Used some of my claude time to update some things.

DeskPad.xcodeproj/project.pbxproj

@@ -13,18 +13,26 @@
 		6D2F148B280C20D000A3A2E5 /* SideEffectsMiddleware.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D2F1488280C20D000A3A2E5 /* SideEffectsMiddleware.swift */; };
 		6D2F148C280C20D000A3A2E5 /* Store.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D2F1489280C20D000A3A2E5 /* Store.swift */; };
 		6D2F148E280C211E00A3A2E5 /* ScreenViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D2F148D280C211E00A3A2E5 /* ScreenViewController.swift */; };
+		CORE001280C211E00A3A2E5 /* VirtualDisplayManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = CORE002280C211E00A3A2E5 /* VirtualDisplayManager.swift */; };
+		CORE003280C211E00A3A2E5 /* DisplayStreamRenderer.swift in Sources */ = {isa = PBXBuildFile; fileRef = CORE004280C211E00A3A2E5 /* DisplayStreamRenderer.swift */; };
+		CORE005280C211E00A3A2E5 /* MouseTracker.swift in Sources */ = {isa = PBXBuildFile; fileRef = CORE006280C211E00A3A2E5 /* MouseTracker.swift */; };
+		CORE007280C211E00A3A2E5 /* DeskPadViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = CORE008280C211E00A3A2E5 /* DeskPadViewController.swift */; };
 		6D41B09F2879FAB6007CEB2F /* MouseLocationSideEffect.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D41B09E2879FAB6007CEB2F /* MouseLocationSideEffect.swift */; };
 		6D41B0A12879FABE007CEB2F /* MouseLocationState.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D41B0A02879FABE007CEB2F /* MouseLocationState.swift */; };
 		6D41B0A42879FBA8007CEB2F /* ScreenViewData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D41B0A32879FBA8007CEB2F /* ScreenViewData.swift */; };
 		6D68E1AF287ABB9900CD574A /* ScreenConfigurationSideEffect.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D68E1AE287ABB9900CD574A /* ScreenConfigurationSideEffect.swift */; };
 		6D68E1B2287ABDB900CD574A /* NSScreen+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D68E1B1287ABDB900CD574A /* NSScreen+Extensions.swift */; };
 		6D68E1B4287ABFC800CD574A /* ScreenConfigurationState.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6D68E1B3287ABFC800CD574A /* ScreenConfigurationState.swift */; };
 		6DC044522801877F00281728 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6DC044512801877F00281728 /* AppDelegate.swift */; };
+		MAIN001280C211E00A3A2E5 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = MAIN002280C211E00A3A2E5 /* main.swift */; };
 		6DC044562801878100281728 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 6DC044552801878100281728 /* Assets.xcassets */; };
-		6DC04461280191EB00281728 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6DC04460280191EB00281728 /* main.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		CORE002280C211E00A3A2E5 /* VirtualDisplayManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VirtualDisplayManager.swift; sourceTree = "<group>"; };
+		CORE004280C211E00A3A2E5 /* DisplayStreamRenderer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DisplayStreamRenderer.swift; sourceTree = "<group>"; };
+		CORE006280C211E00A3A2E5 /* MouseTracker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MouseTracker.swift; sourceTree = "<group>"; };
+		CORE008280C211E00A3A2E5 /* DeskPadViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeskPadViewController.swift; sourceTree = "<group>"; };
 		6D2F1485280C20C800A3A2E5 /* SubscriberViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SubscriberViewController.swift; sourceTree = "<group>"; };
 		6D2F1487280C20D000A3A2E5 /* AppState.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppState.swift; sourceTree = "<group>"; };
 		6D2F1488280C20D000A3A2E5 /* SideEffectsMiddleware.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SideEffectsMiddleware.swift; sourceTree = "<group>"; };
@@ -40,9 +48,9 @@
 		6D68E1B3287ABFC800CD574A /* ScreenConfigurationState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScreenConfigurationState.swift; sourceTree = "<group>"; };
 		6DC0444E2801877F00281728 /* DeskPad.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = DeskPad.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		6DC044512801877F00281728 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		MAIN002280C211E00A3A2E5 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
 		6DC044552801878100281728 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		6DC0445A2801878100281728 /* DeskPad.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = DeskPad.entitlements; sourceTree = "<group>"; };
