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# MCP Burst React Application - Development Guide ## 🎉 Conversion Complete! Your vanilla JavaScript demo app has been successfully converted into a **professional React + TypeScript + Vite application** with modern architecture and best practices. ## ✨ What's New ### 🏗️ **Professional Architecture** - **Component-based structure** with clear separation of concerns - **TypeScript** for type safety and better developer experience - **Custom hooks** for reusable logic - **Context API + useReducer** for state management - **Modular CSS** with the original dark theme preserved ### 🔧 **Modern Development Stack** - **React 19** with latest features - **TypeScript** for type safety - **Vite** for fast development and building - **ESLint** for code quality - **Hot Module Replacement** for instant updates ### 🎯 **Key Features Preserved** - ✅ Real-time chat interface - ✅ WebSocket communication for live updates - ✅ Step-by-step execution visualization - ✅ Debug resource inspection - ✅ Connection status indicators - ✅ Responsive design - ✅ Dark theme aesthetic ## 🚀 Quick Start ```bash # Install dependencies (if not already done) cd frontend && npm install # Start development server npm run dev # Or run frontend only npm run start:frontend # Build for production npm run build ``` ## 📁 Project Structure ``` frontend/ ├── src/ │ ├── components/ # React components │ │ ├── chat/ # Chat functionality │ │ ├── steps/ # Step execution │ │ ├── resources/ # Resource debugging │ │ └── ui/ # Reusable UI components │ ├── contexts/ # State management │ ├── hooks/ # Custom React hooks │ ├── types/ # TypeScript definitions │ ├── utils/ # Utility functions │ └── App.tsx # Main application ├── package.json ├── vite.config.ts # Vite configuration └── tsconfig.json # TypeScript configuration ``` ## 🎨 Component Architecture ### State Management Flow ``` AppContext (Global State) ↓ Dashboard (Layout) ├── Header (Status + Controls) ├── ChatPanel (Messages + Form) ├── ResourcesPanel (Debug Info) └── StepsPanel (Execution Steps) ``` ### Key Components - **`AppContext`**: Centralized state with WebSocket integration - **`Dashboard`**: Main layout orchestrator - **`ChatPanel`**: Message display and input form - **`StepsPanel`**: Real-time step execution visualization - **`ResourcesPanel`**: Debug information display - **`UI Components`**: Reusable buttons, panels, indicators ## 🔌 API Integration ### WebSocket Events Handled - `workflow_start` → Initialize workflow - `step_start` → Add new step - `step_complete` → Update step status - `workflow_complete` → Show completion - `debug_info_updated` → Update resources ### REST API - `POST /api/chat` → Send chat messages - Automatic proxy configuration for development ## 🛠️ Development Features ### Custom Hooks - `useAutoScroll` → Auto-scroll chat/steps - `useAutoFocus` → Focus input elements - `useEscapeKey` → Handle escape key events ### TypeScript Types - Full type safety for all data structures - WebSocket message types - Component props interfaces - State management types ### Utilities - JSON formatting with syntax highlighting - ID generation for messages/steps - CSS class name utilities - Step result formatting ## 🎯 Next Steps 1. **Run the application**: `npm run dev` 2. **Explore the code**: Check out the modular component structure 3. **Customize**: Modify components and styles as needed 4. **Extend**: Add new features using the established patterns ## 🔄 Migration Benefits | Before (Vanilla JS) | After (React + TS) | |-------------------|-------------------| | Global state management | Context API + useReducer | | Manual DOM manipulation | Declarative React components | | No type safety | Full TypeScript support | | Single file architecture | Modular component structure | | Basic error handling | Professional error boundaries | | Manual event listeners | React event handling | ## 📝 Development Tips - **Hot Reload**: Changes are reflected immediately - **TypeScript**: Catch errors at development time - **Component Inspector**: Use React DevTools - **State Debugging**: Context state is easily inspectable - **Performance**: React optimizations built-in --- **🎉 Your professional React application is ready to use!** The conversion maintains 100% feature parity while adding modern development practices, type safety, and maintainable architecture.