From b02c7cd28f1c48c5380bb5e3f839bdfb7615f25f Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Sat, 30 May 2026 17:41:59 +0800
Subject: [PATCH] Show more languages in preferences

---
 Apptag/ApptagApp.swift | 1721 +++++++++++++++++++++++++++++++++++-----------------------
 1 files changed, 1,034 insertions(+), 687 deletions(-)

diff --git a/Apptag/ApptagApp.swift b/Apptag/ApptagApp.swift
index a04f8b8..6b7c698 100644
--- a/Apptag/ApptagApp.swift
+++ b/Apptag/ApptagApp.swift
@@ -6,65 +6,227 @@
 
 @main
 struct TagLauncherApp: App {
+    private static let singletonLockFile = TagLauncherProcessSingleton.acquireOrHandOffAndExit()
     @NSApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
+
+    init() {
+        _ = Self.singletonLockFile
+    }
 
     var body: some Scene {
         Settings {
             PreferencesView()
         }
-        .defaultSize(width: 880, height: 460)
+        .defaultSize(width: 1000, height: 480)
         .commands {
             CommandGroup(replacing: .systemServices) { }
             CommandGroup(replacing: .appVisibility) { }
+            CommandGroup(replacing: .help) { }
         }
     }
 }
 
 // MARK: - App Delegate (menubar + overlay window + hotkey)
 
-final class OverlayPanel: NSPanel {
-    override var canBecomeKey: Bool { true }
-    override var canBecomeMain: Bool { true }
-}
-
-final class AppDelegate: NSObject, NSApplicationDelegate {
+final class AppDelegate: NSObject, NSApplicationDelegate, NSMenuDelegate {
     private static let showDockIconKey = "showDockIcon"
+    private static let statusItemAutosaveName = AppIdentity.statusItemAutosaveName
+    private static let statusItemButtonIdentifier = NSUserInterfaceItemIdentifier("TagLauncherStatusItemButton")
+    private static let statusItemAccessibilityLabel = AppIdentity.displayName
     private static let showAppListMenuItemIdentifier = NSUserInterfaceItemIdentifier("TagLauncherShowAppListMenuItem")
-    private static let showAppListShortcutGlyphs = "⌥⇧␣"
+    private static let helpMenuItemIdentifier = NSUserInterfaceItemIdentifier("TagLauncherHelpMenu")
+    private static let downloadHelpMenuItemIdentifier = NSUserInterfaceItemIdentifier("TagLauncherDownloadHelpMenuItem")
+    private static let externalActivationNotification = Notification.Name("TagLauncherExternalActivationRequested")
+    private static let externalActivationObject = AppIdentity.bundleIdentifier
+    private static let launcherOverlayLevel = NSWindow.Level(rawValue: NSWindow.Level.mainMenu.rawValue - 1)
+    private static let overlayDefaultLevel = launcherOverlayLevel
+    private static let overlayTextInputLevel = launcherOverlayLevel
 
     private var statusItem: NSStatusItem?
-    private var overlayWindow: NSWindow?
     private var overlayKeyMonitor: Any?
+    private var quickSearchLocalMouseMonitor: Any?
+    private var quickSearchExternalMouseMonitor: Any?
     private var settingsWindow: NSWindow?    // Track Settings window to keep it above overlay
-    private var hotkeyRef: EventHotKeyRef?
+    private var mainHotkeyRef: EventHotKeyRef?
+    private var quickSearchHotkeyRef: EventHotKeyRef?
+    private var hotkeyEventHandlerInstalled = false
+    private var isQuickSearchOpen = false
+    private var quickSearchShouldHideOverlayOnClose = false
+    private var quickSearchOnlyOverlaySession = false
+    private var lastQuickSearchHotkeyAt = Date.distantPast
+    private var isModalInteractionActive = false
     private var isInEditMode = false  // Suppress auto-dismiss during editing
+    private var isEditingAppNote = false
     private var isConfiguringApplicationMenu = false
     private var lastShowDockIcon: Bool?
+    private var statusMenuScreenForNextOverlay: NSScreen?
+    private var suppressReopenUntil = Date.distantPast
+
+    private lazy var overlayController = OverlayWindowController(
+        dependencies: OverlayWindowController.Dependencies(
+            shouldStageAsAccessory: { [weak self] in
+                self?.shouldStageOverlayAsAccessory ?? false
+            },
+            isSettingsVisible: { [weak self] in
+                self?.isSettingsVisible ?? false
+            },
+            settingsWindow: { [weak self] in
+                self?.settingsWindow
+            },
+            canHideOverlay: { [weak self] in
+                self?.isInEditMode == false
+            },
+            currentOverlayLevel: { [weak self] in
+                self?.currentOverlayLevel ?? Self.overlayDefaultLevel
+            },
+            overlayLevel: { [weak self] initialQuickSearchSource in
+                self?.overlayLevel(initialQuickSearchSource: initialQuickSearchSource) ?? Self.overlayDefaultLevel
+            },
+            makeContentView: { [weak self] initialQuickSearchSource in
+                DismissibleHostingView(
+                    rootView: ContentView(
+                        hideOverlay: { [weak self] in
+                            self?.hideOverlay(force: true)
+                        },
+                        initialQuickSearchSource: initialQuickSearchSource
+                    ),
+                    onBackdropTap: { [weak self] in
+                        self?.hideOverlay()
+                    }
+                )
+            },
+            handleOverlayKeyEvent: { [weak self] event in
+                self?.handleOverlayKeyEvent(event) ?? false
+            },
+            installOverlayKeyMonitor: { [weak self] in
+                self?.installOverlayKeyMonitor()
+            },
+            removeOverlayKeyMonitor: { [weak self] in
+                self?.removeOverlayKeyMonitor()
+            },
+            removeQuickSearchMouseMonitor: { [weak self] in
+                self?.removeQuickSearchExternalMouseMonitor()
+                self?.quickSearchShouldHideOverlayOnClose = false
+                self?.quickSearchOnlyOverlaySession = false
+            },
+            detachSettingsWindow: { [weak self] window in
+                self?.detachSettingsWindow(window)
+            },
+            prepareSettingsWindow: { [weak self] window in
+                self?.prepareSettingsWindow(window)
+            },
+            refreshChromeState: { [weak self] activate, avoidSpaceSwitch in
+                self?.refreshLauncherChromeState(activate: activate, avoidSpaceSwitch: avoidSpaceSwitch)
+            },
+            onWillHide: {
+                TagDatabase.flushPendingCategorySchemeBackupBatch()
+            },
+            onDidHide: {
+                NotificationCenter.default.post(name: .tagLauncherOverlayDidHide, object: nil)
+            },
+            onDidShow: {
+                NotificationCenter.default.post(name: .tagLauncherOverlayDidShow, object: nil)
+            }
+        )
+    )
+
+    private var overlayWindow: NSWindow? {
+        overlayController.window
+    }
+
+    private var overlayGeneration: Int {
+        overlayController.generation
+    }
+
+    private var overlayAvoidsSpaceSwitch: Bool {
+        get { overlayController.avoidsSpaceSwitch }
+        set { overlayController.avoidsSpaceSwitch = newValue }
+    }
+
+    private var isOverlayVisible: Bool {
+        overlayWindow?.isVisible == true
+    }
+
+    private var isSettingsVisible: Bool {
+        settingsWindow?.isVisible == true
+    }
+
+    private var requiresForegroundOwnership: Bool {
+        isOverlayVisible || isSettingsVisible
+    }
+
+    private var shouldStageOverlayAsAccessory: Bool {
+        !isSettingsVisible && !UserDefaults.standard.bool(forKey: Self.showDockIconKey)
+    }
+
+    private var currentOverlayLevel: NSWindow.Level {
+        if isEditingAppNote || isQuickSearchOpen {
+            return Self.overlayTextInputLevel
+        }
+        return Self.overlayDefaultLevel
+    }
+
+    private func overlayLevel(initialQuickSearchSource: String? = nil) -> NSWindow.Level {
+        if initialQuickSearchSource != nil {
+            return Self.overlayTextInputLevel
+        }
+        return currentOverlayLevel
+    }
 
     static func refreshChromeSettings() {
         (NSApp.delegate as? AppDelegate)?.syncChromeSettings(force: true)
     }
 
+    static func openPreferencesWindow() {
+        (NSApp.delegate as? AppDelegate)?.openPreferences()
+    }
+
     func applicationDidFinishLaunching(_ notification: Notification) {
+        AppDefaults.register()
         L10n.setup()
         migrateDefaultGroupName()
         TagDatabase.seedDefaultTags()
         syncChromeSettings(force: true)
-        registerHotkey()
+        observeHotkeyStatusChanges()
+        registerConfiguredHotkeys()
         observeOtherWindows()
         observeSettingsClose()
         observeEditMode()
+        observeAppNoteEditing()
+        observeQuickSearch()
+        observePreferencesRequests()
+        observeExternalActivationRequests()
         observeApplicationMenuChanges()
         observeChromeSettings()
         observeLanguageChanges()
         setupLaunchAtLogin()
-        configureApplicationMenuWhenAvailable()
+        suppressReopenUntil = Date().addingTimeInterval(1.0)
+        configureApplicationMenuWhenAvailable(retries: 200)
+    }
+
+    func applicationDidBecomeActive(_ notification: Notification) {
+        configureApplicationMenuWhenAvailable(retries: 12)
     }
 
     /// Dock icon click → show overlay (same as menubar "Show TagLauncher")
     func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
-        showOverlay()
+        guard Date() >= suppressReopenUntil else { return false }
+        showOrFocusOverlay()
         return false  // Suppress default "unhide all windows" behavior
+    }
+
+    func applicationWillTerminate(_ notification: Notification) {
+        hideOverlay(force: true, discardWindow: true)
+        unregisterHotkey(for: .main)
+        unregisterHotkey(for: .quickSearch)
+        TagDatabase.flushPendingCategorySchemeBackupBatch()
+        removeOverlayKeyMonitor()
+        removeQuickSearchExternalMouseMonitor()
+        DistributedNotificationCenter.default().removeObserver(
+            self,
+            name: Self.externalActivationNotification,
+            object: Self.externalActivationObject
+        )
     }
 
