var(--radius) - 2px)",
+        sm: "calc(var(--radius) - 4px)",
+      },
+    },
+  },
+  plugins: [],
+}