# 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]

## [0.0.2] - 2026-01-22

### Added

- Object-oriented client library (`LicenseClient`, `LicenseClientInterface`)
- DTO classes for API responses (`LicenseInfo`, `LicenseStatus`, `ActivationResult`)
- `LicenseState` enum for license status values
- Comprehensive exception hierarchy for error handling
- PSR-3 logging support (optional)
- PSR-6 caching support (optional)
- PSR dependencies (`psr/log`, `psr/cache`, `psr/http-client`)
- PHPUnit test suite with 32 tests covering DTOs, exceptions, and client
- `SecureLicenseClient` with response signature verification (HMAC-SHA256)
- `ResponseSignature` class for signing and verifying API responses
- `StringEncoder` for basic string obfuscation in source code
- `IntegrityChecker` for verifying source file integrity
- `SignatureException` and `IntegrityException` for security errors
- Server implementation documentation (`docs/server-implementation.md`)
- Security test suite (34 additional tests)

### Changed

- Updated README with usage examples

## [0.0.1] - 2026-01-22

### Added

- Initial composer project setup
- Package configuration with PSR-4 autoloading
- Symfony HttpClient dependency (^7.0)
- Project documentation (README.md, CHANGELOG.md)
- OpenAPI specification reference in tmp/openapi.json