     /// Ensure defaultGroupName is always the language-neutral key "Other".
@@ -100,12 +262,120 @@
         let dockChanged = lastShowDockIcon != showDock
 
         if force || dockChanged {
-            NSApp.setActivationPolicy(showDock ? .regular : .accessory)
             lastShowDockIcon = showDock
+            refreshLauncherChromeState()
         }
 
         if force {
             setupMenuBar()
+        }
+    }
+
+    private func beginLauncherForegroundOwnership(activate: Bool = true, keyWindow: NSWindow? = nil) {
+        if NSApp.activationPolicy() != .regular {
+            NSApp.setActivationPolicy(.regular)
+        }
+        if activate {
+            claimLauncherForeground(keyWindow: keyWindow)
+        }
+    }
+
+    private func claimLauncherForeground(
+        keyWindow: NSWindow? = nil,
+        retries: Int = 0,
+        overlayGeneration expectedOverlayGeneration: Int? = nil
+    ) {
+        if NSApp.activationPolicy() != .regular {
+            NSApp.setActivationPolicy(.regular)
+        }
+
+        if isOverlayVisible && !NSApp.presentationOptions.contains(.hideDock) {
+            NSApp.presentationOptions = [.hideDock]
+        }
+
+        NSApp.unhide(nil)
+        NSApp.activate(ignoringOtherApps: true)
+
+        if let keyWindow, keyWindow.isVisible {
+            keyWindow.makeKeyAndOrderFront(nil)
+            keyWindow.makeMain()
+            keyWindow.orderFrontRegardless()
+        }
+        configureApplicationMenuWhenAvailable(retries: 4)
+
+        let overlayShouldYieldToSettings = keyWindow == overlayWindow && isSettingsVisible
+        let keyWindowStillNeedsFocus = !overlayShouldYieldToSettings
+            && keyWindow?.isVisible == true
+            && keyWindow?.isKeyWindow == false
+        let shouldRetry = !NSApp.isActive
+            || !NSApp.presentationOptions.contains(.hideDock)
+            || keyWindowStillNeedsFocus
+        guard retries > 0, isOverlayVisible else { return }
+        guard shouldRetry else { return }
+
+        let retryWindow = keyWindow
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.08) { [weak self] in
+            guard let self, self.isOverlayVisible else { return }
+            if let expectedOverlayGeneration,
+               expectedOverlayGeneration != self.overlayGeneration {
+                return
+            }
+            self.refreshLauncherChromeState()
+            self.claimLauncherForeground(
+                keyWindow: retryWindow,
+                retries: retries - 1,
+                overlayGeneration: expectedOverlayGeneration
+            )
+        }
+    }
+
+    private func refreshLauncherChromeState(activate: Bool = false, avoidSpaceSwitch: Bool = false) {
+        let showDock = UserDefaults.standard.bool(forKey: Self.showDockIconKey)
+        lastShowDockIcon = showDock
+
+        let shouldStayAccessoryForCurrentFullscreenSpace = isOverlayVisible
+            && (avoidSpaceSwitch || overlayAvoidsSpaceSwitch)
+        let shouldStayAccessoryForQuickOnlySearch = isOverlayVisible
+            && quickSearchOnlyOverlaySession
+            && !showDock
+        let desiredPolicy: NSApplication.ActivationPolicy = shouldStayAccessoryForCurrentFullscreenSpace
+            ? .accessory
+            : (shouldStayAccessoryForQuickOnlySearch ? .accessory
+            : (requiresForegroundOwnership
+            ? .regular
+            : (showDock ? .regular : .accessory)))
+        if NSApp.activationPolicy() != desiredPolicy {
+            NSApp.setActivationPolicy(desiredPolicy)
+        }
+
+        let desiredPresentation: NSApplication.PresentationOptions = isOverlayVisible ? [.hideDock] : []
+        if NSApp.presentationOptions != desiredPresentation {
+            NSApp.presentationOptions = desiredPresentation
+        }
+
+        if activate && requiresForegroundOwnership
+            && !shouldStayAccessoryForCurrentFullscreenSpace
+            && !shouldStayAccessoryForQuickOnlySearch {
+            let keyWindow = isSettingsVisible ? settingsWindow : (isOverlayVisible ? overlayWindow : nil)
+            claimLauncherForeground(
+                keyWindow: keyWindow,
+                retries: isOverlayVisible && !isSettingsVisible ? 5 : 0,
+                overlayGeneration: isOverlayVisible ? overlayGeneration : nil
+            )
+        }
+    }
+
+    private func handleApplicationDidResignActive() {
+        guard !isOverlayVisible else {
+            return
+        }
+
+        if isQuickSearchOpen {
+            NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+        }
+
+        if !requiresForegroundOwnership {
+            refreshLauncherChromeState()
         }
     }
 
@@ -122,7 +392,7 @@
 
     // MARK: - Launch at Login (LaunchAgent, zero permissions)
 
-    private static let launchAgentLabel = "com.apptag.launcher"
+    private static let launchAgentLabel = AppIdentity.launchAgentLabel
     static var supportsLaunchAtLogin: Bool {
         ProcessInfo.processInfo.environment["APP_SANDBOX_CONTAINER_ID"] == nil
     }
@@ -136,7 +406,7 @@
         guard supportsLaunchAtLogin else { return }
         let plist: [String: Any] = [
             "Label": Self.launchAgentLabel,
-            "ProgramArguments": ["open", Bundle.main.bundlePath, "--hide"],
+            "ProgramArguments": Self.expectedLaunchAgentProgramArguments(),
             "RunAtLoad": true,
         ]
         let dir = Self.launchAgentURL.deletingLastPathComponent()
@@ -144,10 +414,16 @@
         (plist as NSDictionary).write(to: Self.launchAgentURL, atomically: true)
 
         let uid = getuid()
+        let bootoutTask = Process()
+        bootoutTask.launchPath = "/bin/launchctl"
+        bootoutTask.arguments = ["bootout", "gui/\(uid)/\(Self.launchAgentLabel)"]
+        try? bootoutTask.run()
+        bootoutTask.waitUntilExit()
+
         let task = Process()
         task.launchPath = "/bin/launchctl"
         task.arguments = ["bootstrap", "gui/\(uid)", Self.launchAgentURL.path]
-        task.launch()
+        try? task.run()
     }
 
     static func disableLaunchAtLogin() {
@@ -156,8 +432,23 @@
         let task = Process()
         task.launchPath = "/bin/launchctl"
         task.arguments = ["bootout", "gui/\(uid)/\(Self.launchAgentLabel)"]
-        task.launch()
+        try? task.run()
         try? FileManager.default.removeItem(at: Self.launchAgentURL)
+    }
+
+    private static func launchAgentProgramArguments() -> [String]? {
+        guard let plist = NSDictionary(contentsOf: Self.launchAgentURL) as? [String: Any] else {
+            return nil
+        }
+        return plist["ProgramArguments"] as? [String]
+    }
+
+    private static func expectedLaunchAgentProgramArguments() -> [String] {
+        let executablePath = Bundle.main.executablePath
+            ?? Bundle.main.bundleURL
+                .appendingPathComponent("Contents/MacOS/\(AppIdentity.displayName)")
+                .path
+        return [executablePath, "--hide"]
     }
 
     /// On first launch, enable login item by default via LaunchAgent.
@@ -170,8 +461,14 @@
             return
         }
         let key = "launchAtLogin"
-        if UserDefaults.standard.object(forKey: key) == nil {
-            UserDefaults.standard.set(true, forKey: key)
+        guard UserDefaults.standard.bool(forKey: key) else {
+            Self.disableLaunchAtLogin()
+            return
+        }
+
+        let expectedArguments = Self.expectedLaunchAgentProgramArguments()
+        if !AppDefaults.hasStoredValue(for: key)
+            || Self.launchAgentProgramArguments() != expectedArguments {
             Self.enableLaunchAtLogin()
         }
     }
@@ -179,24 +476,32 @@
     // MARK: - Menu Bar
 
     private func setupMenuBar() {
-        removeMenuBarItem()
-        statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.squareLength)
+        if statusItem == nil {
+            statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.squareLength)
+        } else {
+            statusItem?.length = NSStatusItem.squareLength
+        }
         guard let statusItem else { return }
+        statusItem.autosaveName = Self.statusItemAutosaveName
         statusItem.isVisible = true
 
         if let button = statusItem.button {
+            button.identifier = Self.statusItemButtonIdentifier
+            button.setAccessibilityIdentifier(Self.statusItemAutosaveName)
+            button.setAccessibilityLabel(Self.statusItemAccessibilityLabel)
             button.image = makeMenuBarIcon()
             button.imageScaling = .scaleProportionallyDown
             button.imagePosition = .imageOnly
             button.toolTip = "TagLauncher — Tag-based app launcher"
-            button.action = #selector(toggleOverlay)
+            button.action = #selector(toggleOverlay(_:))
             button.target = self
         }
 
         let menu = NSMenu()
+        menu.delegate = self
         let showItem = NSMenuItem(
             title: showAppListMenuTitle,
-            action: #selector(toggleOverlay),
+            action: #selector(toggleOverlayFromStatusMenu(_:)),
             keyEquivalent: ""
         )
         showItem.target = self
@@ -217,9 +522,10 @@
         menu.addItem(.separator())
         let prefsItem = NSMenuItem(
             title: tr("menu.preferences"),
-            action: #selector(openPreferences),
+            action: #selector(openPreferences(_:)),
             keyEquivalent: ","
         )
+        prefsItem.target = self
         prefsItem.keyEquivalentModifierMask = .command
         menu.addItem(prefsItem)
         menu.addItem(.separator())
@@ -248,24 +554,73 @@
         statusItem.menu = menu
     }
 
