Always use struct

src/server.hpp

@@ -1,14 +1,15 @@
 #pragma once
 
-#include "config.hpp"
-#include "connection_handler.hpp"
-#include "connection_registry.hpp"
 #include <atomic>
 #include <memory>
 #include <span>
 #include <thread>
 #include <vector>
 
+#include "config.hpp"
+#include "connection_handler.hpp"
+#include "connection_registry.hpp"
+
 /**
  * High-performance multi-threaded server for handling network connections.
  *
@@ -32,8 +33,7 @@
  * - Prevention of accidental stack allocation that would break safety
  * guarantees
  */
-class Server : public std::enable_shared_from_this<Server> {
-public:
+struct Server : std::enable_shared_from_this<Server> {
   /**
    * Factory method to create a Server instance.
    *