Fix(Web): exit remote-desktop fullscreen blocks device-list clicks

server/go/web/ws.go

@@ -229,8 +229,30 @@ func (h *wsHub) OnDeviceOnline(_ hub.DeviceInfo) {
 	h.broadcastAuthenticated(`{"cmd":"devices_changed"}`)
 }
 
-func (h *wsHub) OnDeviceOffline(_ string) {
+func (h *wsHub) OnDeviceOffline(id string) {
+	// Tell everyone authenticated to refresh their device list (covers
+	// users sitting on the devices-page).
 	h.broadcastAuthenticated(`{"cmd":"devices_changed"}`)
+
+	// Also tell any browser actively viewing this device's screen — the
+	// devices_changed handler only refreshes the list page; viewers on the
+	// screen page would otherwise see a frozen frame with "Connected" status
+	// indefinitely. The browser handles this by showing "Device offline" and
+	// bouncing back to the device list after 2 s.
+	if id == "" {
+		return
+	}
+	msg := mustJSON(map[string]any{
+		"cmd": "device_offline",
+		"id":  id,
+	})
+	h.mu.RLock()
+	defer h.mu.RUnlock()
+	for c := range h.clients {
+		if c.watching == id && c.token != "" {
+			c.queue(msg)
+		}
+	}
 }
 
 // OnCursorChange relays the remote cursor index to every viewer of this

server/web/index.html

@@ -1873,6 +1873,24 @@
         }
 
         function showPage(pageId) {
+            // Leaving the remote-desktop page? Drop fullscreen first.
+            // #screen-page is the requestFullscreen target; while it remains
+            // the document.fullscreenElement the browser blocks pointer /
+            // keyboard interaction with anything outside its subtree —
+            // devices-page lives outside it, so without this exit a click
+            // ANYWHERE on the device list silently no-ops until the user
+            // hits ESC themselves. Same hazard for device_offline auto-
+            // navigation, manual Back, and any future navigation we add.
+            if (pageId !== 'screen-page') {
+                const sp = document.getElementById('screen-page');
+                if (sp && sp.classList.contains('active')) {
+                    if (document.fullscreenElement || document.webkitFullscreenElement) {
+                        const exit = document.exitFullscreen || document.webkitExitFullscreen;
+                        if (exit) exit.call(document).catch(() => {});
+                    }
+                    sp.classList.remove('pseudo-fullscreen');  // iOS fallback path
+                }
+            }
             document.querySelectorAll('.page').forEach(p => p.classList.remove('active'));
             document.getElementById(pageId).classList.add('active');
         }