+    func menuWillOpen(_ menu: NSMenu) {
+        statusMenuScreenForNextOverlay = overlayController.screenContainingCurrentPointer()
+            ?? statusItem?.button?.window?.screen
+            ?? NSScreen.main
+            ?? NSScreen.screens.first
+    }
+
+    func menuDidClose(_ menu: NSMenu) {
+        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) { [weak self] in
+            self?.statusMenuScreenForNextOverlay = nil
+        }
+    }
+
     private func makeMenuBarIcon() -> NSImage {
-        let image = NSImage(size: NSSize(width: 18, height: 18))
+        let menuBarIconSize = NSSize(width: 19, height: 19)
+        if let url = Bundle.main.url(forResource: "TagLauncherMenuBarIcon", withExtension: "svg"),
+           let image = NSImage(contentsOf: url) {
+            image.size = menuBarIconSize
+            image.isTemplate = true
+            image.accessibilityDescription = "TagLauncher"
+            return image
+        }
+
+        let image = NSImage(size: menuBarIconSize)
         image.lockFocus()
         defer { image.unlockFocus() }
 
-        NSColor.black.setFill()
+        NSGraphicsContext.current?.shouldAntialias = true
+        NSColor.black.withAlphaComponent(0.88).setStroke()
+        NSColor.black.withAlphaComponent(0.88).setFill()
 
-        let tagBody = NSBezierPath()
-        tagBody.move(to: NSPoint(x: 5.0, y: 2.2))
-        tagBody.line(to: NSPoint(x: 15.6, y: 5.0))
-        tagBody.line(to: NSPoint(x: 12.8, y: 15.8))
-        tagBody.line(to: NSPoint(x: 2.2, y: 13.0))
-        tagBody.close()
-        tagBody.fill()
+        let scale = image.size.width / 220.0
+        func rectFromSVG(x: CGFloat, y: CGFloat, width: CGFloat, height: CGFloat) -> NSRect {
+            NSRect(
+                x: x * scale,
+                y: (220.0 - y - height) * scale,
+                width: width * scale,
+                height: height * scale
+            )
+        }
 
-        NSGraphicsContext.current?.compositingOperation = .clear
-        NSBezierPath(ovalIn: NSRect(x: 10.9, y: 11.2, width: 3.2, height: 3.2)).fill()
-        NSGraphicsContext.current?.compositingOperation = .sourceOver
+        let outline = NSBezierPath(
+            roundedRect: rectFromSVG(x: 15, y: 15, width: 190, height: 190),
+            xRadius: 44 * scale,
+            yRadius: 44 * scale
+        )
+        outline.lineWidth = 11 * scale
+        outline.stroke()
+
+        for rect in [
+            rectFromSVG(x: 49, y: 134, width: 27, height: 27),
+            rectFromSVG(x: 92, y: 134, width: 27, height: 27),
+            rectFromSVG(x: 49, y: 91, width: 27, height: 27),
+            rectFromSVG(x: 92, y: 91, width: 27, height: 27),
+            rectFromSVG(x: 49, y: 48, width: 27, height: 27),
+            rectFromSVG(x: 92, y: 48, width: 27, height: 27)
+        ] {
+            NSBezierPath(roundedRect: rect, xRadius: 8 * scale, yRadius: 8 * scale).fill()
+        }
+
+        for rect in [
+            rectFromSVG(x: 132, y: 133, width: 47, height: 28),
+            rectFromSVG(x: 132, y: 90.5, width: 47, height: 28),
+            rectFromSVG(x: 132, y: 48, width: 47, height: 28)
+        ] {
+            NSBezierPath(roundedRect: rect, xRadius: 12 * scale, yRadius: 12 * scale).fill()
+        }
 
         image.isTemplate = true
         image.accessibilityDescription = "TagLauncher"
@@ -273,7 +628,10 @@
     }
 
     private var showAppListMenuTitle: String {
-        "\(tr("menu.showAppList"))  \(Self.showAppListShortcutGlyphs)"
+        if LauncherHotkeyRegistrationStore.state(for: .main) == .failed {
+            return tr("menu.showShortcutUnavailable")
+        }
+        return "\(tr("menu.showAppList"))  \(LauncherHotkey.main.displayString)"
     }
 
     private func observeApplicationMenuChanges() {
@@ -308,6 +666,7 @@
             }
 
             self.configureApplicationMenu()
+            self.configureHelpMenu()
             if retries > 0 && self.applicationMenuNeedsCleanup() {
                 self.configureApplicationMenuWhenAvailable(retries: retries - 1)
             }
@@ -322,6 +681,7 @@
         defer { isConfiguringApplicationMenu = false }
 
         removeUnusedDefaultItems(from: appMenu)
+        configurePreferencesMenuItem(in: appMenu)
         upsertShowAppListItem(in: appMenu)
         normalizeSeparators(in: appMenu)
     }
@@ -371,16 +731,37 @@
 
     private func configureShowAppListItem(_ item: NSMenuItem) {
         item.title = showAppListMenuTitle
-        item.action = #selector(toggleOverlay)
+        item.action = #selector(toggleOverlayFromStatusMenu(_:))
         item.target = self
         item.keyEquivalent = ""
         item.keyEquivalentModifierMask = []
         item.isEnabled = true
     }
 
+    private func configurePreferencesMenuItem(in menu: NSMenu) {
+        let item: NSMenuItem
+        if let existingItem = menu.items.first(where: { isSettingsMenuItem($0) }) {
+            item = existingItem
+        } else {
+            item = NSMenuItem()
+            if let firstSeparatorIndex = menu.items.firstIndex(where: { $0.isSeparatorItem }) {
+                menu.insertItem(item, at: firstSeparatorIndex)
+            } else {
+                menu.addItem(item)
+            }
+        }
+
+        item.title = tr("menu.preferences")
+        item.action = #selector(openPreferences(_:))
+        item.target = self
+        item.keyEquivalent = ","
+        item.keyEquivalentModifierMask = .command
+        item.isEnabled = true
+    }
+
     private func isSettingsMenuItem(_ item: NSMenuItem) -> Bool {
         item.action == Selector(("showSettingsWindow:"))
-            || item.action == #selector(openPreferences)
+            || item.action == #selector(openPreferences(_:))
             || item.title == tr("menu.preferences")
     }
 
@@ -404,6 +785,42 @@
         }
     }
 
+    private func configureHelpMenu() {
+        guard let mainMenu = NSApp.mainMenu else { return }
+        NSApp.helpMenu = nil
+
+        for item in mainMenu.items.reversed() {
+            let isHelpMenu = item.identifier == Self.helpMenuItemIdentifier
+                || item.title.localizedCaseInsensitiveContains("help")
+                || item.title == tr("menu.help")
+                || item.submenu?.title.localizedCaseInsensitiveContains("help") == true
+                || item.submenu?.title == tr("menu.help")
+            if isHelpMenu {
+                mainMenu.removeItem(item)
+            }
+        }
+
+        let menuItem = NSMenuItem(title: tr("menu.help"), action: nil, keyEquivalent: "")
+        let helpMenu = NSMenu(title: tr("menu.help"))
+        menuItem.identifier = Self.helpMenuItemIdentifier
+        menuItem.submenu = helpMenu
+
+        let downloadItem = NSMenuItem()
+        downloadItem.identifier = Self.downloadHelpMenuItemIdentifier
+        downloadItem.title = tr("help.downloadPDF")
+        downloadItem.action = #selector(openLocalizedHelp(_:))
+        downloadItem.target = self
+        downloadItem.keyEquivalent = ""
+        downloadItem.keyEquivalentModifierMask = []
+        downloadItem.isEnabled = true
+        helpMenu.addItem(downloadItem)
+        mainMenu.addItem(menuItem)
+    }
+
+    @objc private func openLocalizedHelp(_ sender: Any? = nil) {
+        NSWorkspace.shared.open(HelpDocument.currentURL)
+    }
+
     private func removeMenuBarItem() {
         guard let statusItem else { return }
         NSStatusBar.system.removeStatusItem(statusItem)
@@ -412,41 +829,142 @@
 
     // MARK: - Overlay Window
 
-    @objc private func toggleOverlay() {
-        if overlayWindow?.isVisible == true {
-            hideOverlay()
-        } else {
-            showOverlay()
+    @objc func toggleOverlay(_ sender: Any) {
+        performToggleOverlay(preferredScreen: nil)
+    }
+
+    @objc func toggleOverlayFromStatusMenu(_ sender: Any) {
+        let preferredScreen = statusMenuScreenForNextOverlay
+        statusMenuScreenForNextOverlay = nil
+        DispatchQueue.main.async { [weak self] in
+            self?.performToggleOverlay(preferredScreen: preferredScreen)
         }
     }
 
-    private func showOverlay() {
-        // Use the screen under the mouse cursor — works in fullscreen spaces
-        let mousePoint = NSEvent.mouseLocation
-        guard let screen = NSScreen.screens.first(where: {
-            NSMouseInRect(mousePoint, $0.frame, false)
-        }) ?? NSScreen.main ?? NSScreen.screens.first else { return }
+    private func performToggleOverlay(preferredScreen: NSScreen?) {
+        overlayController.toggle(preferredScreen: preferredScreen)
+    }
 
-        overlayWindow?.orderOut(nil)
-        overlayWindow = makeOverlayWindow(on: screen)
-        overlayWindow?.setFrame(screen.frame, display: true)
-        overlayWindow?.level = NSWindow.Level(rawValue: Int(CGWindowLevelForKey(.maximumWindow)))
+    private func showOrFocusOverlay(preferredScreen: NSScreen? = nil) {
+        overlayController.showOrFocus(preferredScreen: preferredScreen)
+    }
 
