From 0fdcf539329447a3c5e988acde6d18a585c05110 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 04 Jun 2026 12:29:44 +0800
Subject: [PATCH] Add 7.8.13 App Store candidate package

---
 Apptag/ApptagApp.swift |  661 +++++++++++++++++++++++++++++++++---------------------
 1 files changed, 405 insertions(+), 256 deletions(-)

diff --git a/Apptag/ApptagApp.swift b/Apptag/ApptagApp.swift
index a4b4f7a..a70b9e2 100644
--- a/Apptag/ApptagApp.swift
+++ b/Apptag/ApptagApp.swift
@@ -17,7 +17,7 @@
         Settings {
             PreferencesView()
         }
-        .defaultSize(width: 880, height: 460)
+        .defaultSize(width: 1000, height: 480)
         .commands {
             CommandGroup(replacing: .systemServices) { }
             CommandGroup(replacing: .appVisibility) { }
@@ -27,15 +27,6 @@
 }
 
 // MARK: - App Delegate (menubar + overlay window + hotkey)
-
-final class OverlayPanel: NSPanel {
-    override var canBecomeKey: Bool { true }
-    override var canBecomeMain: Bool { true }
-
-    override func constrainFrameRect(_ frameRect: NSRect, to screen: NSScreen?) -> NSRect {
-        frameRect
-    }
-}
 
 final class AppDelegate: NSObject, NSApplicationDelegate, NSMenuDelegate {
     private static let showDockIconKey = "showDockIcon"
@@ -47,31 +38,117 @@
     private static let downloadHelpMenuItemIdentifier = NSUserInterfaceItemIdentifier("TagLauncherDownloadHelpMenuItem")
     private static let externalActivationNotification = Notification.Name("TagLauncherExternalActivationRequested")
     private static let externalActivationObject = AppIdentity.bundleIdentifier
+    private static let duplicateLaunchSuppressReopenKey = "duplicateLaunchSuppressReopenAt"
     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 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 overlayGeneration = 0
     private var suppressReopenUntil = Date.distantPast
+    private var overlayOpenedByQuickSearchOnly = false
 
-    private struct OverlayPlacementContext {
-        let screen: NSScreen
-        let frame: NSRect
+    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
+                Diagnostics.log("app.quickSearch.removeMouseMonitor", [
+                    "quickSearchOpen": self?.isQuickSearchOpen,
+                    "quickSearchOnlyOverlaySession": self?.quickSearchOnlyOverlaySession,
+                    "quickSearchShouldHideOverlayOnClose": self?.quickSearchShouldHideOverlayOnClose
+                ])
+                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: { [weak self] in
+                self?.overlayOpenedByQuickSearchOnly = false
+                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 {
@@ -139,11 +216,52 @@
         configureApplicationMenuWhenAvailable(retries: 12)
     }
 
-    /// Dock icon click → show overlay (same as menubar "Show TagLauncher")
+    /// Dock icon reopen is an explicit App Grid entry only when the user chooses to show the Dock icon.
+    /// Duplicate-instance handoff suppresses this path so repeated launches do not show App Grid.
     func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
         guard Date() >= suppressReopenUntil else { return false }
+        let lastDuplicateLaunch = UserDefaults.standard.double(forKey: Self.duplicateLaunchSuppressReopenKey)
+        if lastDuplicateLaunch > 0,
+           Date().timeIntervalSince1970 - lastDuplicateLaunch < 2.0 {
+            suppressReopenUntil = Date().addingTimeInterval(1.0)
+            return false
+        }
+        guard UserDefaults.standard.bool(forKey: Self.showDockIconKey) else { return false }
+        guard isRecentUserClickNearDockArea() else { return false }
         showOrFocusOverlay()
         return false  // Suppress default "unhide all windows" behavior
+    }
+
+    private func isRecentUserClickNearDockArea() -> Bool {
+        let lastMouseDown = CGEventSource.secondsSinceLastEventType(
+            .combinedSessionState,
+            eventType: .leftMouseDown
+        )
+        let lastMouseUp = CGEventSource.secondsSinceLastEventType(
+            .combinedSessionState,
+            eventType: .leftMouseUp
+        )
+        let recentMouseClick = min(lastMouseDown, lastMouseUp) < 1.2
+        return recentMouseClick && isPointerNearDockArea()
+    }
+
+    private func isPointerNearDockArea() -> Bool {
+        let mouse = NSEvent.mouseLocation
+        return NSScreen.screens.contains { screen in
+            let frame = screen.frame
+            let visible = screen.visibleFrame
+            guard NSMouseInRect(mouse, frame, false) else { return false }
+            let bottomDock = visible.minY > frame.minY
+                && mouse.y >= frame.minY
+                && mouse.y <= visible.minY + 24
+            let leftDock = visible.minX > frame.minX
+                && mouse.x >= frame.minX
+                && mouse.x <= visible.minX + 24
+            let rightDock = visible.maxX < frame.maxX
+                && mouse.x <= frame.maxX
+                && mouse.x >= visible.maxX - 24
+            return bottomDock || leftDock || rightDock
+        }
     }
 
