From ec6e0da8224a54dd7273adc2a797f149fd9795c8 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Wed, 20 May 2026 12:51:53 +0800
Subject: [PATCH] chore: mark stable baseline as 7.6.0

---
 Apptag/ContentView.swift | 1744 +++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 1,535 insertions(+), 209 deletions(-)

diff --git a/Apptag/ContentView.swift b/Apptag/ContentView.swift
index c3eb159..117a25e 100644
--- a/Apptag/ContentView.swift
+++ b/Apptag/ContentView.swift
@@ -6,6 +6,12 @@
 
 extension Notification.Name {
     static let tagLauncherEditModeChanged = Notification.Name("TagLauncherEditModeChanged")
+    static let tagLauncherAppNoteEditingChanged = Notification.Name("TagLauncherAppNoteEditingChanged")
+    static let tagLauncherDataDidChange = Notification.Name("TagLauncherDataDidChange")
+    static let tagLauncherOpenPreferencesRequested = Notification.Name("TagLauncherOpenPreferencesRequested")
+    static let tagLauncherOverlayDidShow = Notification.Name("TagLauncherOverlayDidShow")
+    static let tagLauncherOverlayDidHide = Notification.Name("TagLauncherOverlayDidHide")
+    static let tagLauncherModalInteractionChanged = Notification.Name("TagLauncherModalInteractionChanged")
 }
 
 // MARK: - Edit Phase
@@ -14,6 +20,11 @@
     case none
     case editingTags
     case editingApps
+}
+
+enum EditTagOperation {
+    case add
+    case remove
 }
 
 // MARK: - Native NSTextField (avoids SwiftUI TextField event issues)
@@ -105,11 +116,92 @@
     }
 }
 
+// MARK: - Native Floating Icon Button
+
+final class FloatingIconButtonView: NSView {
+    private let imageView = NSImageView()
+    var action: (() -> Void)?
+
+    override init(frame frameRect: NSRect) {
+        super.init(frame: frameRect)
+        addSubview(imageView)
+        imageView.imageScaling = .scaleProportionallyDown
+        imageView.contentTintColor = .secondaryLabelColor
+    }
+
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func layout() {
+        super.layout()
+        let size: CGFloat = 16
+        imageView.frame = NSRect(
+            x: (bounds.width - size) / 2,
+            y: (bounds.height - size) / 2,
+            width: size,
+            height: size
+        )
+    }
+
+    override func hitTest(_ point: NSPoint) -> NSView? {
+        bounds.contains(point) ? self : nil
+    }
+
+    override func mouseDown(with event: NSEvent) {
+        action?()
+    }
+
+    func setSystemImage(_ systemImage: String) {
+        let config = NSImage.SymbolConfiguration(pointSize: 16, weight: .medium)
+        imageView.image = NSImage(
+            systemSymbolName: systemImage,
+            accessibilityDescription: nil
+        )?.withSymbolConfiguration(config)
+    }
+}
+
+private struct NativeFloatingIconButton: NSViewRepresentable {
+    let systemImage: String
+    let action: () -> Void
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(action: action)
+    }
+
+    func makeNSView(context: Context) -> FloatingIconButtonView {
+        let view = FloatingIconButtonView(frame: NSRect(x: 0, y: 0, width: 36, height: 36))
+        configure(view, context: context)
+        return view
+    }
+
+    func updateNSView(_ view: FloatingIconButtonView, context: Context) {
+        context.coordinator.action = action
+        configure(view, context: context)
+    }
+
+    private func configure(_ view: FloatingIconButtonView, context: Context) {
+        view.setSystemImage(systemImage)
+        view.action = {
+            context.coordinator.action()
+        }
+    }
+
+    final class Coordinator {
+        var action: () -> Void
+
+        init(action: @escaping () -> Void) {
+            self.action = action
+        }
+    }
+}
+
 // MARK: - Tag Pill (for top navigation bar)
 
 struct TagPill: View {
     let name: String
     let colorIndex: Int
+    var dragModeActive: Bool = false
+    var isDragging: Bool = false
+    var dragResetToken: Int = 0
     let action: () -> Void
 
