Implement question counter in BasicAgent and modify response logic in app.py. Update main function in main.py to streamline task execution and improve logging. Prepare for potential rate limiting with a placeholder for wait time.

Add .env.example for API configuration and update .gitignore to exclude .env files. Refactor app.py to implement BasicAgent class, replacing AgentRunner, and improve error handling and logging. Remove unused configuration and graph modules to streamline the codebase.