We don't want to close the connection on EPOLLRDHUP

We'll rely on the errors from reads and writes to close the connections

src/server.cpp

@@ -313,7 +313,7 @@ void Server::start_network_threads() {
           conn->tsan_acquire();
           events[i].data.ptr = nullptr;
 
-          if (events[i].events & (EPOLLERR | EPOLLHUP | EPOLLRDHUP)) {
+          if (events[i].events & EPOLLERR) {
             continue; // Connection closed - unique_ptr destructor cleans up
           }