     private var bgColor: Color {
@@ -124,16 +216,22 @@
     }
 
     var body: some View {
-        Button(action: action) {
-            Text(name)
-                .font(.system(size: 13, weight: .medium))
-                .foregroundStyle(textColor)
-                .padding(.horizontal, 12)
-                .padding(.vertical, 6)
-                .background(RoundedRectangle(cornerRadius: 7).fill(bgColor))
-                .shadow(color: .black.opacity(0.2), radius: 3, y: 1)
-        }
-        .buttonStyle(.plain)
+        Text(name)
+            .font(.system(size: 13, weight: .medium))
+            .foregroundStyle(textColor)
+            .padding(.horizontal, 12)
+            .padding(.vertical, 6)
+            .background(RoundedRectangle(cornerRadius: 7).fill(bgColor))
+            .shadow(color: .black.opacity(isDragging ? 0.34 : 0.2), radius: isDragging ? 8 : 3, y: isDragging ? 4 : 1)
+            .scaleEffect(isDragging ? 1.05 : 1.0)
+            .opacity(dragModeActive ? (isDragging ? 1.0 : 0.62) : 1.0)
+            .animation(.easeOut(duration: 0.08), value: isDragging)
+            .animation(.easeOut(duration: 0.08), value: dragModeActive)
+            .id("\(name)|reset-\(dragResetToken)")
+            .contentShape(RoundedRectangle(cornerRadius: 7))
+            .onTapGesture {
+                action()
+            }
     }
 }
 
@@ -142,6 +240,9 @@
 struct SideTagPill: View {
     let name: String
     let colorIndex: Int
+    var dragModeActive: Bool = false
+    var isDragging: Bool = false
+    var dragResetToken: Int = 0
     let action: () -> Void
 
     private var bgColor: Color {
@@ -152,16 +253,22 @@
     }
 
     var body: some View {
-        Button(action: action) {
-            Text(name)
-                .font(.system(size: 13, weight: .medium))
-                .foregroundStyle(textColor)
-                .padding(.horizontal, 10).padding(.vertical, 5)
-                .frame(maxWidth: .infinity, alignment: .leading)
-                .background(RoundedRectangle(cornerRadius: 6).fill(bgColor))
-                .shadow(color: .black.opacity(0.2), radius: 3, y: 1)
-        }
-        .buttonStyle(.plain)
+        Text(name)
+            .font(.system(size: 13, weight: .medium))
+            .foregroundStyle(textColor)
+            .padding(.horizontal, 10).padding(.vertical, 5)
+            .frame(maxWidth: .infinity, alignment: .leading)
+            .background(RoundedRectangle(cornerRadius: 6).fill(bgColor))
+            .shadow(color: .black.opacity(isDragging ? 0.34 : 0.2), radius: isDragging ? 8 : 3, y: isDragging ? 4 : 1)
+            .scaleEffect(isDragging ? 1.03 : 1.0)
+            .opacity(dragModeActive ? (isDragging ? 1.0 : 0.62) : 1.0)
+            .animation(.easeOut(duration: 0.08), value: isDragging)
+            .animation(.easeOut(duration: 0.08), value: dragModeActive)
+            .id("\(name)|reset-\(dragResetToken)")
+            .contentShape(RoundedRectangle(cornerRadius: 6))
+            .onTapGesture {
+                action()
+            }
     }
 }
 
@@ -190,8 +297,47 @@
 
 // MARK: - Full-Screen Overlay
 
+private struct AppBubbleContext {
+    let app: AppInfo
+    let frame: CGRect
+}
+
+private struct AppBubbleMetrics {
+    let centerX: CGFloat
+    let centerY: CGFloat
+    let arrowX: CGFloat
+    let arrowOffset: CGFloat
+}
+
+private struct EditActionFeedback: Identifiable {
+    let id = UUID()
+    let title: String
+    let message: String
+}
+
+private struct PendingUncategorizedDrop: Identifiable {
+    let id = UUID()
+    let app: AppInfo
+    let assignedTags: [String]
+}
+
+private enum SmartStartNoticeMode {
+    case autoApplied
+    case suggestionOnly
+    case manuallyApplied
+}
+
+private struct SmartStartNotice: Identifiable {
+    let id = UUID()
+    let mode: SmartStartNoticeMode
+    let title: String
+    let message: String
+    let summary: SmartStartSummary
+}
+
 struct ContentView: View {
     let hideOverlay: () -> Void
+    private let initialQuickSearchSource: String?
 
