CLI tools for fast iteration without browser:
- validate-geometry.ts: JSON schema validation
- geometry-stats.ts: Metrics and warnings (breeze block detection)
- complexity-score.ts: Visual interest scoring with breakdown
- ascii-preview.ts: Terminal-based top-down/front view
- validate-assembly.sh: Batch validate all parts
Updated 3D_GEOMETRY_AUTHORING_GUIDE.md with headless workflow section.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
