Remove obsolete test scripts for follow-up behavior, detection fix, history filtering, hybrid context, Kendrick follow-up, simple extraction, and state management - Deleted multiple test files to streamline the codebase and eliminate unused tests. This cleanup supports ongoing refactoring efforts and enhances overall project maintainability.

Remove obsolete test files and refactor agent imports - Deleted unused test files for `test_fix.py` and `test_smart_context.py`. Updated agent imports in `__init__.py` and other files to streamline the codebase and improve maintainability. This cleanup supports ongoing refactoring efforts and enhances the overall structure of the project.