fix: remove remaining /* ... */ inside doxygen blocks

include/vde/brep/modeling.h

@@ -20,7 +20,7 @@
  * @code{.cpp}
  * auto body = make_box(10, 5, 3);
  * // 或者更复杂的构建:
- * auto profile = /* NURBS 曲线 */;
+ * auto profile = NURBS 曲线;
  * auto swept = extrude(profile, Vector3D(0, 0, 10));
  * auto rounded = fillet(swept, 0, 2.0);
  * @endcode
@@ -78,7 +78,7 @@ using core::AABB3D;
  *
  * @code{.cpp}
  * // 绕 Y 轴旋转半圆，生成球体的一半
- * NurbsCurve semicircle = /* 在 XZ 平面中的半圆弧 */;
+ * NurbsCurve semicircle = 在 XZ 平面中的半圆弧;
  * auto half_sphere = revolve(semicircle, Point3D(0,0,0),
  *     Vector3D(0,1,0), M_PI);
  * @endcode

include/vde/core/convex_hull.h

@@ -41,7 +41,7 @@ std::vector<Point2D> convex_hull_2d(const std::vector<Point2D>& points);
  * @note 共面/退化点被自动丢弃
  *
  * @code{.cpp}
- * std::vector<Point3D> pts = /* 3D 点云 */;
+ * std::vector<Point3D> pts = 3D 点云;
  * auto hull_tris = convex_hull_3d(pts);
  * for (auto& tri : hull_tris) {
  *     // tri = {p0, p1, p2} — CCW when viewed from outside

include/vde/core/polygon.h

@@ -131,7 +131,7 @@ public:
      * @note 时间复杂度 O(n²)，适用于顶点数 < 1000 的多边形
      *
      * @code{.cpp}
-     * Polygon2D poly(/* CCW vertices */);
+     * Polygon2D poly(CCW vertices);
      * auto tris = poly.triangulate();
      * for (auto& t : tris) {
      *     // 顶点: poly.vertices()[t[0]], t[1], t[2]

include/vde/sdf/sdf_optimize.h

@@ -87,7 +87,7 @@ using LossFn = std::function<double(const std::function<double(const Point3D&)>&
  * @note initial 的共享子节点不会被复制——返回的 optimize_shape 共享未修改的子树。
  *
  * @code{.cpp}
- * std::vector<Point3D> points = { /* point cloud data */ };
+ * std::vector<Point3D> points = { point cloud data };
  * auto sphere = SdfNode::sphere(1.0);
  * auto result = fit_to_point_cloud(sphere, points, 0.01, 200);
  * // result.optimized_shape 的 params.radius 已被优化