     @State private var allApps: [AppInfo] = []
     @State private var tagColors: [String: Int] = [:]
@@ -201,29 +347,82 @@
     @State private var editPhase: EditPhase = .none
     @State private var selectedAppPaths: Set<URL> = []
     @State private var selectedTagNames: Set<String> = []
-    @State private var successToast: String? = nil
+    @State private var removableTagNames: Set<String> = []
+    @State private var editTagOperation: EditTagOperation = .add
+    @State private var editActionFeedback: EditActionFeedback? = nil
     @State private var draggedTagNames: [String] = []  // live drag order
     @State private var dragItem: String? = nil          // currently dragged tag
+    @State private var tagReorderFrames: [String: CGRect] = [:]
+    @State private var tagNavDragModeActive = false
+    @State private var tagNavDragItem: String? = nil
+    @State private var tagNavDragResetToken = 0
+    @State private var tagNavReorderFrames: [String: CGRect] = [:]
+    @State private var tagNavReorderDidMove = false
     @State private var hoveredContainer: String? = nil  // colored container lift
     // Fixed interaction for "Colorless Container": hover fills persistently; click clears.
     @State private var filledColorlessContainer: String? = nil
     @State private var appDragModeActive = false
     @State private var dropWarningToast: String? = nil
+    @State private var smartStartNotice: SmartStartNotice? = nil
+    @State private var pendingSmartStartDraft: SmartCategorizationDraft? = nil
     @State private var dropRefreshVisible = false
     @State private var dropRefreshStartedAt: Date? = nil
-    @State private var layoutRefreshID = UUID()
+    @State private var refreshInProgress = false
+    @State private var refreshAgainAfterCurrent = false
+    @State private var refreshAgainForceLayout = false
+    @State private var hoveredAppItemID: String? = nil
+    @State private var hoveredBubble: AppBubbleContext? = nil
+    @State private var editingBubble: AppBubbleContext? = nil
+    @State private var pendingUncategorizedDrop: PendingUncategorizedDrop? = nil
+    @State private var appDragResetToken = 0
+    @State private var bubbleDraftNote = ""
+    @FocusState private var bubbleNoteFocused: Bool
+
+    // Quick Search
+    @State private var quickSearchVisible = false
+    @State private var quickSearchQuery = ""
+    @State private var quickSearchDocuments: [QuickSearchDocument] = []
+    @State private var quickSearchResults: [QuickSearchResult] = []
+    @State private var quickSearchSelectedID: URL? = nil
+    @State private var quickSearchManualSelection = false
+    @State private var quickSearchFocusToken = 0
+    @State private var quickSearchCloseHidesOverlay = false
+    @State private var quickSearchErrorMessage: String? = nil
+    @State private var initialQuickSearchConsumed = false
+
+    init(hideOverlay: @escaping () -> Void, initialQuickSearchSource: String? = nil) {
+        self.hideOverlay = hideOverlay
+        self.initialQuickSearchSource = initialQuickSearchSource
+        let startsInQuickSearch = initialQuickSearchSource != nil
+        _quickSearchVisible = State(initialValue: startsInQuickSearch)
+        _quickSearchCloseHidesOverlay = State(initialValue: initialQuickSearchSource == QuickSearchOpenSource.globalHidden)
+        _quickSearchFocusToken = State(initialValue: startsInQuickSearch ? 1 : 0)
+    }
 
     // Configurable defaults
     @AppStorage("defaultGroupName") private var defaultGroupName = "Other"
-    @AppStorage("tagFontSize") private var tagFontSize: Double = 18
-    @AppStorage("iconSize") private var iconSize: Double = 56
-    @AppStorage("tagPosition") private var tagPosition = "left"
+    @AppStorage("tagFontSize") private var tagFontSize: Double = AppDefaults.tagFontSize
+    @AppStorage("iconSize") private var iconSize: Double = AppDefaults.iconSize
+    @AppStorage("tagPosition") private var tagPosition = AppDefaults.tagPosition
     @State private var notchHeight: CGFloat = 0
-    @AppStorage("displayMode") private var displayMode = "flat"
-    @AppStorage("hideAppNames") private var hideAppNames = false
+    @AppStorage("displayMode") private var displayMode = AppDefaults.displayMode
+    @AppStorage("hideAppNames") private var hideAppNames = AppDefaults.hideAppNames
+
+    private let editSidebarWidth: CGFloat = 188
+    private let editSidebarHorizontalInset: CGFloat = 12
+    private let floatingControlsTrailingInset: CGFloat = 20
+    private let floatingControlsReservedWidth: CGFloat = 120
+    private var appBubbleDisabled: Bool {
+        appDragModeActive || pendingUncategorizedDrop != nil
+    }
+    private let rightSidebarFloatingClearance: CGFloat = 44
 
