Добавлено ожидание процесса

Updater/Program.cs

@@ -1,4 +1,6 @@
-using Updater.Core;
+using System.Diagnostics;
+using System.Security.Cryptography;
+using Updater.Core;
 
 namespace Updater;
 
@@ -22,6 +24,22 @@ internal sealed class Program
 
         Thread.Sleep(options.UpdateDelayMs);
 
+        if (options.WaitProcess != null)
+        try
+        {
+            using (var proc = Process.GetProcessById(options.WaitProcess.Value))
+            {
+                logger.Info($"Waiting for the process to complete {options.WaitProcess}...");
+                proc.WaitForExit(); // блокирует выполнение до завершения процесса
+                logger.Info("Process is completed.");
+            }
+        }
+        catch (ArgumentException)
+        {
+                logger.Info($"Process with PID {options.WaitProcess} not found.");
+        }
+
+
         var extractor = new ZipExtractor(logger);
         var installer = new SafeFileInstaller(logger);
         var procMgr = new ProcessManager(logger);