Added NEXT_STEPS.md with detailed testing plan covering:
- Dependency installation
- Test configuration setup
- Small/medium/full batch testing strategy
- Excel library integration implementation
- Field extraction tuning
- Unit and integration test creation
- Success criteria and known issues
Ready for Phase 6 testing in next session.
Related: #763🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Kevin Reuben Lee