     private var isSideLayout: Bool {
         tagPosition == "left" || tagPosition == "right"
+    }
+
+    private var floatingControlsTopInset: CGFloat {
+        notchHeight > 0 ? notchHeight + 10 : 20
     }
 
     private var isColorlessContainerMode: Bool {
@@ -234,32 +433,47 @@
         displayMode == "coloredContainer" || displayMode == "coloredGridContainer"
     }
 
+    private var quickSearchOnlyMode: Bool {
+        quickSearchVisible && quickSearchCloseHidesOverlay
+    }
+
     var body: some View {
         ZStack {
-            VisualEffectView(material: .hudWindow, blendingMode: .behindWindow)
-                .ignoresSafeArea()
-                .allowsHitTesting(false)
+            if !quickSearchOnlyMode {
+                VisualEffectView(material: .hudWindow, blendingMode: .behindWindow)
+                    .ignoresSafeArea()
+                    .allowsHitTesting(false)
+            }
 
-            if notchHeight > 0 {
-                VStack {
-                    Rectangle().fill(.black)
-                        .frame(height: notchHeight)
-                        .ignoresSafeArea(edges: .top)
-                    Spacer()
+            if !quickSearchOnlyMode {
+                if notchHeight > 0 {
+                    VStack {
+                        Rectangle().fill(.black)
+                            .frame(height: notchHeight)
+                            .ignoresSafeArea(edges: .top)
+                        Spacer()
+                    }
+                    .allowsHitTesting(false)
                 }
-                .allowsHitTesting(false)
+
+                switch editPhase {
+                case .none:
+                    normalContent
+                case .editingTags:
+                    editTagsView
+                case .editingApps:
+                    editAppsView
+                }
+
+                uncommonAppBubbleOverlay
+                smartStartNoticeOverlay
+                editActionFeedbackOverlay
+                uncategorizedDropConfirmOverlay
             }
 
-            switch editPhase {
-            case .none:
-                normalContent
-            case .editingTags:
-                editTagsView
-            case .editingApps:
-                editAppsView
-            }
+            quickSearchOverlay
 
-            if let message = dropWarningToast {
+            if !quickSearchOnlyMode, let message = dropWarningToast {
                 Text(message)
                     .font(.system(size: 16, weight: .semibold))
                     .foregroundStyle(.primary)
@@ -274,7 +488,7 @@
                     .allowsHitTesting(false)
             }
 
