company-desktop-computer
4fc910d6fd
fix: 曲线通道重建截面时防崩溃
RegionFromCurvesDwgInFields 里两处：
- isRegionNull(pRegion) && isRegionNull(pRegionBig) 改为 ||，原写法要求
两个都无效才跳过，实际 pRegionBig 此时必非空，条件恒假，无效 region
照样进布尔运算
- booleanOper 改走已有的 rawBooleanOperWrapper，ACIS 内部异常时由 SEH
捕获，不再直接崩 CAD
顺带 delete pRegion：arRegPtrs 不拥有对象，原来 subtract 完没有释放。
曲线通道只读，spline 参数在写端从未落盘，几何缺失无法靠读端修复，
本次只处理崩溃路径，重建逻辑与启发式保持原样。
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