feat(resources): add cross-server resource migration (dev-only) (#11165)

bootstrap/helpers/remoteProcess.php

@@ -102,6 +102,35 @@ function instant_scp(string $source, string $dest, Server $server, $throwError =
     );
 }
 
+/**
+ * Download a remote file from a managed server onto the Coolify host via SCP.
+ */
+function instant_scp_from_server(string $remoteSource, string $localDest, Server $server, $throwError = true)
+{
+    return SshRetryHandler::retry(
+        function () use ($remoteSource, $localDest, $server) {
+            $scp_command = SshMultiplexingHelper::generateScpDownloadCommand($server, $remoteSource, $localDest);
+            $process = Process::timeout(config('constants.ssh.command_timeout'))->run($scp_command);
+
+            $output = trim($process->output());
+            $exitCode = $process->exitCode();
+
+            if ($exitCode !== 0) {
+                excludeCertainErrors($process->errorOutput(), $exitCode);
+            }
+
+            return $output === 'null' ? null : $output;
+        },
+        [
+            'server' => $server->ip,
+            'source' => $remoteSource,
+            'dest' => $localDest,
+            'function' => 'instant_scp_from_server',
+        ],
+        $throwError
+    );
+}
+
 function instant_remote_process_with_timeout(Collection|array $command, Server $server, bool $throwError = true, bool $no_sudo = false): ?string
 {
     $command = $command instanceof Collection ? $command->toArray() : $command;