-            if dropRefreshVisible {
+            if !quickSearchOnlyMode && dropRefreshVisible {
                 Color.black.opacity(0.08)
                     .ignoresSafeArea()
                     .transition(.opacity)
@@ -295,22 +509,82 @@
             }
         }
         .onAppear {
-            let mousePoint = NSEvent.mouseLocation
-            let activeScreen = NSScreen.screens.first(where: {
-                NSMouseInRect(mousePoint, $0.frame, false)
-            }) ?? NSScreen.main
-            notchHeight = activeScreen?.safeAreaInsets.top ?? 0
+            refreshNotchHeight()
+            refreshApps()
+            if let initialQuickSearchSource, !initialQuickSearchConsumed {
+                initialQuickSearchConsumed = true
+                quickSearchCloseHidesOverlay = initialQuickSearchSource == QuickSearchOpenSource.globalHidden
+                quickSearchVisible = true
+                quickSearchFocusToken &+= 1
+                NotificationCenter.default.post(
+                    name: .tagLauncherQuickSearchVisibilityChanged,
+                    object: nil,
+                    userInfo: ["active": true]
+                )
+            }
+        }
+        .onReceive(NotificationCenter.default.publisher(for: .tagLauncherOverlayDidShow)) { _ in
+            resetTransientDragState()
+            refreshNotchHeight()
             refreshApps()
         }
+        .onReceive(NotificationCenter.default.publisher(for: .tagLauncherOverlayDidHide)) { _ in
+            resetTransientDragState()
+            closeQuickSearch(notify: true, hideOverlayIfNeeded: false)
+        }
+        .onReceive(NotificationCenter.default.publisher(for: .tagLauncherQuickSearchRequested)) { notification in
+            let source = notification.userInfo?["source"] as? String ?? QuickSearchOpenSource.mainOverlay
+            openQuickSearch(source: source)
+        }
+        .onReceive(NotificationCenter.default.publisher(for: .tagLauncherQuickSearchDismissRequested)) { _ in
+            closeQuickSearch()
+        }
         .onReceive(NotificationCenter.default.publisher(for: NSApplication.didBecomeActiveNotification)) { _ in
+            guard allApps.isEmpty, !refreshInProgress else { return }
             refreshApps()
+        }
+        .onReceive(NotificationCenter.default.publisher(for: .tagLauncherDataDidChange)) { _ in
+            refreshApps(forceLayoutRefresh: true)
+        }
+        .onReceive(NotificationCenter.default.publisher(for: .appLanguageDidChange)) { _ in
+            let appsSnapshot = allApps
+            DispatchQueue.global(qos: .userInitiated).async {
+                _ = SmartStartService.relocalizeDefaultNotesForCurrentLanguage(apps: appsSnapshot)
+                DispatchQueue.main.async {
+                    refreshApps(forceLayoutRefresh: true)
+                }
+            }
         }
         .onChange(of: editPhase) { _, newPhase in
             let active = newPhase != .none
+            dismissAppBubble()
             NotificationCenter.default.post(
                 name: .tagLauncherEditModeChanged,
                 object: nil,
                 userInfo: ["active": active]
+            )
+        }
+        .onChange(of: bubbleNoteFocused) { _, focused in
+            if editingBubble != nil && !focused {
+                commitBubbleNote()
+            }
+        }
+        .onChange(of: quickSearchQuery) { _, _ in
+            quickSearchErrorMessage = nil
+            refreshQuickSearchResults()
+        }
+        .onChange(of: pendingUncategorizedDrop != nil) { _, active in
+            NotificationCenter.default.post(
+                name: .tagLauncherModalInteractionChanged,
+                object: nil,
+                userInfo: ["active": active]
+            )
+        }
+        .onDisappear {
+            NotificationCenter.default.post(
+                name: .tagLauncherModalInteractionChanged,
+                object: nil,
+                userInfo: ["active": false]
             )
         }
     }
@@ -327,10 +601,186 @@
         }
         editPhase = phase
         if phase == .none {
+            TagDatabase.flushPendingCategorySchemeBackupBatch()
             DispatchQueue.main.async {
                 NotificationCenter.default.post(name: .tagLauncherEditModeChanged, object: nil, userInfo: ["active": false])
             }
         }
+    }
+
+    // MARK: - Quick Search
+
+    private var quickSearchOverlay: some View {
+        GeometryReader { proxy in
+            if quickSearchVisible {
+                Color.black.opacity(0.001)
+                    .frame(width: proxy.size.width, height: proxy.size.height)
+                    .ignoresSafeArea()
+                    .contentShape(Rectangle())
+                    .onTapGesture {
+                        closeQuickSearch()
+                    }
+                    .zIndex(899)
+
+                QuickSearchOverlayView(
+                    query: $quickSearchQuery,
+                    results: quickSearchResults,
+                    selectedID: quickSearchSelectedID,
+                    focusToken: quickSearchFocusToken,
+                    isLoading: quickSearchDocuments.isEmpty && refreshInProgress,
+                    maxVisibleRows: quickSearchMaxVisibleRows(in: proxy.size),
+                    errorMessage: quickSearchErrorMessage,
+                    onCommand: handleQuickSearchCommand,
+                    onHover: selectQuickSearchResult,
+                    onLaunch: launchQuickSearchResult
+                )
+                .position(
+                    x: proxy.size.width / 2,
