Test Fix panic on disconnect

include/columnlynx/common/panic_handler.hpp

@@ -186,7 +186,7 @@ namespace ColumnLynx::Utils {
 
         // Panic the main thread and instantly halt execution. This produces a stack trace dump. Do not use by itself, throw an error instead.
         static void panic(const std::string& reason) {
-            std::cerr << "\n***\033[31m MAIN THREAD PANIC! \033[0m***\n";
+            std::cerr << "\n***\033[31m MASTER THREAD PANIC! \033[0m***\n";
             std::cerr << "Reason: " << reason << "\n";
             std::cerr << "Dumping panic trace...\n";
 

include/columnlynx/server/net/tcp/tcp_connection.hpp

@@ -76,5 +76,6 @@ namespace ColumnLynx::Net::TCP {
             std::chrono::steady_clock::time_point mLastHeartbeatReceived;
             std::chrono::steady_clock::time_point mLastHeartbeatSent;
             int mMissedHeartbeats = 0;
+            std::string mRemoteIP; // Cached remote IP to avoid calling remote_endpoint() on closed sockets
     };
 }