# TODO 13 - Declarative UI System

## Testing

- [x] Add unit tests for declarative-component-renderer.ts ✅ (41 tests, 96% coverage)

## RenderComponent

- [ ] Audit RenderComponent.tsx (221 LOC - exception with recursive pattern)
- [ ] Add support for all component types
- [ ] Implement component prop validation
- [ ] Create component composition patterns
- [ ] Add error handling for invalid component definitions

## Component Registry

- [ ] Create centralized component registry
- [ ] Implement lazy loading for component definitions
- [ ] Add component version management
- [ ] Create component discovery API
- [ ] Implement component aliasing

## JSON Schema

- [ ] Define JSON schema for all component types
- [ ] Add schema validation on component load
- [ ] Create schema migration tools
- [ ] Implement schema versioning
- [ ] Add schema documentation generator

## Form Components

- [ ] Complete form field type definitions
- [ ] Add form layout components
- [ ] Implement form validation rules
- [ ] Create form submission handlers
- [ ] Add form state management

## Layout Components

- [ ] Implement grid layout component
- [ ] Add flex layout component
- [ ] Create responsive breakpoint handling
- [ ] Implement layout composition
- [ ] Add spacing and alignment utilities

## Data Display Components

- [ ] Complete table component definition
- [ ] Add chart component types
- [ ] Implement card component variants
- [ ] Create list component types
- [ ] Add detail view components

## Interactive Components

- [ ] Define modal/dialog components
- [ ] Add dropdown/select components
- [ ] Implement tab component
- [ ] Create accordion component
- [ ] Add tooltip/popover components

## Dynamic Behavior

- [ ] Implement conditional rendering rules
- [ ] Add event handler definitions
- [ ] Create data binding syntax
- [ ] Implement computed properties
- [ ] Add animation definitions

## Performance

- [ ] Implement component memoization
- [ ] Add virtual scrolling support
- [ ] Create lazy loading for heavy components
- [ ] Implement render optimization
- [ ] Add performance profiling tools