-        installOverlayKeyMonitor()
-
-        overlayWindow?.makeKeyAndOrderFront(nil)
-        overlayWindow?.orderFrontRegardless()
+    private func showOverlay(
+        initialQuickSearchSource: String? = nil,
+        preferredScreen: NSScreen? = nil,
+        stagedForAllSpaces: Bool = false
+    ) {
+        if initialQuickSearchSource == QuickSearchOpenSource.globalHidden {
+            isQuickSearchOpen = true
+            quickSearchShouldHideOverlayOnClose = true
+            quickSearchOnlyOverlaySession = true
+        }
+        overlayController.show(
+            initialQuickSearchSource: initialQuickSearchSource,
+            preferredScreen: preferredScreen,
+            stagedForAllSpaces: stagedForAllSpaces
+        )
     }
 
     private func installOverlayKeyMonitor() {
         guard overlayKeyMonitor == nil else { return }
         overlayKeyMonitor = NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
-            if event.keyCode == 53 { // Escape
-                self?.hideOverlay()
+            guard let self else { return event }
+            if self.handleOverlayKeyEvent(event) {
                 return nil
             }
             return event
         }
+    }
+
+    @discardableResult
+    private func handleOverlayKeyEvent(_ event: NSEvent) -> Bool {
+        guard event.type == .keyDown else { return false }
+
+        if event.keyCode == UInt16(kVK_Escape),
+           isQuickSearchOpen || quickSearchOnlyOverlaySession {
+            return handleOverlayEscapeKey()
+        }
+
+        guard shouldHandleOverlayKeyEvent(event) else { return false }
+
+        if event.keyCode == UInt16(kVK_Escape) {
+            return handleOverlayEscapeKey()
+        }
+        if shouldOpenQuickSearch(for: event) {
+            requestQuickSearch(source: QuickSearchOpenSource.mainOverlay)
+            return true
+        }
+        return false
+    }
+
+    private func handleOverlayEscapeKey() -> Bool {
+        if isQuickSearchOpen || quickSearchOnlyOverlaySession {
+            dismissQuickSearchFromKeyboard()
+            return true
+        }
+        guard !isSettingsVisible,
+              !isEditingAppNote,
+              !isModalInteractionActive
+        else { return false }
+        hideOverlay(force: true)
+        return true
+    }
+
+    private func dismissQuickSearchFromKeyboard() {
+        let shouldHideOverlayAfterDismiss = quickSearchShouldHideOverlayOnClose || quickSearchOnlyOverlaySession
+        isQuickSearchOpen = false
+        removeQuickSearchExternalMouseMonitor()
+        updateOverlayLevelForTextInput()
+        NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+        if shouldHideOverlayAfterDismiss {
+            quickSearchShouldHideOverlayOnClose = false
+            quickSearchOnlyOverlaySession = false
+            DispatchQueue.main.async { [weak self] in
+                self?.hideOverlay(force: true)
+            }
+        }
+    }
+
+    private func requestQuickSearch(source: String) {
+        isQuickSearchOpen = true
+        quickSearchShouldHideOverlayOnClose = quickSearchShouldHideOverlayOnClose
+            || source == QuickSearchOpenSource.globalHidden
+        quickSearchOnlyOverlaySession = quickSearchOnlyOverlaySession
+            || source == QuickSearchOpenSource.globalHidden
+        promoteOverlayToForegroundInput()
+        updateOverlayLevelForTextInput()
+        installQuickSearchExternalMouseMonitor()
+        DispatchQueue.main.async {
+            NotificationCenter.default.post(
+                name: .tagLauncherQuickSearchRequested,
+                object: nil,
+                userInfo: ["source": source]
+            )
+        }
+    }
+
+    private func shouldHandleOverlayKeyEvent(_ event: NSEvent) -> Bool {
+        guard overlayWindow?.isVisible == true else { return false }
+        if !isSettingsVisible && NSApp.isActive {
+            return true
+        }
+        if event.window == overlayWindow { return true }
+        return event.window == nil && NSApp.keyWindow == overlayWindow
+    }
+
+    private func shouldOpenQuickSearch(for event: NSEvent) -> Bool {
+        guard event.keyCode == UInt16(kVK_Space),
+              !event.isARepeat,
+              event.modifierFlags.intersection(.deviceIndependentFlagsMask).isEmpty,
+              overlayWindow?.isVisible == true,
+              !isQuickSearchOpen,
+              !isInEditMode,
+              !isEditingAppNote,
+              !isModalInteractionActive
+        else { return false }
+
+        return true
     }
 
     private func removeOverlayKeyMonitor() {
@@ -456,93 +974,88 @@
         }
     }
 
-    private func makeOverlayWindow(on screen: NSScreen) -> NSWindow {
-        let panel = OverlayPanel(
-            contentRect: screen.frame,
-            styleMask: [.borderless, .fullSizeContentView, .nonactivatingPanel],
-            backing: .buffered,
-            defer: false
-        )
-        panel.isFloatingPanel = true
-        panel.hidesOnDeactivate = false
-        panel.collectionBehavior = [
-            .moveToActiveSpace,
-            .fullScreenAuxiliary,
-            .stationary,
-            .transient,
-            .ignoresCycle
-        ]
-        panel.isOpaque = false
-        panel.backgroundColor = .clear
-        panel.hasShadow = false
-        panel.titlebarAppearsTransparent = true
-        panel.titleVisibility = .hidden
-        panel.isReleasedWhenClosed = false
-        panel.contentView = DismissibleHostingView(
-            rootView: ContentView(hideOverlay: { [weak self] in
-                self?.hideOverlay(force: true)
-            }),
-            onBackdropTap: { [weak self] in
-                self?.hideOverlay()
-            }
-        )
-        return panel
+    private func hideOverlay(force: Bool = false, discardWindow: Bool = false) {
+        overlayController.hide(force: force, discardWindow: discardWindow)
     }
 
-    private func hideOverlay(force: Bool = false) {
-        guard force || !isInEditMode else { return }
-        if let settingsWindow, settingsWindow.parent == overlayWindow {
-            detachSettingsWindow(settingsWindow)
-        }
-        overlayWindow?.orderOut(nil)
-        removeOverlayKeyMonitor()
-        if force {
-            overlayWindow = nil
-        }
+    // MARK: - Global Hotkeys
+
+    private func registerConfiguredHotkeys() {
+        installHotkeyEventHandlerIfNeeded()
+        registerFixedHotkey(.main)
+        registerFixedHotkey(.quickSearch)
     }
 
-    // MARK: - Global Hotkey (Shift+Option+Space)
+    private func registerFixedHotkey(_ kind: LauncherHotkeyKind) {
+        unregisterHotkey(for: kind)
+        let hotkey = kind.hotkey
 
-    /// Carbon RegisterEventHotKey. If it fails (sandbox, etc.), falls back to menu bar only.
-    private func registerHotkey() {
         var hotkeyID = EventHotKeyID()
         hotkeyID.signature = OSType(0x41505447) // 'APTG'
-        hotkeyID.id = 1
+        hotkeyID.id = kind.eventID
 
-        let modifiers = UInt32(shiftKey | optionKey)
-
-        var ref: EventHotKeyRef?
+        var newRef: EventHotKeyRef?
         let status = RegisterEventHotKey(
-            UInt32(kVK_Space),
-            modifiers,
+            hotkey.keyCode,
+            hotkey.modifiers,
             hotkeyID,
             GetApplicationEventTarget(),
             0,
-            &ref
+            &newRef
         )
-        hotkeyRef = ref
 
-        if status != noErr {
-            print("[TagLauncher] Hotkey registration failed: \(status). Falling back to menu bar only.")
-            return
+        if status == noErr, let newRef {
+            setHotkeyRef(newRef, for: kind)
+            LauncherHotkeyRegistrationStore.setActive(for: kind)
+        } else {
+            setHotkeyRef(nil, for: kind)
+            LauncherHotkeyRegistrationStore.setFailed(status, for: kind)
+            print("[TagLauncher] Fixed hotkey registration failed for \(kind.rawValue): \(status)")
         }
+    }
+
+    private func observeHotkeyStatusChanges() {
+        NotificationCenter.default.addObserver(
+            forName: .tagLauncherHotkeyRegistrationChanged,
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            self?.setupMenuBar()
+            self?.configureApplicationMenuWhenAvailable(retries: 2)
+        }
+    }
+
+    private func installHotkeyEventHandlerIfNeeded() {
+        guard !hotkeyEventHandlerInstalled else { return }
+        hotkeyEventHandlerInstalled = true
 
         var eventSpec = EventTypeSpec(
             eventClass: OSType(kEventClassKeyboard),
             eventKind: UInt32(kEventHotKeyPressed)
         )
-
         let selfPtr = Unmanaged.passUnretained(self).toOpaque()
 
