Added

• Automated Code Review - Implemented GitHub workflows for automated code review and PR assistance
• Developer Documentation - Added comprehensive development guidelines and architecture documentation

Improved

• Payload Storage - Enhanced payload validation and storage logic with better error handling
• Content Type Detection - Improved content type mismatch detection and reporting
• Error Logging - Added detailed logging when payload persistence fails

Fixed

• Duplicate Headers - Fixed duplicate X-Content-Type-Mismatch header in responses
• Payload Preservation - Original content is now preserved even when validation fails
• Empty Body Handling - Improved handling of empty request bodies

Improved

• Framework Upgrade - Upgraded to Symfony 7.3 with improved performance and modern PHP features
• Testing Infrastructure - Enhanced test suite with PHPUnit 12 and native lazy object support
• Web Profiler - Updated debugging and profiling tools for better developer experience

Fixed

• Configuration Cleanup - Removed deprecated configurations for Symfony 7.3 compatibility
• Test Configuration - Modernized PHPUnit configuration with improved test coverage reporting

Added

• Custom HTTP Status Codes - Added comprehensive HTTP status code selection for webhook responses, categorized by type (Success, Redirect, Client Error, Server Error)
• Automated Dependency Updates - Configured Renovate bot for automated dependency management

Improved

• Code Quality - Modernized PHP codebase with improved type hints and code organization
• Test Organization - Enhanced test coverage and organization

Fixed

• Database Layer - Upgraded to Doctrine DBAL v4 with improved query performance
• Template Engine - Updated Twig for better template rendering