     func applicationWillTerminate(_ notification: Notification) {
@@ -203,11 +321,17 @@
     }
 
     private func beginLauncherForegroundOwnership(activate: Bool = true, keyWindow: NSWindow? = nil) {
-        if NSApp.activationPolicy() != .regular {
-            NSApp.setActivationPolicy(.regular)
+        let showDock = UserDefaults.standard.bool(forKey: Self.showDockIconKey)
+        let desiredPolicy: NSApplication.ActivationPolicy = showDock ? .regular : .accessory
+        if NSApp.activationPolicy() != desiredPolicy {
+            NSApp.setActivationPolicy(desiredPolicy)
         }
-        if activate {
+        if activate, showDock {
             claimLauncherForeground(keyWindow: keyWindow)
+        } else if activate {
+            NSApp.activate(ignoringOtherApps: true)
+            keyWindow?.makeKeyAndOrderFront(nil)
+            keyWindow?.orderFrontRegardless()
         }
     }
 
@@ -264,14 +388,20 @@
         let showDock = UserDefaults.standard.bool(forKey: Self.showDockIconKey)
         lastShowDockIcon = showDock
 
-        let shouldStayAccessoryForCurrentFullscreenSpace = avoidSpaceSwitch
-            && isOverlayVisible
-            && !isSettingsVisible
+        let shouldStayAccessoryForCurrentFullscreenSpace = isOverlayVisible
+            && (avoidSpaceSwitch || overlayAvoidsSpaceSwitch)
+        let shouldStayAccessoryForHiddenDockChrome = requiresForegroundOwnership
+            && !showDock
+        let shouldStayAccessoryForQuickOnlySearch = isOverlayVisible
+            && quickSearchOnlyOverlaySession
+            && !showDock
         let desiredPolicy: NSApplication.ActivationPolicy = shouldStayAccessoryForCurrentFullscreenSpace
             ? .accessory
+            : (shouldStayAccessoryForHiddenDockChrome ? .accessory
+            : (shouldStayAccessoryForQuickOnlySearch ? .accessory
             : (requiresForegroundOwnership
             ? .regular
-            : (showDock ? .regular : .accessory))
+            : (showDock ? .regular : .accessory))))
         if NSApp.activationPolicy() != desiredPolicy {
             NSApp.setActivationPolicy(desiredPolicy)
         }
@@ -281,7 +411,10 @@
             NSApp.presentationOptions = desiredPresentation
         }
 
-        if activate && requiresForegroundOwnership && !shouldStayAccessoryForCurrentFullscreenSpace {
+        if activate && requiresForegroundOwnership
+            && !shouldStayAccessoryForCurrentFullscreenSpace
+            && !shouldStayAccessoryForHiddenDockChrome
+            && !shouldStayAccessoryForQuickOnlySearch {
             let keyWindow = isSettingsVisible ? settingsWindow : (isOverlayVisible ? overlayWindow : nil)
             claimLauncherForeground(
                 keyWindow: keyWindow,
@@ -297,7 +430,11 @@
         }
 
         if isQuickSearchOpen {
-            NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+            NotificationCenter.default.post(
+                name: .tagLauncherQuickSearchDismissRequested,
+                object: nil,
+                userInfo: ["source": QuickSearchDismissSource.programmatic]
+            )
         }
 
