backend/CHANGELOG.md

# Changelog

All notable changes to the Universal Deep Research Backend (UDR-B) 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] - 2025-07-15

### Added

- Initial release of Universal Deep Research Backend (UDR-B)
- FastAPI-based REST API with streaming responses
- Intelligent research capabilities using LLMs and web search
- Multi-model support through compatible APIs (OpenAI, NVIDIA, local vLLM)
- Tavily API integration for web search functionality
- Session management with persistent research sessions
- Advanced FrameV4 reasoning framework
- Dry run mode for testing with mock data
- Comprehensive configuration system with environment variables
- Real-time progress updates via Server-Sent Events
- CORS support for frontend integration
- Logging and tracing capabilities
- Mock data for development and testing

### Technical Features

- `/api/research` endpoint for comprehensive research workflow
- `/api/research2` endpoint for advanced FrameV4-based research
- Modular architecture with configurable components
- Support for multiple LLM providers and models
- Environment-based configuration management
- Setup script for easy deployment
- Comprehensive error handling and validation

### Documentation

- Complete README with setup and usage instructions
- API endpoint documentation
- Configuration guide
- Troubleshooting section
- Disclaimer for research/demonstration use

### Research/Demonstration Focus

- Prototype implementation for AI research concepts
- Experimental features for academic research
- Not intended for production use
- Comprehensive legal disclaimer included

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## Version History

- **1.0.0**: Initial research prototype release