UI Affordance Framework - Implementation Summary

The UI Affordance Registration Framework has been successfully implemented with full support for dynamic component loading from any source (MCP files, local files, etc.).

• Central registry for all UI affordances
• Handles component lifecycle (register, mount, unmount)
• Supports loading from MCP sources (like js_exec tool)
• Fallback to local files when MCP unavailable
• Comprehensive error handling and validation

• OverlayContainer - Modal/popup overlays with backdrop
• SidebarContainer - Collapsible side panels with toggle buttons
• HeaderContainer - Fixed header extensions with priority ordering
• FooterContainer - Footer extensions alongside existing controls
• InlineContainer - Chat-embedded components

• register_affordance - Register components from any source
• call_affordance_method - Invoke component methods safely
• unregister_affordance - Remove components cleanly
• list_affordances - List all active affordances

• Primary: MCP file sources using files-get tool
• Fallback: Local project files
• Pattern: Follows same approach as js_exec tool

interface AffordanceComponent {
  mount(container: HTMLElement, config: AffordanceConfig): Promise<void>;
  unmount(): Promise<void>;
  getPublicMethods(): Record<string, Function>;
  [customMethod: string]: any;
}

• Overlay: Modal dialogs, forms, image viewers
• Sidebar: Tool palettes, dashboards, navigation
• Header: Status indicators, breadcrumbs, quick actions
• Footer: Progress bars, status info, quick stats
• Inline: Widgets, charts, interactive content

const id = await register_affordance('overlay', 'test-component.js', {
  title: 'Test Widget'
});
await call_affordance_method(id, 'ping', []); // Returns "pong!"

const id = await register_affordance('sidebar', 'counter.js', {
  title: 'Counter', position: 'right', initialValue: 10
});
await call_affordance_method(id, 'increment', [5]); // Increment by 5

const id = await register_affordance('sidebar', 'dashboard.js', {
  title: 'System Status', width: '350px'
});
await call_affordance_method(id, 'addItem', [{
  id: 'cpu', label: 'CPU Usage', value: '45%', status: 'success'
}]);

const id = await register_affordance('overlay', 'notifications.js', {
  position: 'top', maxNotifications: 10
});
await call_affordance_method(id, 'addNotification', [{
  title: 'Success', message: 'Task completed!', type: 'success'
}]);

// 1. Create component using MCP tools
await files_create('components/my-widget.js', componentCode);

// 2. Register the component
const id = await register_affordance('sidebar', 'components/my-widget.js', {
  title: 'My Widget', position: 'right'
});

// 3. Interact with component
const methods = await call_affordance_method(id, 'getPublicMethods', []);
await call_affordance_method(id, 'updateData', [newData]);

const id = await register_affordance('overlay', 
  '/frontend/components/affordances/TestAffordance.tsx', 
  { title: 'Local Test' }
);

• File source validation (MCP → local fallback)
• Module import validation with helpful error messages
• Component interface validation
• Runtime error catching and reporting

• "Failed to import module" → Syntax error guidance
• "No component found" → Export structure guidance
• "Component must implement X method" → Interface requirement guidance

• AFFORDANCE-FRAMEWORK.md - Complete framework overview
• AFFORDANCE-COMPONENT-GUIDE.md - Component development guide

• Clear guidance on file requirements
• Examples of MCP vs local file usage
• Container type explanations
• Configuration options documentation

• Client Tools: New affordance tools added to existing system
• Styling: Uses existing CSS custom properties and design tokens
• Layout: Containers respect existing layout without interference
• Performance: Lazy loading and efficient lifecycle management

• Follows same pattern as js_exec tool
• Uses files-get for MCP file loading
• Graceful fallback to local files
• Consistent error handling approach

The framework is now fully operational and ready for the assistant to use. Key capabilities:

1. Dynamic Component Registration - Load any JavaScript/TypeScript component from MCP or local sources
2. Multiple Container Types - Choose the right UI container for each use case
3. Safe Method Invocation - Call component methods with error handling
4. Lifecycle Management - Proper mounting, unmounting, and cleanup
5. Comprehensive Documentation - Clear guides for component development

✅ Flexible Source Loading - Components can be loaded from any source
✅ Standardized Interface - Consistent component interface
✅ Multiple Container Types - Overlay, sidebar, header, footer, inline
✅ Method Invocation - Safe method calls with error handling
✅ Error Handling - Comprehensive validation and helpful messages
✅ Documentation - Complete guides and examples
✅ Integration - Seamless integration with existing system

The UI Affordance Framework is now ready for production use! 🎊