- Added support for nested @@ context anchors and hierarchical context matching.
- Enhanced patch parser to handle @@ line N syntax and multiple context accumulation.
- Improved diff rendering and error messages with hierarchical context display.
- Added comprehensive regression tests for model-generated patch formats.
- Refactored edit tool implementation with modular patch architecture.
- Moved edit tool implementation from edit/ to patch/ module.
- Updated import paths for EditToolDetails across core modules.
- Enhanced patch parsing with unified diff and Codex-style patch support.
- Improved fuzzy matching algorithms for more robust text location.
can1357