# Reflection System Overview

## Project Summary
The reflection system implements the Dart mirrors API in a cross-platform compatible way. By following the established mirrors API design, we ensure our system provides familiar, comprehensive reflection capabilities while working across all Dart platforms. The implementation follows AI-CDS methodology to ensure high quality, maintainable, and efficient code.

## Core Architecture

### 1. Mirror System
The central entry point following Dart's MirrorSystem design:
```dart
abstract class MirrorSystem {
  Map<Uri, LibraryMirror> get libraries;
  LibraryMirror findLibrary(Symbol libraryName);
  IsolateMirror get isolate;
  TypeMirror get dynamicType;
  TypeMirror get voidType;
  TypeMirror get neverType;
}
```

### 2. Core Mirrors
The fundamental reflection capabilities:
```dart
abstract class Mirror {}

abstract class DeclarationMirror implements Mirror {
  Symbol get simpleName;
  Symbol get qualifiedName;
  DeclarationMirror? get owner;
  bool get isPrivate;
  bool get isTopLevel;
  List<InstanceMirror> get metadata;
}

abstract class ObjectMirror implements Mirror {
  InstanceMirror invoke(Symbol memberName, List positionalArgs, [Map<Symbol, dynamic> namedArgs]);
  InstanceMirror getField(Symbol fieldName);
  InstanceMirror setField(Symbol fieldName, Object? value);
}
```

### 3. Type System
Complete type reflection support:
```dart
abstract class TypeMirror implements DeclarationMirror {
  bool get hasReflectedType;
  Type get reflectedType;
  List<TypeVariableMirror> get typeVariables;
  List<TypeMirror> get typeArguments;
  bool get isOriginalDeclaration;
  TypeMirror get originalDeclaration;
  bool isSubtypeOf(TypeMirror other);
  bool isAssignableTo(TypeMirror other);
}
```

## Implementation Strategy

### Phase-based Approach
1. **Core Mirror System**
   - Mirror system implementation
   - Basic reflection capabilities
   - Type system foundation
   - Symbol handling

2. **Type System**
   - Complete type mirrors
   - Generic support
   - Type relationships
   - Type variables

3. **Library Support**
   - Library mirrors
   - Declaration handling
   - Privacy scope
   - Dependencies

4. **Platform Support**
   - Web optimization
   - Native platform support
   - Performance tuning
   - Memory optimization

### AI Integration
- Interface validation
- Test generation
- Performance optimization
- Code pattern verification

### Quality Assurance
- Comprehensive test coverage
- Performance benchmarking
- Cross-platform validation
- Memory usage optimization

## Cross-Platform Support

### Web Platform
- Tree-shaking compatibility
- Minification support
- Browser optimizations
- Memory efficiency

### Native Platforms
- AOT compilation support
- Platform-specific optimizations
- Resource management
- Performance tuning

## Development Workflow

### Sprint Cycle
1. Interface Implementation
2. Behavior Verification
3. AI-Assisted Testing
4. Performance Optimization
5. Documentation Update

### AI-CDS Integration
1. API compliance verification
2. Test scenario generation
3. Implementation validation
4. Performance analysis

## Success Metrics

### Functional Requirements
- Complete mirrors API implementation
- Cross-platform compatibility
- Full type system support
- Library handling

### Performance Targets
- Fast reflection operations
- Efficient memory usage
- Quick startup time
- Low runtime overhead

### Quality Metrics
- 100% test coverage
- API compliance
- Performance benchmarks
- Memory targets

## Next Steps

### Immediate Actions
1. Implement MirrorSystem
2. Complete core mirrors
3. Add type system support
4. Begin library handling

### Long-term Goals
1. Full API implementation
2. Platform optimizations
3. Performance tuning
4. Documentation completion

## Support and Maintenance

### Ongoing Tasks
- API compliance monitoring
- Performance tracking
- Cross-platform testing
- Documentation updates

### Future Considerations
- New platform support
- Performance improvements
- API enhancements
- Optimization opportunities

This overview provides a comprehensive guide to our reflection system implementation, focusing on following the Dart mirrors API while ensuring cross-platform compatibility and performance.