# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [1.0.0] - 2025-01-XX

### Added
- **AI Translation Engine**: Integration with IndicTrans2 for neural machine translation
  - Support for 15+ Indian languages plus English
  - High-quality bidirectional translation (English ↔ Indian languages)
  - Real-time translation with confidence scoring
  
- **FastAPI Backend**: Production-ready REST API
  - Async translation endpoints for single and batch processing
  - SQLite database for translation history and corrections
  - Health check and monitoring endpoints
  - Comprehensive error handling and logging
  - CORS configuration for frontend integration
  
- **Streamlit Frontend**: Interactive web interface
  - Product catalog translation workflow
  - Multi-language form support with validation
  - Translation history and analytics dashboard
  - User correction submission system
  - Responsive design with professional UI
  
- **Multiple Deployment Options**:
  - Local development setup with scripts
  - Docker containerization with docker-compose
  - Streamlit Cloud deployment configuration
  - Cloud platform deployment guides
  
- **Development Infrastructure**:
  - Comprehensive documentation suite
  - Automated setup scripts for Windows and Unix
  - Environment configuration templates
  - Testing utilities and API validation
  
- **Language Support**:
  - **English** (en)
  - **Hindi** (hi)
  - **Bengali** (bn)
  - **Gujarati** (gu)
  - **Marathi** (mr)
  - **Tamil** (ta)
  - **Telugu** (te)
  - **Malayalam** (ml)
  - **Kannada** (kn)
  - **Odia** (or)
  - **Punjabi** (pa)
  - **Assamese** (as)
  - **Urdu** (ur)
  - **Nepali** (ne)
  - **Sanskrit** (sa)
  - **Sindhi** (sd)

### Technical Features
- **AI Model Integration**: IndicTrans2-1B models for accurate translation
- **Database Management**: SQLite with proper schema and migrations
- **API Design**: RESTful endpoints with OpenAPI documentation
- **Error Handling**: Comprehensive error management with user-friendly messages
- **Performance**: Async operations and efficient batch processing
- **Security**: Input validation, sanitization, and CORS configuration
- **Monitoring**: Health checks and detailed logging
- **Scalability**: Containerized deployment ready for cloud scaling

### Documentation
- **README.md**: Complete project overview and setup guide
- **DEPLOYMENT_GUIDE.md**: Comprehensive deployment instructions
- **CLOUD_DEPLOYMENT.md**: Cloud platform deployment guide
- **QUICKSTART.md**: Quick setup for immediate usage
- **API Documentation**: Interactive Swagger/OpenAPI docs
- **Contributing Guidelines**: Development and contribution workflow

### Development Tools
- **Docker Support**: Multi-container setup with nginx load balancing
- **Environment Management**: Separate configs for development/production
- **Testing**: API testing utilities and validation scripts
- **Scripts**: Automated setup, deployment, and management scripts
- **CI/CD Ready**: Configuration for continuous integration

## [Unreleased]

### Planned Features
- User authentication and multi-tenant support
- Translation quality metrics and A/B testing
- Integration with external e-commerce platforms
- Advanced analytics and reporting dashboard
- Mobile app development
- Enterprise deployment options
- Additional language model support
- Translation confidence tuning
- Bulk file upload and processing
- API rate limiting and quotas

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**Note**: This is the initial release of the Multi-Lingual Product Catalog Translator. All features represent new functionality built from the ground up with modern software engineering practices.