+                    y: quickSearchPanelCenterY(in: proxy.size)
+                )
+                .transition(.scale(scale: 0.98).combined(with: .opacity))
+                .zIndex(900)
+            }
+        }
+        .ignoresSafeArea()
+        .animation(.easeOut(duration: 0.12), value: quickSearchVisible)
+    }
+
+    private func quickSearchPanelCenterY(in size: CGSize) -> CGFloat {
+        let visibleRows = max(1, min(quickSearchResults.isEmpty ? 1 : quickSearchResults.count, quickSearchMaxVisibleRows(in: size)))
+        let estimatedPanelHeight = CGFloat(visibleRows) * 76 + 122
+        return quickSearchPanelTopY(in: size) + estimatedPanelHeight / 2
+    }
+
+    private func quickSearchPanelTopY(in size: CGSize) -> CGFloat {
+        max(notchHeight + 54, min(112, size.height * 0.12))
+    }
+
+    private func quickSearchMaxVisibleRows(in size: CGSize) -> Int {
+        let bottomClearance: CGFloat = 84
+        let chromeHeight: CGFloat = 122
+        let rowHeightWithSpacing: CGFloat = 76
+        let availableHeight = max(0, size.height - quickSearchPanelTopY(in: size) - bottomClearance - chromeHeight)
+        return max(1, min(8, Int(floor(availableHeight / rowHeightWithSpacing))))
+    }
+
+    private func openQuickSearch(source: String) {
+        guard canOpenQuickSearch else { return }
+        dismissAppBubble()
+        quickSearchCloseHidesOverlay = source == QuickSearchOpenSource.globalHidden
+        quickSearchVisible = true
+        quickSearchQuery = ""
+        quickSearchManualSelection = false
+        quickSearchErrorMessage = nil
+        quickSearchFocusToken &+= 1
+        refreshQuickSearchResults()
+        NotificationCenter.default.post(
+            name: .tagLauncherQuickSearchVisibilityChanged,
+            object: nil,
+            userInfo: ["active": true]
+        )
+    }
+
+    private var canOpenQuickSearch: Bool {
+        editPhase == .none
+            && pendingUncategorizedDrop == nil
+            && smartStartNotice == nil
+            && !dropRefreshVisible
+            && !quickSearchVisible
+    }
+
+    private func closeQuickSearch(notify: Bool = true, hideOverlayIfNeeded: Bool = true) {
+        let shouldHideOverlay = quickSearchVisible && quickSearchCloseHidesOverlay && hideOverlayIfNeeded
+        guard quickSearchVisible else { return }
+        quickSearchVisible = false
+        quickSearchQuery = ""
+        quickSearchResults = []
+        quickSearchSelectedID = nil
+        quickSearchManualSelection = false
+        quickSearchErrorMessage = nil
+        quickSearchCloseHidesOverlay = false
+        if notify {
+            NotificationCenter.default.post(
+                name: .tagLauncherQuickSearchVisibilityChanged,
+                object: nil,
+                userInfo: ["active": false]
+            )
+        }
+        if shouldHideOverlay {
+            hideOverlay()
+        }
+    }
+
+    private func refreshQuickSearchResults() {
+        let previousSelection = quickSearchSelectedID
+        quickSearchResults = QuickSearchEngine.search(quickSearchQuery, documents: quickSearchDocuments)
+
+        if quickSearchResults.isEmpty {
+            quickSearchSelectedID = nil
+            quickSearchManualSelection = false
+            return
+        }
+
+        if quickSearchManualSelection,
+           let previousSelection,
+           quickSearchResults.contains(where: { $0.id == previousSelection }) {
+            quickSearchSelectedID = previousSelection
+        } else {
+            quickSearchSelectedID = quickSearchResults.first?.id
+            quickSearchManualSelection = false
+        }
+    }
+
+    private func handleQuickSearchCommand(_ command: QuickSearchCommand) {
+        switch command {
+        case .moveUp:
+            moveQuickSearchSelection(by: -1)
+        case .moveDown:
+            moveQuickSearchSelection(by: 1)
+        case .submit:
+            guard let selected = selectedQuickSearchResult else { return }
+            launchQuickSearchResult(selected)
+        case .dismiss:
+            closeQuickSearch()
+        }
+    }
+
+    private var selectedQuickSearchResult: QuickSearchResult? {
+        guard let quickSearchSelectedID else { return nil }
+        return quickSearchResults.first { $0.id == quickSearchSelectedID }
+    }
+
+    private func moveQuickSearchSelection(by delta: Int) {
+        guard !quickSearchResults.isEmpty else { return }
+        let currentIndex = quickSearchSelectedID.flatMap { id in
+            quickSearchResults.firstIndex { $0.id == id }
+        } ?? 0
+        let nextIndex = min(max(currentIndex + delta, 0), quickSearchResults.count - 1)
+        quickSearchSelectedID = quickSearchResults[nextIndex].id
+        quickSearchManualSelection = true
+    }
+
+    private func selectQuickSearchResult(_ result: QuickSearchResult) {
+        quickSearchSelectedID = result.id
+        quickSearchManualSelection = true
+    }
+
+    private func launchQuickSearchResult(_ result: QuickSearchResult) {
+        quickSearchErrorMessage = nil
+        launchApp(
+            result.app,
+            closeQuickSearchOnSuccess: true,
+            closeOverlayOnSuccess: true,
+            onFailure: {
+                quickSearchErrorMessage = tr("quickSearch.launchFailed")
+                quickSearchFocusToken &+= 1
+                NSAccessibility.post(
+                    element: NSApp.mainWindow as Any,
+                    notification: .announcementRequested,
+                    userInfo: [.announcement: tr("quickSearch.launchFailed")]
+                )
+            }
+        )
     }
 
