- Implement mutually exclusive --log-dir (training wheels) and --paths (production) modes
- Add JSON config file support for specifying log paths
- Paths config includes validation (all files must exist)
- Maintain backward compatibility with individual log overrides
- Update README with comprehensive usage examples
- Add PRODUCTION_SETUP.md for deployment guidance
- Add MODE_COMPARISON.md for mode selection guidance
- Create .gitignore to exclude generated files
- All 6 unit tests passing

Features:
- Two operational modes for different deployment scenarios
- JSON-based configuration for production flexibility
- Auto-generated HTML filenames based on analysis type
- Phone number search across all modes