- Add build result handling with execution status tracking
- Implement pipeline_exe_handle for error handling in pipeline execution
- Update application.dart with proper build result processing
- Add test coverage for application, context, and core functionality
- Add step events archive for core event contract and execution result output
- Split BuildIOS command into build_ios_archive and build_ios_build
- Split Git command into git_branch, git_remote, git_revision, git_stash
- Add cli_style.dart and printer.dart for consistent CLI output
- Add macos_signing.dart for macOS/iOS code signing
- Refactor pipeline system (pipeline, pipeline_condition, pipeline_contain, etc.)
- Update tag_system, defined_data, pipeline_data
- Update application and command files for new structure
- Add tests for new command catalog and core functionality
- Update README with new features