         if !requiresForegroundOwnership {
@@ -481,7 +618,7 @@
     }
 
     func menuWillOpen(_ menu: NSMenu) {
-        statusMenuScreenForNextOverlay = screenContainingCurrentPointer()
+        statusMenuScreenForNextOverlay = overlayController.screenContainingCurrentPointer()
             ?? statusItem?.button?.window?.screen
             ?? NSScreen.main
             ?? NSScreen.screens.first
@@ -768,36 +905,13 @@
     }
 
     private func performToggleOverlay(preferredScreen: NSScreen?) {
-        if overlayWindow?.isVisible == true {
-            hideOverlay(force: true)
-        } else {
-            showOverlay(preferredScreen: preferredScreen)
-        }
+        overlayOpenedByQuickSearchOnly = false
+        overlayController.toggle(preferredScreen: preferredScreen)
     }
 
     private func showOrFocusOverlay(preferredScreen: NSScreen? = nil) {
-        let placement = overlayPlacementContextForNextOverlay(preferredScreen: preferredScreen)
-        let shouldAvoidSpaceSwitch = placement.map { hasFullscreenWindowOnScreen($0.screen) } ?? false
-        if let overlayWindow, overlayWindow.isVisible {
-            moveOverlayToCurrentPlacement(preferredScreen: preferredScreen)
-            overlayWindow.level = currentOverlayLevel
-            refreshLauncherChromeState(activate: !shouldAvoidSpaceSwitch, avoidSpaceSwitch: shouldAvoidSpaceSwitch)
-            overlayWindow.makeKeyAndOrderFront(nil)
-            overlayWindow.orderFrontRegardless()
-            if let settingsWindow, settingsWindow.isVisible {
-                prepareSettingsWindow(settingsWindow)
-            }
-            return
-        }
-        showOverlay(preferredScreen: preferredScreen)
-    }
-
-    private func moveOverlayToCurrentPlacement(preferredScreen: NSScreen?) {
-        guard let overlayWindow,
-              let placement = overlayPlacementContextForNextOverlay(preferredScreen: preferredScreen),
-              overlayWindow.frame != placement.frame
-        else { return }
-        overlayWindow.setFrame(placement.frame, display: true)
+        overlayOpenedByQuickSearchOnly = false
+        overlayController.showOrFocus(preferredScreen: preferredScreen)
     }
 
