feat: Manufacturing-grade door geometry + photorealistic materials
🏗️ Architecture (@Logic-Architect):
- Created lib/door-models.ts with exact manufacturing specs
- PROFILE_WIDTH = 40mm, PROFILE_DEPTH = 40mm (real steel tubes)
- GLASS_OFFSET = 18mm for proper centering
- Physical parts system (stiles, rails, dividers, glass)
- generateDoorAssembly() returns manufacturable parts list
- Validation for structural integrity limits
🎨 Visuals (@3D-Visual-Lead):
- Aluwdoors texture loading with vertical steel grain
- MeshStandardMaterial: roughness 0.6, metalness 0.7
- Photorealistic glass: transmission 0.98, IOR 1.5
- RoundedBox with 2mm radius for all profiles
- Suspense boundaries for progressive texture loading
- Studio environment preset + enhanced contact shadows
🔧 Technical:
- UseMemo for door assembly generation
- mmToMeters() conversion utility
- PhysicalPartComponent renderer
- Backward compatibility with glass patterns
- Fallback materials when textures fail
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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