fix(Metadata): byteSize_ changed from std::size_t to int to avoid implicit type conversion

src/dobj/public/Metadata.h

@@ -103,7 +103,7 @@ public:
     friend std::ostream& operator<<(std::ostream& os, const Metadata& metadata);
 
 private:
-    std::size_t byteSize_ = 0;                      ///< Total size of the data in bytes.
+    int byteSize_ = 0;                      ///< Total size of the data in bytes.
     std::string dataType_;                          ///< Type of the data (e.g., "float", "double").
     std::vector<std::size_t> dimensions_;           ///< Dimensions of the data (e.g., {3, 4} for a 3x4 matrix).
     bool debugFlag_ = false;                        ///< Indicates whether debugging is enabled.