- Renamed test class to `TestExtendedPatchMoreLines` in `test_extend_patch.py`
- Imported `pr_generate_extended_diff` in `test_extend_patch.py`
- Updated `patch_extra_lines_before` to 4 in `additional_configurations.md`
- Added unit tests in `test_extend_patch.py` and `test_pr_generate_extended_diff.py` to verify patch extension functionality with extra lines.
- Updated `pr_processing.py` to include `patch_extra_lines_before` and `patch_extra_lines_after` settings.
- Modified `configuration.toml` to adjust `patch_extra_lines_before` to 4 and `max_context_tokens` to 16000.
- Enabled extra lines in `pr_code_suggestions.py`.
- Added new model `claude-3-5-sonnet` to `__init__.py`.