-		6DC04460280191EB00281728 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -112,6 +120,17 @@
 			path = Helpers;
 			sourceTree = "<group>";
 		};
+		COREGRP280C211E00A3A2E5 /* Core */ = {
+			isa = PBXGroup;
+			children = (
+				CORE002280C211E00A3A2E5 /* VirtualDisplayManager.swift */,
+				CORE004280C211E00A3A2E5 /* DisplayStreamRenderer.swift */,
+				CORE006280C211E00A3A2E5 /* MouseTracker.swift */,
+				CORE008280C211E00A3A2E5 /* DeskPadViewController.swift */,
+			);
+			path = Core;
+			sourceTree = "<group>";
+		};
 		6DC044452801877F00281728 = {
 			isa = PBXGroup;
 			children = (
@@ -131,9 +150,10 @@
 		6DC044502801877F00281728 /* DeskPad */ = {
 			isa = PBXGroup;
 			children = (
-				6DC04460280191EB00281728 /* main.swift */,
+				COREGRP280C211E00A3A2E5 /* Core */,
 				6D2F1485280C20C800A3A2E5 /* SubscriberViewController.swift */,
 				6DC044512801877F00281728 /* AppDelegate.swift */,
+				MAIN002280C211E00A3A2E5 /* main.swift */,
 				6D2F1483280C201B00A3A2E5 /* Backend */,
 				6D2F1484280C202700A3A2E5 /* Frontend */,
 				6D68E1B0287ABDAB00CD574A /* Helpers */,
@@ -177,7 +197,7 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 1320;
-				LastUpgradeCheck = 1320;
+				LastUpgradeCheck = 2620;
 				TargetAttributes = {
 					6DC0444D2801877F00281728 = {
 						CreatedOnToolsVersion = 13.2.1;
@@ -219,6 +239,7 @@
 /* Begin PBXShellScriptBuildPhase section */
 		6D2F147F280C1C1400A3A2E5 /* Run SwiftFormat */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -242,6 +263,10 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				CORE001280C211E00A3A2E5 /* VirtualDisplayManager.swift in Sources */,
+				CORE003280C211E00A3A2E5 /* DisplayStreamRenderer.swift in Sources */,
+				CORE005280C211E00A3A2E5 /* MouseTracker.swift in Sources */,
+				CORE007280C211E00A3A2E5 /* DeskPadViewController.swift in Sources */,
 				6D68E1B4287ABFC800CD574A /* ScreenConfigurationState.swift in Sources */,
 				6D68E1B2287ABDB900CD574A /* NSScreen+Extensions.swift in Sources */,
 				6D2F148C280C20D000A3A2E5 /* Store.swift in Sources */,
@@ -254,7 +279,7 @@
 				6D41B0A42879FBA8007CEB2F /* ScreenViewData.swift in Sources */,
 				6D2F148E280C211E00A3A2E5 /* ScreenViewController.swift in Sources */,
 				6DC044522801877F00281728 /* AppDelegate.swift in Sources */,
-				6DC04461280191EB00281728 /* main.swift in Sources */,
+				MAIN001280C211E00A3A2E5 /* main.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -265,6 +290,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
@@ -295,9 +321,12 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEVELOPMENT_TEAM = F84FKGN358;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
@@ -317,6 +346,7 @@
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OBJC_BRIDGING_HEADER = "DeskPad/DeskPad-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -327,6 +357,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
@@ -357,9 +388,12 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				DEVELOPMENT_TEAM = F84FKGN358;
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
@@ -372,6 +406,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OBJC_BRIDGING_HEADER = "DeskPad/DeskPad-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
@@ -387,8 +422,10 @@
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 6;
-				DEVELOPMENT_TEAM = TYPC962S4N;
+				DEAD_CODE_STRIPPING = YES;
+				ENABLE_APP_SANDBOX = YES;
 				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_USER_SELECTED_FILES = readonly;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
@@ -397,7 +434,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MARKETING_VERSION = 1.3.2;
-				PRODUCT_BUNDLE_IDENTIFIER = com.stengo.DeskPad;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.mvstaging.desk-pad";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
@@ -413,8 +450,10 @@
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 6;
-				DEVELOPMENT_TEAM = TYPC962S4N;
+				DEAD_CODE_STRIPPING = YES;
+				ENABLE_APP_SANDBOX = YES;
 				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_USER_SELECTED_FILES = readonly;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
@@ -423,7 +462,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MARKETING_VERSION = 1.3.2;
-				PRODUCT_BUNDLE_IDENTIFIER = com.stengo.DeskPad;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.mvstaging.desk-pad";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;

