Adds tests/debug_lateral_discrepancy.py to investigate differences between
Zernike OPD lateral displacement reporting and Simcenter post-processing.
Key findings documented:
- OPD reports sqrt(dx² + dy²) - combined XY magnitude
- Simcenter shows individual components (dx or dy)
- Both are correct, OPD magnitude is more meaningful for optics
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Anto01
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