         InstallEventHandler(
             GetApplicationEventTarget(),
-            { (_, _, userData) -> OSStatus in
-                guard let userData else { return noErr }
+            { (_, event, userData) -> OSStatus in
+                guard let event, let userData else { return noErr }
+                var hotkeyID = EventHotKeyID()
+                let status = GetEventParameter(
+                    event,
+                    EventParamName(kEventParamDirectObject),
+                    EventParamType(typeEventHotKeyID),
+                    nil,
+                    MemoryLayout<EventHotKeyID>.size,
+                    nil,
+                    &hotkeyID
+                )
+                guard status == noErr else { return noErr }
+
                 let delegate = Unmanaged<AppDelegate>
                     .fromOpaque(userData)
                     .takeUnretainedValue()
                 DispatchQueue.main.async {
-                    delegate.toggleOverlay()
+                    delegate.handleHotkeyEvent(id: hotkeyID.id)
                 }
                 return noErr
             },
@@ -551,6 +1064,64 @@
             selfPtr,
             nil
         )
+    }
+
+    private func handleHotkeyEvent(id: UInt32) {
+        if id == LauncherHotkeyKind.quickSearch.eventID {
+            showQuickSearchFromGlobalHotkey()
+        } else {
+            performToggleOverlay(preferredScreen: nil)
+        }
+    }
+
+    private func showQuickSearchFromGlobalHotkey() {
+        let now = Date()
+        if overlayWindow?.isVisible == true, isQuickSearchOpen || quickSearchOnlyOverlaySession {
+            lastQuickSearchHotkeyAt = now
+            dismissQuickSearchFromKeyboard()
+            return
+        }
+
+        if now.timeIntervalSince(lastQuickSearchHotkeyAt) < 0.28 {
+            promoteOverlayToForegroundInput()
+            updateOverlayLevelForTextInput()
+            return
+        }
+        lastQuickSearchHotkeyAt = now
+
+        if overlayWindow?.isVisible == true {
+            refreshLauncherChromeState(
+                activate: !overlayAvoidsSpaceSwitch,
+                avoidSpaceSwitch: overlayAvoidsSpaceSwitch
+            )
+            requestQuickSearch(source: QuickSearchOpenSource.globalVisible)
+            return
+        }
+        isQuickSearchOpen = true
+        quickSearchShouldHideOverlayOnClose = true
+        quickSearchOnlyOverlaySession = true
+        showOverlay(initialQuickSearchSource: QuickSearchOpenSource.globalHidden)
+    }
+
+    private func hotkeyRef(for kind: LauncherHotkeyKind) -> EventHotKeyRef? {
+        switch kind {
+        case .main: return mainHotkeyRef
+        case .quickSearch: return quickSearchHotkeyRef
+        }
+    }
+
+    private func setHotkeyRef(_ ref: EventHotKeyRef?, for kind: LauncherHotkeyKind) {
+        switch kind {
+        case .main: mainHotkeyRef = ref
+        case .quickSearch: quickSearchHotkeyRef = ref
+        }
+    }
+
+    private func unregisterHotkey(for kind: LauncherHotkeyKind) {
+        if let ref = hotkeyRef(for: kind) {
+            UnregisterEventHotKey(ref)
+            setHotkeyRef(nil, for: kind)
+        }
     }
 
     // MARK: - Preferences
@@ -569,6 +1140,23 @@
                   !self.isInEditMode
             else { return }
 
+            if self.isSettingsOwnedPanel(keyWindow) {
+                return
+            }
+
+            if self.isMenuTrackingWindow(keyWindow) {
+                return
+            }
+
+            if self.isAppOwnedDocumentWindow(keyWindow) {
+                self.prepareSettingsWindow(keyWindow)
+                return
+            }
+
+            if NSApp.windows.contains(keyWindow) {
+                return
+            }
+
             // Settings/Preferences window -> float it above overlay for real-time preview.
             if self.isSettingsWindowCandidate(keyWindow) {
                 self.prepareSettingsWindow(keyWindow)
@@ -581,7 +1169,8 @@
 
     /// Settings must always appear centered over the current overlay view and float above it.
     private func prepareSettingsWindow(_ window: NSWindow) {
-        let settingsSize = NSSize(width: 880, height: 460)
+        dismissQuickSearchIfNeeded()
+        let settingsSize = NSSize(width: 1000, height: 480)
         window.identifier = NSUserInterfaceItemIdentifier("TagLauncherPreferencesWindow")
         window.minSize = settingsSize
         window.maxSize = settingsSize
@@ -604,11 +1193,20 @@
 
         var behavior = window.collectionBehavior
         behavior.remove(.canJoinAllSpaces)
-        behavior.formUnion([.fullScreenAuxiliary, .moveToActiveSpace])
+        if overlayAvoidsSpaceSwitch {
+            behavior.remove(.moveToActiveSpace)
+            behavior.formUnion([.fullScreenAuxiliary, .stationary, .transient, .ignoresCycle])
+        } else {
+            behavior.formUnion([.fullScreenAuxiliary, .moveToActiveSpace])
+        }
         window.collectionBehavior = behavior
         window.makeKeyAndOrderFront(nil)
         window.orderFrontRegardless()
         settingsWindow = window
+        refreshLauncherChromeState(
+            activate: !overlayAvoidsSpaceSwitch,
+            avoidSpaceSwitch: overlayAvoidsSpaceSwitch
+        )
     }
 
     private func attachSettingsWindow(_ window: NSWindow, to overlayWindow: NSWindow) {
@@ -625,12 +1223,56 @@
     private func isSettingsWindowCandidate(_ window: NSWindow) -> Bool {
         if window == settingsWindow { return true }
         if window.identifier?.rawValue == "TagLauncherPreferencesWindow" { return true }
+        if isAppOwnedDocumentWindow(window) { return true }
         guard NSApp.windows.contains(window),
               window != overlayWindow,
               window.isVisible,
               !(window is NSPanel)
         else { return false }
-        return true
+        return settingsWindowTitleCandidates().contains(normalizedWindowTitle(window.title))
+    }
+
+    private func isAppOwnedDocumentWindow(_ window: NSWindow) -> Bool {
+        NSApp.windows.contains(window)
+            && window != overlayWindow
+            && window.isVisible
+            && !(window is NSPanel)
+            && !isMenuTrackingWindow(window)
+            && window.styleMask.contains(.titled)
+    }
+
+    private func isMenuTrackingWindow(_ window: NSWindow) -> Bool {
+        let className = NSStringFromClass(type(of: window))
+        return className.localizedCaseInsensitiveContains("Menu")
+            || className.localizedCaseInsensitiveContains("Popup")
+    }
+
+    private func settingsWindowTitleCandidates() -> Set<String> {
+        let keys = [
+            "menu.preferences",
+            "settings.language",
+            "settings.general",
+            "quickSearch.hotkeys",
+            "settings.tags",
+            "settings.data",
+            "settings.about"
+        ]
+        return Set(keys.map { normalizedWindowTitle(tr($0)) })
+    }
+
+    private func normalizedWindowTitle(_ title: String) -> String {
+        title
+            .replacingOccurrences(of: "…", with: "")
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    private func isSettingsOwnedPanel(_ window: NSWindow) -> Bool {
+        guard window is NSPanel else { return false }
+        if window is NSSavePanel { return true }
+        guard let settingsWindow else { return false }
+        return window.sheetParent == settingsWindow
+            || settingsWindow.attachedSheet == window
+            || window.parent == settingsWindow
     }
 
     private func center(_ window: NSWindow, over rect: NSRect) {
@@ -643,10 +1285,7 @@
     }
 
     private func screenUnderMouse() -> NSScreen? {
-        let mousePoint = NSEvent.mouseLocation
-        return NSScreen.screens.first(where: {
-            NSMouseInRect(mousePoint, $0.frame, false)
-        }) ?? NSScreen.main ?? NSScreen.screens.first
+        overlayController.screenUnderMouse()
     }
 
     /// Clean up settingsWindow reference when the Settings window closes.
@@ -660,8 +1299,18 @@
                   let closingWindow = notification.object as? NSWindow,
                   closingWindow == self.settingsWindow
             else { return }
+            let shouldRefocusOverlay = self.isOverlayVisible
+            let preferredScreen = self.overlayWindow?.screen
             self.detachSettingsWindow(closingWindow)
             self.settingsWindow = nil
+            self.refreshLauncherChromeState(
+                activate: shouldRefocusOverlay && !self.overlayAvoidsSpaceSwitch,
+                avoidSpaceSwitch: self.overlayAvoidsSpaceSwitch
+            )
+            guard shouldRefocusOverlay else { return }
+            DispatchQueue.main.asyncAfter(deadline: .now() + 0.12) { [weak self] in
+                self?.showOrFocusOverlay(preferredScreen: preferredScreen)
+            }
         }
     }
 
