# 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/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

### Added
- Initial project structure with domain-based organization
- OpenAI-compatible `/v1/chat/completions` endpoint with streaming support
- OpenAI-compatible `/v1/models` endpoint
- Health check and root endpoints
- Comprehensive test suite with 62% coverage
- Security-focused dependency management with CVE checking
- FastAPI best practices implementation
- SSE streaming with 20-second timeout protection
- Custom Pydantic base models for consistent serialization
- Application factory pattern for testability
- Async Ollama client (ready for integration)
- Complete documentation (README, AGENTS.md)

### Security
- Minor version locking for all dependencies
- All packages CVE-checked (as of 2025-12-06)
- Environment variable protection via .gitignore
- No known vulnerabilities in dependency tree

## [0.1.0] - 2025-12-06

### Added
- Project initialization
- Python 3.12.11 environment
- FastAPI 0.123.9 web framework
- PydanticAI 1.27.0 dependency (ready for future integration)
- Mock chat completions (lorem ipsum responses)
- Mock model listing (mistral-nemo:latest)
- Testing infrastructure (pytest, coverage, ruff, mypy)
- Configuration management with pydantic-settings
- CORS middleware
- Exception handlers (OpenAI-compatible error format)

[Unreleased]: https://github.com/yourusername/tatlock/compare/v0.1.0...HEAD
[0.1.0]: https://github.com/yourusername/tatlock/releases/tag/v0.1.0