v1.2.0: 重构为插件+独立Manager架构，横版UI，精确保留文本框边距的文档转换

Better-EN5/UI/HeadToolBarSettings.cs

@@ -10,9 +10,24 @@ namespace BetterEN5.UI
             SortHint = 999;
             Command = new DelegateCommand(() =>
             {
-                BetterSeewoMainWindow.ShowWindow();
+                LaunchManager();
             });
             Predicate = _ => true;
         }
+
+        private static void LaunchManager()
+        {
+            var baseDir = System.AppDomain.CurrentDomain.BaseDirectory;
+            var mgrPath = System.IO.Path.Combine(baseDir, "Better-Seewo.Manager.exe");
+            if (System.IO.File.Exists(mgrPath))
+            {
+                var psi = new System.Diagnostics.ProcessStartInfo
+                {
+                    FileName = mgrPath,
+                    UseShellExecute = true
+                };
+                System.Diagnostics.Process.Start(psi);
+            }
+        }
     }
 }