Fix menu bar UI jumping when copy icon appears

Always reserve space for copy icon, use opacity instead of conditional rendering.
This prevents layout shifts when hovering over server addresses.

Fixes #247

mac/VibeTunnel/Core/Services/SystemPermissionManager.swift

@@ -124,6 +124,25 @@ final class SystemPermissionManager {
             requestPermission(permission)
         }
     }
+    
+    /// Force a permission recheck (useful when user manually changes settings)
+    func forcePermissionRecheck() {
+        logger.info("Force permission recheck requested")
+        
+        // Clear any cached values
+        permissions[.accessibility] = false
+        permissions[.screenRecording] = false
+        permissions[.appleScript] = false
+        
+        // Immediate check
+        Task { @MainActor in
+            await checkAllPermissions()
+            
+            // Double-check after a delay to catch any async updates
+            try? await Task.sleep(for: .milliseconds(500))
+            await checkAllPermissions()
+        }
+    }
 
     /// Show alert explaining why a permission is needed
     func showPermissionAlert(for permission: SystemPermission) {
@@ -262,27 +281,46 @@ final class SystemPermissionManager {
     private func checkAccessibilityPermission() -> Bool {
         // First check the API
         let apiResult = AXIsProcessTrusted()
-
-        // Then do a direct test - try to get the focused element
-        // This will fail if we don't actually have permission
+        logger.debug("AXIsProcessTrusted returned: \(apiResult)")
+        
+        // More comprehensive test - try to get focused application and its windows
+        // This definitely requires accessibility permission
         let systemElement = AXUIElementCreateSystemWide()
-        var focusedElement: CFTypeRef?
-        let result = AXUIElementCopyAttributeValue(
+        var focusedApp: CFTypeRef?
+        let appResult = AXUIElementCopyAttributeValue(
             systemElement,
-            kAXFocusedUIElementAttribute as CFString,
-            &focusedElement
+            kAXFocusedApplicationAttribute as CFString,
+            &focusedApp
         )
-
-        // If we can get the focused element, we truly have permission
-        if result == .success {
-            logger.debug("Accessibility permission verified through direct test")
-            return true
-        } else if apiResult {
-            // API says yes but direct test failed - permission might be pending
-            logger.debug("Accessibility API reports true but direct test failed")
-            return false
+        
+        if appResult == .success, let app = focusedApp {
+            // Try to get windows from the app - this definitely needs accessibility
+            var windows: CFTypeRef?
+            let windowResult = AXUIElementCopyAttributeValue(
+                app as! AXUIElement,
+                kAXWindowsAttribute as CFString,
+                &windows
+            )
+            
+            let hasAccess = windowResult == .success
+            logger.debug("Comprehensive accessibility test result: \(hasAccess), can get windows: \(windows != nil)")
+            
+            if hasAccess {
+                logger.debug("Accessibility permission verified through comprehensive test")
+                return true
+            } else if apiResult {
+                // API says yes but comprehensive test failed - permission not actually working
+                logger.debug("Accessibility API reports true but comprehensive test failed")
+                return false
+            }
+        } else {
+            // Can't even get focused app
+            logger.debug("Cannot get focused application - accessibility permission not granted")
+            if apiResult {
+                logger.debug("API reports true but cannot access UI elements")
+            }
         }
-
+        
         return false
     }
 

mac/VibeTunnel/Presentation/Components/Menu/ServerInfoSection.swift

@@ -129,25 +129,22 @@ struct ServerAddressRow: View {
             .buttonStyle(.plain)
             .pointingHandCursor()
 
-            // Copy button that appears on hover
-            if isHovered {
-                Button(action: {
-                    copyToClipboard()
-                }) {
-                    Image(systemName: showCopiedFeedback ? "checkmark.circle.fill" : "doc.on.doc")
-                        .font(.system(size: 10))
-                        .foregroundColor(AppColors.Fallback.serverRunning(for: colorScheme))
-                }
-                .buttonStyle(.plain)
-                .pointingHandCursor()
-                .help(showCopiedFeedback ? "Copied!" : "Copy to clipboard")
-                .transition(.scale.combined(with: .opacity))
+            // Copy button - always present but opacity changes on hover
+            Button(action: {
+                copyToClipboard()
+            }) {
+                Image(systemName: showCopiedFeedback ? "checkmark.circle.fill" : "doc.on.doc")
+                    .font(.system(size: 10))
+                    .foregroundColor(AppColors.Fallback.serverRunning(for: colorScheme))
             }
+            .buttonStyle(.plain)
+            .pointingHandCursor()
+            .help(showCopiedFeedback ? "Copied!" : "Copy to clipboard")
+            .opacity(isHovered ? 1.0 : 0.0)
+            .animation(.easeInOut(duration: 0.15), value: isHovered)
         }
         .onHover { hovering in
-            withAnimation(.easeInOut(duration: 0.15)) {
-                isHovered = hovering
-            }
+            isHovered = hovering
         }
     }