     private func showOverlay(
@@ -805,143 +919,102 @@
         preferredScreen: NSScreen? = nil,
         stagedForAllSpaces: Bool = false
     ) {
-        guard let placement = overlayPlacementContextForNextOverlay(preferredScreen: preferredScreen) else { return }
-
-        let shouldAvoidSpaceSwitch = hasFullscreenWindowOnScreen(placement.screen)
-        let shouldStageAsAccessory = shouldStageOverlayAsAccessory || shouldAvoidSpaceSwitch
-
-        if !stagedForAllSpaces && shouldStageAsAccessory {
-            // Let the all-spaces panel attach to the pointer's display before the app reclaims focus.
-            if NSApp.activationPolicy() != .accessory {
-                NSApp.setActivationPolicy(.accessory)
-            }
-            if NSApp.isActive {
-                NSApp.deactivate()
-            }
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.08) { [weak self] in
-                self?.showOverlay(
-                    initialQuickSearchSource: initialQuickSearchSource,
-                    preferredScreen: placement.screen,
-                    stagedForAllSpaces: true
-                )
-            }
-            return
+        Diagnostics.log("app.overlay.showRequest", [
+            "initialQuickSearchSource": initialQuickSearchSource,
+            "stagedForAllSpaces": stagedForAllSpaces,
+            "isQuickSearchOpen": isQuickSearchOpen,
+            "quickSearchOnlyOverlaySession": quickSearchOnlyOverlaySession,
+            "overlayOpenedByQuickSearchOnly": overlayOpenedByQuickSearchOnly
+        ])
+        if initialQuickSearchSource == QuickSearchOpenSource.globalHidden {
+            isQuickSearchOpen = true
+            quickSearchShouldHideOverlayOnClose = true
+            quickSearchOnlyOverlaySession = true
+            overlayOpenedByQuickSearchOnly = true
+        } else if initialQuickSearchSource == nil {
+            overlayOpenedByQuickSearchOnly = false
         }
-
-        if overlayWindow?.isVisible == true {
-            hideOverlay(force: true)
-        } else if let existingWindow = overlayWindow {
-            existingWindow.orderOut(nil)
-            overlayWindow = nil
-        }
-
-        let window = makeOverlayWindow(
-            on: placement.screen,
-            initialQuickSearchSource: initialQuickSearchSource
+        overlayController.show(
+            initialQuickSearchSource: initialQuickSearchSource,
+            preferredScreen: preferredScreen,
+            stagedForAllSpaces: stagedForAllSpaces
         )
-        overlayGeneration &+= 1
-        overlayWindow = window
-        installOverlayKeyMonitor()
-        if shouldStageAsAccessory {
-            if NSApp.isActive {
-                NSApp.deactivate()
-            }
-            if NSApp.activationPolicy() != .accessory {
-                NSApp.setActivationPolicy(.accessory)
-            }
-        }
-
-        let targetLevel = overlayLevel(initialQuickSearchSource: initialQuickSearchSource)
-        window.setFrame(placement.frame, display: true)
-        window.level = targetLevel
-
-        window.makeKeyAndOrderFront(nil)
-        window.orderFrontRegardless()
-
-        let placementFrame = placement.frame
-        let finishForegroundClaim: () -> Void = { [weak self, weak window] in
-            guard let self, let window, self.overlayWindow === window else { return }
-            self.refreshLauncherChromeState(activate: !shouldAvoidSpaceSwitch, avoidSpaceSwitch: shouldAvoidSpaceSwitch)
-            if window.frame != placementFrame {
-                window.setFrame(placementFrame, display: true)
-                window.makeKeyAndOrderFront(nil)
-                window.orderFrontRegardless()
-            }
-            if let settingsWindow = self.settingsWindow, settingsWindow.isVisible {
-                self.prepareSettingsWindow(settingsWindow)
-            }
-            NotificationCenter.default.post(name: .tagLauncherOverlayDidShow, object: nil)
-        }
-
-        if !isSettingsVisible {
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.12, execute: finishForegroundClaim)
-        } else {
-            finishForegroundClaim()
-        }
-    }
-
-    private func hasFullscreenWindowOnScreen(_ screen: NSScreen) -> Bool {
-        let screenFrame = screen.frame
-        let windows = CGWindowListCopyWindowInfo([.optionOnScreenOnly, .excludeDesktopElements], kCGNullWindowID) as? [[String: Any]] ?? []
-        return windows.contains { info in
-            guard let owner = info[kCGWindowOwnerName as String] as? String,
-                  owner != AppIdentity.displayName,
-                  owner != "Window Server",
-                  owner != "Dock",
-                  owner != "loginwindow",
-                  let layer = info[kCGWindowLayer as String] as? Int,
-                  layer == 0,
-                  let bounds = info[kCGWindowBounds as String] as? NSDictionary
-            else { return false }
-
-            let x = cgWindowDimension(bounds, "X")
-            let y = cgWindowDimension(bounds, "Y")
-            let width = cgWindowDimension(bounds, "Width")
-            let height = cgWindowDimension(bounds, "Height")
-            let windowFrame = NSRect(x: x, y: y, width: width, height: height)
-            let widthMatches = abs(windowFrame.width - screenFrame.width) <= 12
-            let heightMatches = windowFrame.height >= screenFrame.height * 0.88
-            let horizontallyAligned = abs(windowFrame.midX - screenFrame.midX) <= 12
-            return widthMatches && heightMatches && horizontallyAligned
-        }
-    }
-
-    private func cgWindowDimension(_ bounds: NSDictionary, _ key: String) -> CGFloat {
-        if let value = bounds[key] as? CGFloat {
-            return value
-        }
-        if let value = bounds[key] as? NSNumber {
-            return CGFloat(truncating: value)
-        }
-        return 0
     }
 
