fix: replace /* ... */ with // ... in doxygen code blocks to prevent premature comment termination

include/vde/foundation/io_gltf.h

@@ -43,7 +43,7 @@ struct GltfOptions {
  * @note 生成的 glTF 符合 2.0 规范，兼容 Blender、three.js、Unreal Engine 等工具
  *
  * @code{.cpp}
- * mesh::HalfedgeMesh mesh = /* ... */;
+ * mesh::HalfedgeMesh mesh = // ...;
  * GltfOptions opts;
  * opts.binary = true;
  * opts.include_normals = true;
@@ -69,7 +69,7 @@ bool write_gltf(const std::string& filepath, const mesh::HalfedgeMesh& mesh,
  * @return false 导出失败
  *
  * @code{.cpp}
- * brep::BrepModel model = /* ... */;
+ * brep::BrepModel model = // ...;
  * // 高精度曲面导出
  * bool ok = write_brep_gltf("model.glb", model, 64);
  * @endcode

include/vde/foundation/io_ply.h

@@ -43,7 +43,7 @@ mesh::HalfedgeMesh read_ply(const std::string& filepath);
  * @note 若需要二进制输出以提高性能，请使用 BinarySerializer
  *
  * @code{.cpp}
- * mesh::HalfedgeMesh mesh = /* ... */;
+ * mesh::HalfedgeMesh mesh = // ...;
  * write_ply("output.ply", mesh);
  * @endcode
  *

include/vde/foundation/io_stl.h

@@ -57,7 +57,7 @@ std::vector<StlTriangle> read_stl(const std::string& filepath);
  * @note 法向量在写入时自动归一化
  *
  * @code{.cpp}
- * std::vector<StlTriangle> tris = /* ... */;
+ * std::vector<StlTriangle> tris = // ...;
  * write_stl("output.stl", tris);  // 二进制，体积小
  * @endcode
  *
@@ -77,7 +77,7 @@ void write_stl(const std::string& filepath, const std::vector<StlTriangle>& tris
  * @warning ASCII STL 文件体积约为二进制 STL 的 5-10 倍，不适合大规模网格
  *
  * @code{.cpp}
- * std::vector<StlTriangle> tris = /* ... */;
+ * std::vector<StlTriangle> tris = // ...;
  * write_stl_ascii("debug.stl", tris);  // 可读文本，便于调试
  * @endcode
  *