- Implemented async retry logic with exponential backoff in `src/utils/retry.py`.
- Created input validation utilities for Discord bot in `src/utils/validators.py`.
- Refactored token pricing import in `src/utils/token_counter.py`.
- Added comprehensive test suite in `tests/test_comprehensive.py` covering various modules including pricing, validators, retry logic, and Discord utilities.
- Removed the `analyze_data_file` function from tool definitions to streamline functionality.
- Enhanced the `execute_python_code` function description to clarify auto-installation of packages and file handling.
- Deleted the `python_executor.py` module to simplify the codebase and improve maintainability.
- Introduced a new `token_counter.py` module for efficient token counting for OpenAI API requests, including support for Discord image links and cost estimation.