     private func installOverlayKeyMonitor() {
         guard overlayKeyMonitor == nil else { return }
         overlayKeyMonitor = NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
             guard let self else { return event }
-            guard self.shouldHandleOverlayKeyEvent(event) else { return event }
-            if event.keyCode == 53 { // Escape
-                if self.isQuickSearchOpen {
-                    self.isQuickSearchOpen = false
-                    self.removeQuickSearchExternalMouseMonitor()
-                    self.updateOverlayLevelForTextInput()
-                    NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
-                    return nil
-                }
-                self.hideOverlay(force: true)
-                return nil
-            }
-            if self.shouldOpenQuickSearch(for: event) {
-                self.requestQuickSearch(source: QuickSearchOpenSource.mainOverlay)
+            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,
+            userInfo: ["source": QuickSearchDismissSource.keyboard]
+        )
+        if shouldHideOverlayAfterDismiss {
+            quickSearchShouldHideOverlayOnClose = false
+            quickSearchOnlyOverlaySession = false
+            overlayOpenedByQuickSearchOnly = true
+            DispatchQueue.main.async { [weak self] in
+                self?.hideOverlay(force: true, discardWindow: true)
+            }
+        }
+    }
+
     private func requestQuickSearch(source: String) {
         isQuickSearchOpen = true
+        quickSearchShouldHideOverlayOnClose = quickSearchShouldHideOverlayOnClose
+            || source == QuickSearchOpenSource.globalHidden
+        quickSearchOnlyOverlaySession = quickSearchOnlyOverlaySession
+            || source == QuickSearchOpenSource.globalHidden
+        if source == QuickSearchOpenSource.globalHidden {
+            overlayOpenedByQuickSearchOnly = true
+        }
         promoteOverlayToForegroundInput()
         updateOverlayLevelForTextInput()
         installQuickSearchExternalMouseMonitor()
@@ -984,59 +1057,16 @@
         }
     }
 
-    private func makeOverlayWindow(on screen: NSScreen, initialQuickSearchSource: String? = nil) -> NSWindow {
-        let panel = OverlayPanel(
-            contentRect: screen.frame,
-            styleMask: [.borderless, .fullSizeContentView, .nonactivatingPanel],
-            backing: .buffered,
-            defer: false
-        )
-        panel.isFloatingPanel = true
-        panel.hidesOnDeactivate = false
-        // Keep the overlay publishable above fullscreen Spaces without asking
-        // AppKit to migrate an all-spaces window between Spaces.
-        panel.collectionBehavior = [
-            .canJoinAllSpaces,
-            .fullScreenAuxiliary,
-            .stationary,
-            .transient,
-            .ignoresCycle
-        ]
-        panel.isOpaque = false
-        panel.backgroundColor = NSColor.black.withAlphaComponent(0.001)
-        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)
-                },
-                initialQuickSearchSource: initialQuickSearchSource
-            ),
-            onBackdropTap: { [weak self] in
-                self?.hideOverlay()
-            }
-        )
-        return panel
-    }
-
     private func hideOverlay(force: Bool = false, discardWindow: Bool = false) {
-        guard force || !isInEditMode else { return }
-        overlayGeneration &+= 1
-        TagDatabase.flushPendingCategorySchemeBackupBatch()
-        if let settingsWindow, settingsWindow.parent == overlayWindow {
-            detachSettingsWindow(settingsWindow)
-        }
-        overlayWindow?.orderOut(nil)
-        removeOverlayKeyMonitor()
-        removeQuickSearchExternalMouseMonitor()
-        refreshLauncherChromeState()
-        NotificationCenter.default.post(name: .tagLauncherOverlayDidHide, object: nil)
-        if discardWindow {
-            overlayWindow = nil
-        }
+        Diagnostics.log("app.overlay.hideRequest", [
+            "force": force,
+            "discardWindow": discardWindow,
+            "isQuickSearchOpen": isQuickSearchOpen,
+            "quickSearchOnlyOverlaySession": quickSearchOnlyOverlaySession,
+            "quickSearchShouldHideOverlayOnClose": quickSearchShouldHideOverlayOnClose,
+            "overlayOpenedByQuickSearchOnly": overlayOpenedByQuickSearchOnly
+        ])
+        overlayController.hide(force: force, discardWindow: discardWindow)
     }
 