DeskPad/AppDelegate.swift

@@ -1,45 +1,80 @@
 import Cocoa
-import ReSwift
 
-enum AppDelegateAction: Action {
-    case didFinishLaunching
-}
+final class AppDelegate: NSObject, NSApplicationDelegate {
+    // MARK: - Properties
+
+    private var window: NSWindow!
+    private var viewController: DeskPadViewController!
 
-class AppDelegate: NSObject, NSApplicationDelegate {
-    var window: NSWindow!
+    // MARK: - Constants
+
+    private enum Constants {
+        static let windowTitle = "DeskPad"
+        static let minContentSize = CGSize(width: 400, height: 300)
+        static let maxContentSize = CGSize(width: 3840, height: 2160)
+    }
+
+    // MARK: - Application Lifecycle
 
     func applicationDidFinishLaunching(_: Notification) {
-        let viewController = ScreenViewController()
+        // Create view controller (which creates display in viewDidLoad)
+        viewController = DeskPadViewController()
+
+        // Create and configure window
         window = NSWindow(contentViewController: viewController)
+        configureWindow()
+
+        // Set window delegate
         window.delegate = viewController
-        window.title = "DeskPad"
+
+        // Show window
         window.makeKeyAndOrderFront(nil)
+
+        // Setup application menu
+        setupMenu()
+    }
+
+    func applicationShouldTerminateAfterLastWindowClosed(_: NSApplication) -> Bool {
+        true
+    }
+
+    func applicationSupportsSecureRestorableState(_: NSApplication) -> Bool {
+        true
+    }
+
+    // MARK: - Window Configuration
+
+    private func configureWindow() {
+        window.title = Constants.windowTitle
         window.titlebarAppearsTransparent = true
         window.isMovableByWindowBackground = true
         window.titleVisibility = .hidden
         window.backgroundColor = .white
-        window.contentMinSize = CGSize(width: 400, height: 300)
-        window.contentMaxSize = CGSize(width: 3840, height: 2160)
+        window.contentMinSize = Constants.minContentSize
+        window.contentMaxSize = Constants.maxContentSize
         window.styleMask.insert(.resizable)
         window.collectionBehavior.insert(.fullScreenNone)
+    }
+
+    // MARK: - Menu Setup
 
+    private func setupMenu() {
         let mainMenu = NSMenu()
-        let mainMenuItem = NSMenuItem()
-        let subMenu = NSMenu(title: "MainMenu")
-        let quitMenuItem = NSMenuItem(
-            title: "Quit",
+
+        // Application menu
+        let appMenuItem = NSMenuItem()
+        let appMenu = NSMenu(title: Constants.windowTitle)
+
+        let quitItem = NSMenuItem(
+            title: "Quit \(Constants.windowTitle)",
             action: #selector(NSApp.terminate),
             keyEquivalent: "q"
         )
-        subMenu.addItem(quitMenuItem)
-        mainMenuItem.submenu = subMenu
-        mainMenu.items = [mainMenuItem]
-        NSApplication.shared.mainMenu = mainMenu
+        appMenu.addItem(quitItem)
 
-        store.dispatch(AppDelegateAction.didFinishLaunching)
-    }
+        appMenuItem.submenu = appMenu
+        mainMenu.addItem(appMenuItem)
 
-    func applicationShouldTerminateAfterLastWindowClosed(_: NSApplication) -> Bool {
-        return true
+        NSApplication.shared.mainMenu = mainMenu
     }
 }

DeskPad/Backend/AppState.swift

@@ -1,11 +1,11 @@
 import ReSwift
 
-struct AppState: Equatable {
+struct AppState: Equatable, Sendable {
     let mouseLocationState: MouseLocationState
     let screenConfigurationState: ScreenConfigurationState
 
     static var initialState: AppState {
-        return AppState(
+        AppState(
             mouseLocationState: .initialState,
             screenConfigurationState: .initialState
         )

DeskPad/Backend/MouseLocation/MouseLocationSideEffect.swift

@@ -14,19 +14,17 @@ func mouseLocationSideEffect() -> SideEffect {
             timer = Timer.scheduledTimer(withTimeInterval: 0.25, repeats: true) { _ in
                 let mouseLocation = NSEvent.mouseLocation
                 let screens = NSScreen.screens
-                let screenContainingMouse = (screens.first { NSMouseInRect(mouseLocation, $0.frame, false) })
+                let screenContainingMouse = screens.first { NSMouseInRect(mouseLocation, $0.frame, false) }
                 let isWithinScreen = screenContainingMouse?.displayID == getState()?.screenConfigurationState.displayID
                 dispatch(MouseLocationAction.located(isWithinScreen: isWithinScreen))
             }
         }
-        switch action {
-        case let MouseLocationAction.requestMove(point):
+
+        if case let MouseLocationAction.requestMove(point) = action {
             guard let displayID = getState()?.screenConfigurationState.displayID else {
                 return
             }
             CGDisplayMoveCursorToPoint(displayID, point)
-        default:
-            return
         }
     }
 }

DeskPad/Backend/MouseLocation/MouseLocationState.swift

@@ -1,11 +1,11 @@
 import Foundation
 import ReSwift
 
-struct MouseLocationState: Equatable {
+struct MouseLocationState: Equatable, Sendable {
     let isWithinScreen: Bool
 
     static var initialState: MouseLocationState {
-        return MouseLocationState(isWithinScreen: false)
+        MouseLocationState(isWithinScreen: false)
     }
 }