@@ -676,27 +1325,204 @@
         }
     }
 
-    @objc private func openPreferences() {
+    /// Keep text-input overlays at the launcher level so Quick Search stays visible in fullscreen Spaces.
+    private func observeAppNoteEditing() {
+        NotificationCenter.default.addObserver(
+            forName: .tagLauncherAppNoteEditingChanged,
+            object: nil,
+            queue: .main
+        ) { [weak self] notification in
+            guard let self else { return }
+            self.isEditingAppNote = (notification.userInfo?["active"] as? Bool) ?? false
+            if self.isEditingAppNote {
+                self.promoteOverlayToForegroundInput()
+            }
+            self.updateOverlayLevelForTextInput()
+        }
+    }
+
+    private func promoteOverlayToForegroundInput() {
+        if overlayAvoidsSpaceSwitch {
+            refreshLauncherChromeState(activate: false, avoidSpaceSwitch: true)
+            guard let overlayWindow else { return }
+            overlayWindow.makeKeyAndOrderFront(nil)
+            overlayWindow.orderFrontRegardless()
+            return
+        }
+        if quickSearchOnlyOverlaySession && !UserDefaults.standard.bool(forKey: Self.showDockIconKey) {
+            refreshLauncherChromeState(activate: false)
+            guard let overlayWindow else { return }
+            NSApp.activate(ignoringOtherApps: true)
+            overlayWindow.makeKeyAndOrderFront(nil)
+            overlayWindow.orderFrontRegardless()
+            return
+        }
+        beginLauncherForegroundOwnership()
+        guard let overlayWindow else { return }
+        overlayWindow.makeKeyAndOrderFront(nil)
+        overlayWindow.orderFrontRegardless()
+    }
+
+    private func observeQuickSearch() {
+        NotificationCenter.default.addObserver(
+            forName: .tagLauncherQuickSearchVisibilityChanged,
+            object: nil,
+            queue: .main
+        ) { [weak self] notification in
+            guard let self else { return }
+            let active = (notification.userInfo?["active"] as? Bool) ?? false
+            let hideOverlayOnClose = (notification.userInfo?["hideOverlayOnClose"] as? Bool) ?? false
+            self.isQuickSearchOpen = active
+            if active, hideOverlayOnClose {
+                self.quickSearchShouldHideOverlayOnClose = true
+                self.quickSearchOnlyOverlaySession = true
+            }
+            if self.isQuickSearchOpen {
+                self.promoteOverlayToForegroundInput()
+            }
+            self.updateOverlayLevelForTextInput()
+            if self.isQuickSearchOpen {
+                self.installQuickSearchExternalMouseMonitor()
+            } else {
+                self.removeQuickSearchExternalMouseMonitor()
+                if hideOverlayOnClose || self.quickSearchShouldHideOverlayOnClose {
+                    self.quickSearchShouldHideOverlayOnClose = false
+                    self.quickSearchOnlyOverlaySession = false
+                    self.hideOverlay(force: true)
+                }
+            }
+        }
+
+        NotificationCenter.default.addObserver(
+            forName: .tagLauncherModalInteractionChanged,
+            object: nil,
+            queue: .main
+        ) { [weak self] notification in
+            self?.isModalInteractionActive = (notification.userInfo?["active"] as? Bool) ?? false
+        }
+
+        NotificationCenter.default.addObserver(
+            forName: NSApplication.didResignActiveNotification,
+            object: NSApp,
+            queue: .main
+        ) { [weak self] _ in
+            self?.handleApplicationDidResignActive()
+        }
+    }
+
+    private func installQuickSearchExternalMouseMonitor() {
+        installQuickSearchLocalMouseMonitor()
+        guard quickSearchExternalMouseMonitor == nil else { return }
+        quickSearchExternalMouseMonitor = NSEvent.addGlobalMonitorForEvents(
+            matching: [.leftMouseDown, .rightMouseDown, .otherMouseDown]
+        ) { [weak self] _ in
+            DispatchQueue.main.async {
+                guard self?.isQuickSearchOpen == true else { return }
+                NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+            }
+        }
+    }
+
+    private func installQuickSearchLocalMouseMonitor() {
+        guard quickSearchLocalMouseMonitor == nil else { return }
+        quickSearchLocalMouseMonitor = NSEvent.addLocalMonitorForEvents(
+            matching: [.leftMouseDown, .rightMouseDown, .otherMouseDown]
+        ) { [weak self] event in
+            guard let self, self.isQuickSearchOpen else { return event }
+            if event.window === self.overlayWindow {
+                NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+                return nil
+            }
+            return event
+        }
+    }
+
+    private func removeQuickSearchExternalMouseMonitor() {
+        if let quickSearchLocalMouseMonitor {
+            NSEvent.removeMonitor(quickSearchLocalMouseMonitor)
+            self.quickSearchLocalMouseMonitor = nil
+        }
+        if let quickSearchExternalMouseMonitor {
+            NSEvent.removeMonitor(quickSearchExternalMouseMonitor)
+            self.quickSearchExternalMouseMonitor = nil
+        }
+    }
+
+    private func updateOverlayLevelForTextInput() {
+        guard let overlayWindow else { return }
+        overlayWindow.level = currentOverlayLevel
+        if let settingsWindow, settingsWindow.parent == overlayWindow {
+            settingsWindow.level = overlayWindow.level
+        }
+    }
+
+    /// The overlay buttons live inside SwiftUI; use an app-level notification like edit mode does.
+    private func observePreferencesRequests() {
+        NotificationCenter.default.addObserver(
+            forName: .tagLauncherOpenPreferencesRequested,
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            self?.openPreferences()
+        }
+    }
+
+    private func observeExternalActivationRequests() {
+        DistributedNotificationCenter.default().addObserver(
+            self,
+            selector: #selector(handleExternalActivationRequest(_:)),
+            name: Self.externalActivationNotification,
+            object: Self.externalActivationObject
+        )
+    }
+
+    @objc private func handleExternalActivationRequest(_ notification: Notification) {
+        let shouldShowOverlay = notification.userInfo?["showOverlay"] as? Bool ?? true
+        guard shouldShowOverlay else { return }
+        showOrFocusOverlay()
+    }
+
+    @objc private func openPreferences(_ sender: Any? = nil) {
+        dismissQuickSearchIfNeeded()
+        TagDatabase.flushPendingCategorySchemeBackupBatch()
+        if overlayAvoidsSpaceSwitch {
+            refreshLauncherChromeState(activate: false, avoidSpaceSwitch: true)
+        } else {
+            beginLauncherForegroundOwnership()
+        }
         // Don't hide overlay — keep it visible for real-time setting preview.
         if let overlayWindow, overlayWindow.isVisible {
             overlayWindow.makeKeyAndOrderFront(nil)
             overlayWindow.orderFrontRegardless()
         }
-        NSApp.sendAction(Selector(("showSettingsWindow:")), to: nil, from: nil)
-        prepareSettingsWindowWhenAvailable(retries: 10)
+
+        if let settingsWindow {
+            prepareSettingsWindow(settingsWindow)
+            return
+        }
+
+        let settingsSize = NSSize(width: 1000, height: 480)
+        let window = NSWindow(
+            contentRect: NSRect(origin: .zero, size: settingsSize),
+            styleMask: [.titled, .closable],
+            backing: .buffered,
+            defer: false
+        )
+        window.title = tr("menu.preferences").replacingOccurrences(of: "…", with: "")
+        window.contentView = NSHostingView(rootView: PreferencesView())
+        window.isReleasedWhenClosed = false
+        settingsWindow = window
+        prepareSettingsWindow(window)
     }
 
-    private func prepareSettingsWindowWhenAvailable(retries: Int) {
-        DispatchQueue.main.asyncAfter(deadline: .now() + 0.03) { [weak self] in
-            guard let self else { return }
-            let candidates = NSApp.windows.filter { window in
-                self.isSettingsWindowCandidate(window)
-            }
-            candidates.forEach { self.prepareSettingsWindow($0) }
-            if candidates.isEmpty && retries > 0 {
-                self.prepareSettingsWindowWhenAvailable(retries: retries - 1)
-            }
-        }
+    private func dismissQuickSearchIfNeeded() {
+        guard isQuickSearchOpen else { return }
+        isQuickSearchOpen = false
+        removeQuickSearchExternalMouseMonitor()
+        updateOverlayLevelForTextInput()
+        quickSearchShouldHideOverlayOnClose = false
+        quickSearchOnlyOverlaySession = false
+        NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
     }
 
     @objc private func switchLanguage(_ sender: NSMenuItem) {
@@ -709,19 +1535,46 @@
 
 final class DismissibleHostingView<Content: View>: NSHostingView<Content> {
     private let onBackdropTap: () -> Void
+    private var modalInteractionSuppressesBackdropDismiss = false
+    private var quickSearchSuppressesBackdropDismiss = false
+    private var modalInteractionObserver: NSObjectProtocol?
+    private var quickSearchVisibilityObserver: NSObjectProtocol?
+
+    private var suppressBackdropDismiss: Bool {
+        modalInteractionSuppressesBackdropDismiss || quickSearchSuppressesBackdropDismiss
+    }
 
     @MainActor required init(rootView: Content) {
         self.onBackdropTap = {}
         super.init(rootView: rootView)
+        installWindowServerAnchorLayer()
+        observeBackdropDismissSuppressionChanges()
     }
 
     init(rootView: Content, onBackdropTap: @escaping () -> Void) {
         self.onBackdropTap = onBackdropTap
         super.init(rootView: rootView)
+        installWindowServerAnchorLayer()
+        observeBackdropDismissSuppressionChanges()
+    }
+
+    deinit {
+        if let modalInteractionObserver {
+            NotificationCenter.default.removeObserver(modalInteractionObserver)
+        }
+        if let quickSearchVisibilityObserver {
+            NotificationCenter.default.removeObserver(quickSearchVisibilityObserver)
+        }
     }
 
     @available(*, unavailable)
     required init?(coder: NSCoder) { fatalError() }
+
+    private func installWindowServerAnchorLayer() {
+        wantsLayer = true
+        // A near-transparent backing pixel makes the WindowServer publish the panel immediately.
+        layer?.backgroundColor = NSColor.black.withAlphaComponent(0.001).cgColor
+    }
 
     override func mouseDown(with event: NSEvent) {
         let location = convert(event.locationInWindow, from: nil)
@@ -730,7 +1583,19 @@
             return
         }
         if hit == self {
+            if quickSearchSuppressesBackdropDismiss {
+                NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+                return
+            }
+            if suppressBackdropDismiss {
+                super.mouseDown(with: event)
+                return
+            }
             onBackdropTap()
+            return
+        }
+        if let floatingButton = findFloatingIconButton(at: event.locationInWindow, in: self) {
+            floatingButton.mouseDown(with: event)
             return
         }
         // Recursively search hit subtree for TextFieldContainer or NSTextField.
@@ -745,12 +1610,25 @@
             tf.mouseDown(with: event)
             return
         }
-        // Forward to any other NSControl we find
-        if let control = findNSControl(in: hit) {
-            control.mouseDown(with: event)
-            return
-        }
         super.mouseDown(with: event)
+    }
+
+    private func observeBackdropDismissSuppressionChanges() {
+        modalInteractionObserver = NotificationCenter.default.addObserver(
+            forName: .tagLauncherModalInteractionChanged,
+            object: nil,
+            queue: .main
+        ) { [weak self] notification in
+            self?.modalInteractionSuppressesBackdropDismiss = (notification.userInfo?["active"] as? Bool) ?? false
+        }
+
+        quickSearchVisibilityObserver = NotificationCenter.default.addObserver(
+            forName: .tagLauncherQuickSearchVisibilityChanged,
+            object: nil,
+            queue: .main
+        ) { [weak self] notification in
+            self?.quickSearchSuppressesBackdropDismiss = (notification.userInfo?["active"] as? Bool) ?? false
+        }
     }
 
     private func findTextFieldContainer(in view: NSView) -> TextFieldContainer? {
@@ -769,549 +1647,18 @@
         return nil
     }
 
-    private func findNSControl(in view: NSView) -> NSControl? {
-        if let control = view as? NSControl { return control }
-        for sub in view.subviews {
-            if let found = findNSControl(in: sub) { return found }
+    private func findFloatingIconButton(at windowPoint: NSPoint, in view: NSView) -> FloatingIconButtonView? {
+        for subview in view.subviews.reversed() where !subview.isHidden {
+            if let found = findFloatingIconButton(at: windowPoint, in: subview) {
+                return found
+            }
+        }
+        guard let floatingButton = view as? FloatingIconButtonView else { return nil }
+        let localPoint = floatingButton.convert(windowPoint, from: nil)
+        if floatingButton.bounds.contains(localPoint) {
+            return floatingButton
         }
         return nil
     }
-}
 