     // MARK: - Global Hotkeys
@@ -1128,6 +1158,13 @@
     }
 
     private func handleHotkeyEvent(id: UInt32) {
+        Diagnostics.log("app.hotkey", [
+            "id": id,
+            "isOverlayVisible": isOverlayVisible,
+            "isQuickSearchOpen": isQuickSearchOpen,
+            "quickSearchOnlyOverlaySession": quickSearchOnlyOverlaySession,
+            "overlayOpenedByQuickSearchOnly": overlayOpenedByQuickSearchOnly
+        ])
         if id == LauncherHotkeyKind.quickSearch.eventID {
             showQuickSearchFromGlobalHotkey()
         } else {
@@ -1136,11 +1173,36 @@
     }
 
     private func showQuickSearchFromGlobalHotkey() {
+        let now = Date()
+        if overlayWindow?.isVisible == true,
+           isQuickSearchOpen || quickSearchOnlyOverlaySession || overlayOpenedByQuickSearchOnly {
+            lastQuickSearchHotkeyAt = now
+            if isQuickSearchOpen || quickSearchOnlyOverlaySession {
+                dismissQuickSearchFromKeyboard()
+            } else {
+                hideOverlay(force: true)
+            }
+            return
+        }
+
+        if now.timeIntervalSince(lastQuickSearchHotkeyAt) < 0.28 {
+            promoteOverlayToForegroundInput()
+            updateOverlayLevelForTextInput()
+            return
+        }
+        lastQuickSearchHotkeyAt = now
+
         if overlayWindow?.isVisible == true {
-            refreshLauncherChromeState(activate: true)
+            refreshLauncherChromeState(
+                activate: !overlayAvoidsSpaceSwitch,
+                avoidSpaceSwitch: overlayAvoidsSpaceSwitch
+            )
             requestQuickSearch(source: QuickSearchOpenSource.globalVisible)
             return
         }
+        isQuickSearchOpen = true
+        quickSearchShouldHideOverlayOnClose = true
+        quickSearchOnlyOverlaySession = true
         showOverlay(initialQuickSearchSource: QuickSearchOpenSource.globalHidden)
     }
 
@@ -1210,7 +1272,8 @@
 
     /// 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
@@ -1233,12 +1296,20 @@
 
         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: true)
+        refreshLauncherChromeState(
+            activate: !overlayAvoidsSpaceSwitch,
+            avoidSpaceSwitch: overlayAvoidsSpaceSwitch
+        )
     }
 
     private func attachSettingsWindow(_ window: NSWindow, to overlayWindow: NSWindow) {
@@ -1317,24 +1388,7 @@
     }
 
     private func screenUnderMouse() -> NSScreen? {
-        overlayPlacementContextForNextOverlay(preferredScreen: nil)?.screen
-    }
-
-    private func overlayPlacementContextForNextOverlay(preferredScreen: NSScreen?) -> OverlayPlacementContext? {
-        if let screen = preferredScreen {
-            return OverlayPlacementContext(screen: screen, frame: screen.frame)
-        }
-        guard let screen = screenContainingCurrentPointer() ?? NSScreen.main ?? NSScreen.screens.first else {
-            return nil
-        }
-        return OverlayPlacementContext(screen: screen, frame: screen.frame)
-    }
-
-    private func screenContainingCurrentPointer() -> NSScreen? {
-        let mousePoint = NSEvent.mouseLocation
-        return NSScreen.screens.first(where: {
-            NSMouseInRect(mousePoint, $0.frame, false)
-        })
+        overlayController.screenUnderMouse()
     }
 
     /// Clean up settingsWindow reference when the Settings window closes.
@@ -1352,7 +1406,10 @@
             let preferredScreen = self.overlayWindow?.screen
             self.detachSettingsWindow(closingWindow)
             self.settingsWindow = nil
-            self.refreshLauncherChromeState(activate: shouldRefocusOverlay)
+            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)
@@ -1388,6 +1445,21 @@
     }
 
