# 📋 Changelog - Cidadão.AI

## 🚀 v2.0.0 - Major Project Organization (2024-01-XX)

### ✨ New Features
- **🌍 Bilingual Documentation System** - Complete PT-BR/EN-US documentation with interactive navigation
- **🧠 Stub Implementations** - Functional stub modules for memory, ML, and services layers
- **📊 Interactive Documentation Hub** - Professional documentation site with tab-based navigation
- **🔧 CLI Commands Structure** - Complete CLI command structure with investigate, analyze, report, and watch commands

### 🏗️ Project Organization
- **📁 Consolidated App Versions** - Moved 6 experimental app.py versions to `examples/legacy_apps/`
- **🧪 Test Organization** - Reorganized test scripts into proper `tests/integration/api/` structure
- **📚 Documentation Structure** - Created comprehensive `docs/` directory with bilingual support
- **🗂️ Clean Architecture** - Removed empty placeholder directories and implemented functional stubs

### 📖 Documentation Improvements
- **📄 Bilingual README** - Complete Portuguese/English README with anchor navigation
- **🌐 Interactive Docs** - HTML documentation system with responsive design
- **🔗 Cross-References** - Proper linking between different documentation sections
- **📋 API Documentation** - Comprehensive API documentation in both languages

### 🛠️ Technical Improvements
- **🧩 Module Structure** - Implemented stub classes for all major system components
- **🔍 Memory System** - Base implementation for episodic, semantic, and conversational memory
- **🤖 ML Framework** - Anomaly detection and pattern analysis stub implementations
- **⚙️ Services Layer** - Data service, analysis service, and notification service stubs

### 🧹 Code Cleanup
- **🗑️ Removed Redundant Files** - Cleaned up duplicate WebSocket implementations
- **📦 Legacy Organization** - Properly archived old versions with clear documentation
- **🔧 Import Structure** - Fixed module imports and dependencies
- **📝 Code Documentation** - Added comprehensive docstrings and type hints

### 🎯 Ready for Production
- **✅ API Complete** - Full REST API with multi-agent system
- **✅ Backend Implemented** - Python 3.11+, FastAPI, LangChain integration
- **✅ AI/ML Operational** - Multiple LLM providers with anomaly detection
- **🔄 Frontend In Progress** - Interactive web interface under development

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## 📋 Previous Versions

### v1.x.x - Initial Implementation
- Basic chat interface and investigation tools
- Portal da Transparência API integration
- Multi-agent system foundation
- FastAPI backend development

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## 🔮 Upcoming Features

### v2.1.0 - Database Integration
- PostgreSQL and Redis integration
- Persistent storage for investigations
- User management system
- Real-time data synchronization

### v2.2.0 - Advanced Frontend
- React-based interactive interface
- Real-time dashboard
- Advanced visualization tools
- Mobile-responsive design

### v3.0.0 - Production Scale
- Kubernetes deployment
- Advanced monitoring and observability
- Performance optimizations
- Enterprise security features