Revert "Fix: keep socket alive during async_connect to prevent use-after-free crash"

This reverts commit 2ec6b20.

Author: BewareMyPower

lib/ClientConnection.cc

@@ -642,19 +642,12 @@ void ClientConnection::handleResolve(ASIO_ERROR err, const tcp::resolver::result
         ptr->connectTimeoutTask_->stop();
     });
     connectTimeoutTask_->start();
-    // Capture socket_ by value (shared_ptr) to ensure the socket object stays alive for
-    // the entire duration of async_connect. ASIO's range_connect_op holds a raw reference
-    // to the socket and calls socket.close() between endpoint retry attempts; if
-    // ClientConnection is destroyed (dropping the socket_ shared_ptr) before those
-    // internal calls complete, that results in a use-after-free crash.
-    auto socket = socket_;
-    ASIO::async_connect(*socket_, results,
-                        [weakSelf, socket](const ASIO_ERROR& err, const tcp::endpoint& endpoint) {
-                            auto self = weakSelf.lock();
-                            if (self) {
-                                self->handleTcpConnected(err, endpoint);
-                            }
-                        });
+    ASIO::async_connect(*socket_, results, [weakSelf](const ASIO_ERROR& err, const tcp::endpoint& endpoint) {
+        auto self = weakSelf.lock();
+        if (self) {
+            self->handleTcpConnected(err, endpoint);
+        }
+    });
 }
 
 void ClientConnection::readNextCommand() {