     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)
@@ -1401,7 +1473,26 @@
             queue: .main
         ) { [weak self] notification in
             guard let self else { return }
-            self.isQuickSearchOpen = (notification.userInfo?["active"] as? Bool) ?? false
+            let active = (notification.userInfo?["active"] as? Bool) ?? false
+            let hideOverlayOnClose = (notification.userInfo?["hideOverlayOnClose"] as? Bool) ?? false
+            let wasQuickSearchOnlyOverlay = self.quickSearchOnlyOverlaySession
+                || self.quickSearchShouldHideOverlayOnClose
+                || self.overlayOpenedByQuickSearchOnly
+            Diagnostics.log("app.quickSearch.visibilityChanged", [
+                "active": active,
+                "hideOverlayOnClose": hideOverlayOnClose,
+                "isQuickSearchOpenBefore": self.isQuickSearchOpen,
+                "quickSearchOnlyOverlaySessionBefore": self.quickSearchOnlyOverlaySession,
+                "quickSearchShouldHideOverlayOnCloseBefore": self.quickSearchShouldHideOverlayOnClose,
+                "overlayOpenedByQuickSearchOnlyBefore": self.overlayOpenedByQuickSearchOnly,
+                "wasQuickSearchOnlyOverlay": wasQuickSearchOnlyOverlay
+            ])
+            self.isQuickSearchOpen = active
+            if active, hideOverlayOnClose {
+                self.quickSearchShouldHideOverlayOnClose = true
+                self.quickSearchOnlyOverlaySession = true
+                self.overlayOpenedByQuickSearchOnly = true
+            }
             if self.isQuickSearchOpen {
                 self.promoteOverlayToForegroundInput()
             }
@@ -1410,6 +1501,11 @@
                 self.installQuickSearchExternalMouseMonitor()
             } else {
                 self.removeQuickSearchExternalMouseMonitor()
+                if hideOverlayOnClose || wasQuickSearchOnlyOverlay {
+                    self.quickSearchShouldHideOverlayOnClose = false
+                    self.quickSearchOnlyOverlaySession = false
+                    self.hideOverlay(force: true, discardWindow: wasQuickSearchOnlyOverlay)
+                }
             }
         }
 
@@ -1431,18 +1527,45 @@
     }
 
     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)
+                NotificationCenter.default.post(
+                    name: .tagLauncherQuickSearchDismissRequested,
+                    object: nil,
+                    userInfo: ["source": QuickSearchDismissSource.mouse]
+                )
             }
         }
     }
 
+    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,
+                    userInfo: ["source": QuickSearchDismissSource.mouse]
+                )
+                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
@@ -1478,14 +1601,22 @@
     }
 
     @objc private func handleExternalActivationRequest(_ notification: Notification) {
-        let shouldShowOverlay = notification.userInfo?["showOverlay"] as? Bool ?? true
-        guard shouldShowOverlay else { return }
+        let shouldShowOverlay = notification.userInfo?["showOverlay"] as? Bool ?? false
+        guard shouldShowOverlay else {
+            suppressReopenUntil = Date().addingTimeInterval(1.0)
+            return
+        }
         showOrFocusOverlay()
     }
 
     @objc private func openPreferences(_ sender: Any? = nil) {
+        dismissQuickSearchIfNeeded()
         TagDatabase.flushPendingCategorySchemeBackupBatch()
-        beginLauncherForegroundOwnership()
+        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)
@@ -1497,7 +1628,7 @@
             return
         }
 
-        let settingsSize = NSSize(width: 880, height: 460)
+        let settingsSize = NSSize(width: 1000, height: 480)
         let window = NSWindow(
             contentRect: NSRect(origin: .zero, size: settingsSize),
             styleMask: [.titled, .closable],
@@ -1509,6 +1640,20 @@
         window.isReleasedWhenClosed = false
         settingsWindow = window
         prepareSettingsWindow(window)
+    }
+
+    private func dismissQuickSearchIfNeeded() {
+        guard isQuickSearchOpen else { return }
+        isQuickSearchOpen = false
+        removeQuickSearchExternalMouseMonitor()
+        updateOverlayLevelForTextInput()
+        quickSearchShouldHideOverlayOnClose = false
+        quickSearchOnlyOverlaySession = false
+        NotificationCenter.default.post(
+            name: .tagLauncherQuickSearchDismissRequested,
+            object: nil,
+            userInfo: ["source": QuickSearchDismissSource.programmatic]
+        )
     }
 
     @objc private func switchLanguage(_ sender: NSMenuItem) {
@@ -1570,7 +1715,11 @@
         }
         if hit == self {
             if quickSearchSuppressesBackdropDismiss {
-                NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
+                NotificationCenter.default.post(
+                    name: .tagLauncherQuickSearchDismissRequested,
+                    object: nil,
+                    userInfo: ["source": QuickSearchDismissSource.backdrop]
+                )
                 return
             }
             if suppressBackdropDismiss {

--
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