Enhanced debug functionality with comprehensive logging

- Added --debug switch that creates timestamped directory
- Saves all prompts sent to chatbots in prompts.log
- Saves debug execution logs in debug.log
- Captures HTML content of chatbot page when response is detected
- Directory structure: debug_[unix_epoch]/
  - prompts.log: All prompts sent to chatbots
  - debug.log: Detailed execution logs
  - response_[id]_[timestamp].html: HTML snapshots
- Improved response detection to correctly identify actual responses vs setup acknowledgments
- Enhanced JavaScript detection logic with better filtering