fix: keep active ssh downloads alive

scripts/src/artifact-registry.ts

@@ -1679,25 +1679,28 @@ function combineCommandResults(command: string[], parts: CommandResult[]): Comma
 }
 
 function downloadRemoteFile(options: ArtifactRegistryOptions, remotePath: string, localPath: string, timeoutMs = options.timeoutMs): CommandResult {
+  const transferRuntimeTimeoutMs = Math.max(timeoutMs * 4, 60 * 60_000);
   const command = [
     process.execPath,
     "scripts/cli.ts",
     "ssh",
     options.providerId,
     "download",
+    "--inactivity-timeout-ms",
+    String(timeoutMs),
     remotePath,
     localPath,
   ];
   const stdoutFile = process.env.UNIDESK_JOB_STDOUT_FILE;
   const stderrFile = process.env.UNIDESK_JOB_STDERR_FILE;
-  if (!stdoutFile || !stderrFile) return runCommand(command, repoRoot, { timeoutMs });
+  if (!stdoutFile || !stderrFile) return runCommand(command, repoRoot, { timeoutMs: transferRuntimeTimeoutMs });
   return runCommand([
     "bash",
     "-lc",
     `set -o pipefail; "$@" > >(tee -a ${shellQuote(stdoutFile)}) 2> >(tee -a ${shellQuote(stderrFile)} >&2)`,
     "unidesk-artifact-download",
     ...command,
-  ], repoRoot, { timeoutMs });
+  ], repoRoot, { timeoutMs: transferRuntimeTimeoutMs });
 }
 
 async function runRemoteScriptBackground(