-// MARK: - Preferences View
-
-struct PreferencesView: View {
-    private let settingsWindowWidth: CGFloat = 880
-    private let settingsContentWidth: CGFloat = 820
-    private let generalContentWidth: CGFloat = 720
-    private let generalLabelWidth: CGFloat = 190
-    private let generalControlWidth: CGFloat = 500
-    private let compactPickerWidth: CGFloat = 320
-
-    @AppStorage("tagFontSize") private var tagFontSize: Double = 18
-    @AppStorage("iconSize") private var iconSize: Double = 56
-    @AppStorage("tagPosition") private var tagPosition = "left"
-    @AppStorage("defaultGroupName") private var defaultGroupName = "Other"
-    @AppStorage("displayMode") private var displayMode = "flat"
-    @AppStorage("hideAppNames") private var hideAppNames = false
-    @AppStorage("showDockIcon") private var showDockIcon = false
-    @AppStorage("launchAtLogin") private var launchAtLogin = true
-    @State private var selectedLanguage = L10n.currentCode
-    @State private var isRefreshingLanguage = false
-    @State private var allApps: [AppInfo] = []
-    @State private var tagColors: [String: Int] = [:]
-
-    private func scanApps() {
-        DispatchQueue.global(qos: .userInitiated).async {
-            var apps = AppIndexer.scan()
-            let store = TagDatabase.load()
-            apps = TagEditor.annotate(apps: apps)
-            let colors = store.tags.mapValues { $0.color }
-            DispatchQueue.main.async {
-                allApps = apps
-                tagColors = colors
-            }
-        }
-    }
-
-    private func exportTags() {
-        let panel = NSSavePanel()
-        panel.title = tr("settings.export")
-        panel.nameFieldStringValue = "TagLauncher-tags.json"
-        panel.allowedContentTypes = [.json]
-        panel.begin { response in
-            guard response == .OK, let url = panel.url else { return }
-            do {
-                try TagDatabase.exportTo(url)
-            } catch {
-                fputs("[TagLauncher] Export failed: \(error)\n", stderr)
-                showDataAlert(title: tr("settings.exportFailed"), message: error.localizedDescription)
-            }
-        }
-    }
-
-    private func importTags() {
-        let panel = NSOpenPanel()
-        panel.title = tr("settings.import")
-        panel.allowedContentTypes = [.json]
-        panel.allowsMultipleSelection = false
-        panel.begin { response in
-            guard response == .OK, let url = panel.url else { return }
-            do {
-                _ = try TagDatabase.importFrom(url)
-                scanApps()
-            } catch {
-                fputs("[TagLauncher] Import failed: \(error)\n", stderr)
-                showDataAlert(title: tr("settings.importFailed"), message: error.localizedDescription)
-            }
-        }
-    }
-
-    private func showDataAlert(title: String, message: String) {
-        let alert = NSAlert()
-        alert.messageText = title
-        alert.informativeText = message
-        alert.alertStyle = .warning
-        alert.runModal()
-    }
-
-    private var appVersion: String {
-        Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "?"
-    }
-    private var buildVersion: String {
-        Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "?"
-    }
-    private var languageColumns: [GridItem] {
-        [
-            GridItem(.flexible(minimum: 220), spacing: 18, alignment: .top),
-            GridItem(.flexible(minimum: 220), spacing: 18, alignment: .top),
-        ]
-    }
-    private var displayModeColumns: [GridItem] {
-        [
-            GridItem(.flexible(minimum: 220), spacing: 10, alignment: .top),
-            GridItem(.flexible(minimum: 220), spacing: 10, alignment: .top),
-        ]
-    }
-    private var displayModeOptions: [(id: String, title: String)] {
-        [
-            ("flat", tr("settings.flat")),
-            ("container", tr("settings.container")),
-            ("coloredContainer", tr("settings.coloredContainer")),
-            ("gridContainer", tr("settings.gridContainer")),
-            ("coloredGridContainer", tr("settings.coloredGridContainer")),
-        ]
-    }
-    private var containerDisplayModeOptions: [(id: String, title: String)] {
-        Array(displayModeOptions.dropFirst())
-    }
-
-    private func generalSettingRow<Control: View>(
-        _ label: String,
-        description: String,
-        @ViewBuilder control: () -> Control
-    ) -> some View {
-        HStack(alignment: .top, spacing: 16) {
-            Text(label)
-                .font(.system(size: 14, weight: .semibold))
-                .multilineTextAlignment(.trailing)
-                .lineLimit(2)
-                .minimumScaleFactor(0.86)
-                .frame(width: generalLabelWidth, alignment: .trailing)
-                .padding(.top, 5)
-
-            VStack(alignment: .leading, spacing: 6) {
-                control()
-                    .frame(width: generalControlWidth, alignment: .leading)
-                Text(description)
-                    .font(.caption)
-                    .foregroundStyle(.secondary)
-                    .multilineTextAlignment(.leading)
-                    .fixedSize(horizontal: false, vertical: true)
-                    .frame(width: generalControlWidth, alignment: .leading)
-            }
-        }
-        .frame(width: generalContentWidth, alignment: .leading)
-    }
-
-    var body: some View {
-        ZStack {
-            TabView {
-                // Tab 1: Language
-                VStack(alignment: .leading, spacing: 10) {
-                    Text(tr("settings.language"))
-                        .font(.headline)
-                    Text(tr("settings.languageDesc"))
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-
-                    ScrollView {
-                        LazyVGrid(columns: languageColumns, alignment: .leading, spacing: 6) {
-                            ForEach(L10n.supported, id: \.code) { language in
-                                Button {
-                                    selectedLanguage = language.code
-                                } label: {
-                                    HStack(spacing: 8) {
-                                        Image(systemName: selectedLanguage == language.code ? "checkmark" : "circle")
-                                            .font(.system(size: 12, weight: .semibold))
-                                            .foregroundStyle(selectedLanguage == language.code ? Color.accentColor : Color.secondary.opacity(0.28))
-                                            .frame(width: 16)
-                                        Text(language.name)
-                                            .foregroundStyle(.primary)
-                                            .lineLimit(1)
-                                            .truncationMode(.tail)
-                                        Spacer(minLength: 0)
-                                    }
-                                    .padding(.horizontal, 8)
-                                    .padding(.vertical, 5)
-                                    .contentShape(Rectangle())
-                                }
-                                .buttonStyle(.plain)
-                                .accessibilityLabel("\(tr("settings.languagePicker")) \(language.name)")
-                            }
-                        }
-                        .padding(.vertical, 4)
-                    }
-                    .frame(maxHeight: 250)
-
-                    Spacer(minLength: 0)
-                    ShortcutHintView()
-                        .frame(maxWidth: .infinity, alignment: .center)
-                        .padding(.bottom, 2)
-                }
-                .frame(maxWidth: settingsContentWidth, alignment: .leading)
-                .tabItem { Label(tr("settings.language"), systemImage: "globe") }
-                .padding()
-
-                // Tab 2: General
-            VStack(alignment: .leading, spacing: 0) {
-                // Toggle row — centered as a rectangular block
-                HStack(spacing: 20) {
-                    if AppDelegate.supportsLaunchAtLogin {
-                        Toggle(tr("settings.launchAtLogin"), isOn: $launchAtLogin)
-                            .onChange(of: launchAtLogin) { _, enabled in
-                                if enabled {
-                                    AppDelegate.enableLaunchAtLogin()
-                                } else {
-                                    AppDelegate.disableLaunchAtLogin()
-                                }
-                            }
-                    }
-                    Toggle(tr("settings.showInDock"), isOn: $showDockIcon)
-                        .onChange(of: showDockIcon) { _, _ in
-                            AppDelegate.refreshChromeSettings()
-                        }
-                    Toggle(tr("settings.hideAppNames"), isOn: $hideAppNames)
-                }
-                .frame(maxWidth: .infinity, alignment: .center)
-                .padding(.bottom, 16)
-
-                Divider()
-                    .padding(.bottom, 16)
-
-                VStack(spacing: 18) {
-                    generalSettingRow(tr("settings.appListStyle"), description: tr("settings.flatDesc")) {
-                        VStack(spacing: 8) {
-                            DisplayModeOptionButton(
-                                mode: "flat",
-                                title: tr("settings.flat"),
-                                isSelected: displayMode == "flat"
-                            ) {
-                                displayMode = "flat"
-                            }
-
-                            LazyVGrid(columns: displayModeColumns, alignment: .leading, spacing: 8) {
-                                ForEach(containerDisplayModeOptions, id: \.id) { option in
-                                    DisplayModeOptionButton(
-                                        mode: option.id,
-                                        title: option.title,
-                                        isSelected: displayMode == option.id
-                                    ) {
-                                        displayMode = option.id
-                                    }
-                                }
-                            }
-                        }
-                        .frame(width: generalControlWidth, alignment: .leading)
-                    }
-
-                    generalSettingRow(tr("settings.tagPosition"), description: tr("settings.tagPosDesc")) {
-                        Picker("", selection: $tagPosition) {
-                            Text(tr("settings.left")).tag("left")
-                            Text(tr("settings.right")).tag("right")
-                            Text(tr("settings.top")).tag("top")
-                        }
-                        .pickerStyle(.segmented)
-                        .frame(width: compactPickerWidth, alignment: .leading)
-                    }
-
-                    generalSettingRow(tr("settings.tagFontSize"), description: tr("settings.tagFontDesc")) {
