删除多个类和结构体的拷贝构造函数和赋值运算符，确保不可复制性

Core/App/Common/df_player.hpp

@@ -10,7 +10,11 @@ public:
     explicit DfPlayer(UART_HandleTypeDef* uart)
         : serialPort(std::make_unique<SerialPort>(uart, kBaudRate, kLength, kTimeout)) {}
 
-    ~DfPlayer() = default;
+    ~DfPlayer()                          = default;
+    DfPlayer(const DfPlayer&)            = delete;
+    DfPlayer& operator=(const DfPlayer&) = delete;
+    DfPlayer(DfPlayer&&)                 = delete;
+    DfPlayer& operator=(DfPlayer&&)      = delete;
 
     void Play();
     void Stop();