Add change log

CHANGELOG.md

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+# 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]
+
+## [0.10.0] - 2025-09-10
+
+### Added
+- AI-powered release notes generation using Claude Code CLI
+- Configuration option to enable/disable AI release functionality
+- Comprehensive test suite reorganization and base classes for shared folder management
+- New `nnex config set-ai-release-enabled` and `nnex config show-ai-release-enabled` commands
+- Changelog guidelines documentation for consistent release notes
+
+### Changed  
+- Test infrastructure improved to use `xcodebuild` instead of `swift test` for SwiftData compatibility
+- Publish workflow now includes optional AI-generated release notes as fourth option
+- Test suite architecture consolidated with shared patterns and utilities
+- Enhanced mock shell command mapping for better test reliability
+
+### Fixed
+- Flaky tests related to temporary folder cleanup in publish tests
+- Formula path update restored in PublishInfoLoader for proper Homebrew integration
+- Test environment issues with proper mock factory parameter passing
+
+### Security
+- Removed unused AI changelog generator functionality to reduce attack surface
+
+## [0.9.1] - 2025-09-02
+
+### Fixed
+- Test hang bug with comprehensive error handling improvements in ProjectBuilder
+
+## [0.9.0] - 2025-08-26
+
+### Added
+- Binary archiving with tar.gz compression for releases
+- Binary stripping functionality to reduce executable size
+- Comprehensive execution manager architecture for build, publish, and create-tap operations
+- Executable name resolution service for automatic binary naming
+- Binary copy utilities with desktop and custom output location support
+- Enhanced SwiftData test isolation with unique stores per test
+
+### Changed
+- Major folder reorganization with improved separation between Commands, Core, Domain, and Infrastructure layers
+- Build command moved from `BuildExecutable/` to `BuildCommand/` folder structure
+- All helper classes reorganized into appropriate domain layers (Handlers, Services, Utilities)
+- Consistent manager pattern implementation across all major commands
+- Enhanced test architecture with better mock factory support
+
+### Fixed
+- Binary uploading to ensure consistent SHA256 between formula and GitHub releases
+- GitHub release creation workflow with proper tar.gz asset handling
+- Test suite reliability with improved SwiftData context management
+- CreateTap command functionality and associated test coverage
+
+### Security  
+- Binary stripping removes debug symbols reducing attack surface