-                        Picker("", selection: $tagFontSize) {
-                            ForEach([16.0, 18.0, 20.0, 22.0, 24.0, 26.0], id: \.self) { size in
-                                Text("\(Int(size))").tag(size)
-                            }
-                        }
-                        .pickerStyle(.segmented)
-                        .frame(width: compactPickerWidth, alignment: .leading)
-                    }
-
-                    generalSettingRow(tr("settings.iconSize"), description: tr("settings.iconSizeDesc")) {
-                        Picker("", selection: $iconSize) {
-                            ForEach([40.0, 48.0, 56.0, 64.0, 72.0, 80.0], id: \.self) { size in
-                                Text("\(Int(size))").tag(size)
-                            }
-                        }
-                        .pickerStyle(.segmented)
-                        .frame(width: compactPickerWidth, alignment: .leading)
-                    }
-                }
-            }
-            .frame(maxWidth: generalContentWidth, alignment: .center)
-            .padding()
-            .tabItem { Label(tr("settings.general"), systemImage: "gearshape") }
-
-            // Tab 3: Tags
-            VStack(spacing: 0) {
-                TagEditorView(
-                    tagColors: $tagColors,
-                    excludedTagNames: ["Mac自带", defaultGroupName],
-                    onRefresh: { scanApps() }
-                )
-            }
-            .padding(.leading, 16)
-            .tabItem { Label(tr("settings.tags"), systemImage: "tag.fill") }
-            .onAppear { scanApps() }
-
-            // Tab 4: Data
-            VStack(spacing: 0) {
-                Spacer(minLength: 96)
-
-                VStack(alignment: .leading, spacing: 8) {
-                    Text(tr("settings.backup"))
-                        .font(.headline)
-                    HStack(spacing: 12) {
-                        Button(tr("settings.export")) { exportTags() }
-                            .buttonStyle(.bordered)
-                        Button(tr("settings.import")) { importTags() }
-                            .buttonStyle(.bordered)
-                    }
-                    Text(tr("settings.backupDesc"))
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-                }
-                .frame(width: 420, alignment: .leading)
-
-                Spacer(minLength: 42)
-                ShortcutHintView()
-                    .frame(maxWidth: .infinity, alignment: .center)
-                Spacer(minLength: 18)
-            }
-            .tabItem { Label(tr("settings.data"), systemImage: "externaldrive.fill") }
-            .padding()
-
-            // Tab 5: About
-            VStack(spacing: 0) {
-                Spacer(minLength: 72)
-
-                HStack {
-                    if let icon = NSImage(named: NSImage.applicationIconName) {
-                        Image(nsImage: icon)
-                            .resizable()
-                            .frame(width: 128, height: 128)
-                    }
-                    VStack(alignment: .leading, spacing: 4) {
-                        Text("TagLauncher")
-                            .font(.title2)
-                            .fontWeight(.semibold)
-                        Text(tr("app.description"))
-                            .font(.body)
-                            .foregroundStyle(.secondary)
-                        Text("\(tr("app.version")) \(appVersion) (\(tr("app.build")) \(buildVersion))")
-                            .font(.callout)
-                            .foregroundStyle(.tertiary)
-
-                        Divider()
-                            .padding(.vertical, 4)
-
-                        Text("万物之中,希望最美")
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                        Text("永桔@2026-18602102518")
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                    }
-                }
-                .frame(width: 560, alignment: .leading)
-
-                Spacer(minLength: 30)
-                ShortcutHintView()
-                    .frame(maxWidth: .infinity, alignment: .center)
-                Spacer(minLength: 18)
-            }
-            .tabItem { Label(tr("settings.about"), systemImage: "info.circle") }
-            .padding()
-            }
-            .onChange(of: selectedLanguage) { _, code in
-                L10n.switchTo(code)
-            }
-            .onReceive(NotificationCenter.default.publisher(for: .appLanguageDidChange)) { notification in
-                if let code = notification.userInfo?["code"] as? String {
-                    selectedLanguage = code
-                }
-                showLanguageRefresh()
-            }
-
-            if isRefreshingLanguage {
-                ZStack {
-                    Color(nsColor: .windowBackgroundColor)
-                        .opacity(0.84)
-                    Image(systemName: "arrow.clockwise")
-                        .font(.system(size: 30, weight: .regular))
-                        .symbolRenderingMode(.hierarchical)
-                        .foregroundStyle(.secondary)
-                }
-                .transition(.opacity)
-            }
-        }
-        .frame(width: settingsWindowWidth, height: 460)
-    }
-
-    private func showLanguageRefresh() {
-        isRefreshingLanguage = true
-        DispatchQueue.main.asyncAfter(deadline: .now() + 0.35) {
-            withAnimation(.easeOut(duration: 0.18)) {
-                isRefreshingLanguage = false
-            }
-        }
-    }
-}
-
-private struct DisplayModeOptionButton: View {
-    let mode: String
-    let title: String
-    let isSelected: Bool
-    let action: () -> Void
-
-    var body: some View {
-        Button(action: action) {
-            HStack(spacing: 7) {
-                DisplayModeGlyph(mode: mode, isSelected: isSelected)
-                    .frame(width: 24, height: 18)
-                Text(title)
-                    .font(.system(size: 13, weight: .semibold))
-                    .multilineTextAlignment(.center)
-                    .lineLimit(2)
-                    .minimumScaleFactor(0.82)
-                    .foregroundStyle(isSelected ? Color.white : Color.primary)
-                    .frame(maxWidth: .infinity)
-            }
-            .frame(maxWidth: .infinity, minHeight: 34)
-            .padding(.horizontal, 9)
-            .padding(.vertical, 2)
-            .background(
-                RoundedRectangle(cornerRadius: 7, style: .continuous)
-                    .fill(isSelected ? Color.accentColor : Color(nsColor: .controlBackgroundColor))
-            )
-            .overlay(
-                RoundedRectangle(cornerRadius: 7, style: .continuous)
-                    .stroke(isSelected ? Color.accentColor : Color.secondary.opacity(0.18), lineWidth: 1)
-            )
-            .contentShape(RoundedRectangle(cornerRadius: 7, style: .continuous))
-        }
-        .buttonStyle(.plain)
-        .accessibilityLabel(title)
-    }
-}
-
-private struct DisplayModeGlyph: View {
-    let mode: String
-    let isSelected: Bool
-
-    var body: some View {
-        switch mode {
-        case "flat":
-            HStack(spacing: 2) {
-                cell(index: 0, width: 5, height: 5, colored: false)
-                cell(index: 1, width: 5, height: 5, colored: false)
-                cell(index: 2, width: 5, height: 5, colored: false)
-            }
-        case "gridContainer", "coloredGridContainer":
-            let colored = mode == "coloredGridContainer"
-            VStack(spacing: 2) {
-                HStack(spacing: 2) {
-                    cell(index: 0, width: 7, height: 6, colored: colored)
-                    cell(index: 1, width: 7, height: 6, colored: colored)
-                }
-                HStack(spacing: 2) {
-                    cell(index: 2, width: 7, height: 6, colored: colored)
-                    cell(index: 3, width: 7, height: 6, colored: colored)
-                }
-            }
-        default:
-            let colored = mode == "coloredContainer"
-            HStack(alignment: .bottom, spacing: 2) {
-                cell(index: 0, width: 5, height: 8, colored: colored)
-                cell(index: 1, width: 5, height: 14, colored: colored)
-                cell(index: 2, width: 5, height: 10, colored: colored)
-            }
-        }
-    }
-
-    private func cell(index: Int, width: CGFloat, height: CGFloat, colored: Bool) -> some View {
-        let fill = fillColor(index: index, colored: colored)
-        let stroke = isSelected ? Color.white.opacity(0.95) : Color.secondary.opacity(0.35)
-        return RoundedRectangle(cornerRadius: 1.8, style: .continuous)
-            .fill(fill)
-            .overlay(
-                RoundedRectangle(cornerRadius: 1.8, style: .continuous)
-                    .stroke(stroke, lineWidth: 0.8)
-            )
-            .frame(width: width, height: height)
-    }
-
-    private func fillColor(index: Int, colored: Bool) -> Color {
-        if isSelected {
-            return Color.white.opacity(colored ? 0.9 : 0.18)
-        }
-        guard colored else {
-            return Color.secondary.opacity(0.12)
-        }
-        let palette: [Color] = [.green, .purple, .blue, .orange]
-        return palette[index % palette.count].opacity(0.78)
-    }
-}
-
-private struct ShortcutHintView: View {
-    var body: some View {
-        HStack(spacing: 12) {
-            ShortcutKeycap(symbol: "⌥")
-            Text("+")
-                .font(.system(size: 22, weight: .semibold))
-                .foregroundStyle(.tertiary)
-            ShortcutKeycap(symbol: "⇧")
-            Text("+")
-                .font(.system(size: 22, weight: .semibold))
-                .foregroundStyle(.tertiary)
-            SpacebarKeycap()
-        }
-        .accessibilityLabel("⌥ ⇧ Space")
-        .allowsHitTesting(false)
-    }
-}
-
-private struct ShortcutKeycap: View {
-    let symbol: String
-
-    var body: some View {
-        Text(symbol)
-            .font(.system(size: 36, weight: .medium))
-            .foregroundStyle(.secondary)
-            .frame(width: 74, height: 58)
-            .background(KeycapBackground())
-    }
-}
-
-private struct SpacebarKeycap: View {
-    var body: some View {
-        ZStack {
-            KeycapBackground()
-            Capsule()
-                .fill(Color.secondary.opacity(0.38))
-                .frame(width: 72, height: 3)
-                .offset(y: 13)
-        }
-        .frame(width: 190, height: 58)
-    }
-}
-
-private struct KeycapBackground: View {
-    var body: some View {
-        RoundedRectangle(cornerRadius: 10, style: .continuous)
-            .fill(Color(nsColor: .controlBackgroundColor))
-            .overlay(
-                RoundedRectangle(cornerRadius: 10, style: .continuous)
-                    .stroke(Color.primary.opacity(0.12), lineWidth: 1)
-            )
-            .shadow(color: .black.opacity(0.10), radius: 8, x: 0, y: 3)
-    }
 }

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