     // MARK: - Normal Content
@@ -343,20 +793,35 @@
                 topLayout
             }
 
-            Button {
-                setEditPhase(.editingApps)
-            } label: {
-                Image(systemName: "pencil.line")
-                    .font(.system(size: 16, weight: .medium))
-                    .foregroundStyle(.secondary)
-                    .padding(10)
-                    .background(Circle().fill(.ultraThinMaterial))
-            }
-            .buttonStyle(.plain)
-            .padding(.top, notchHeight > 0 ? notchHeight + 10 : 20)
-            .padding(.trailing, 20)
-            .keyboardShortcut("e", modifiers: .control)
+            floatingActionButtons
+                .padding(.top, floatingControlsTopInset)
+                .padding(.trailing, floatingControlsTrailingInset)
+                .zIndex(2)
         }
+    }
+
+    private var floatingActionButtons: some View {
+        HStack(spacing: 8) {
+            floatingOverlayButton(systemImage: "pencil.line") {
+                setEditPhase(.editingApps)
+            }
+            .keyboardShortcut("e", modifiers: .control)
+            .help(tr("edit.title"))
+
+            floatingOverlayButton(systemImage: "gearshape") {
+                NotificationCenter.default.post(name: .tagLauncherOpenPreferencesRequested, object: nil)
+            }
+            .help(tr("menu.preferences"))
+        }
+    }
+
+    private func floatingOverlayButton(
+        systemImage: String,
+        action: @escaping () -> Void
+    ) -> some View {
+        NativeFloatingIconButton(systemImage: systemImage, action: action)
+            .frame(width: 36, height: 36)
+            .background(Circle().fill(.ultraThinMaterial))
     }
 
     // MARK: - Top / Side Layouts
@@ -377,7 +842,7 @@
             HStack(spacing: 0) {
                 if tagPosition == "left" { tagSidebar; sideDivider }
                 appGridContent
-                if tagPosition == "right" { sideDivider; tagSidebar }
+                if tagPosition == "right" { sideDivider; rightTagSidebar }
             }
         }
     }
@@ -387,12 +852,15 @@
             HStack(spacing: 8) {
                 ForEach(tagLabels) { tag in
                     TagPill(name: tag.name, colorIndex: tag.colorIndex,
+                            dragModeActive: tagNavDragModeActive && canReorderTag(tag.name),
+                            isDragging: tagNavDragItem == tag.name,
+                            dragResetToken: tagNavDragResetToken,
                             action: {
-                        if isColorlessContainerMode {
-                            toggleColorlessFill(tag.id)
-                        }
-                        scrollTo(tag.id)
+                        activateTagNavigation(tag.id)
                     })
+                    .background(tagNavFrameReader(for: tag.name))
+                    .zIndex(tagNavDragItem == tag.name ? 1 : 0)
+                    .highPriorityGesture(tagNavReorderGesture(for: tag.name))
                     .onHover { hovering in
                         if hovering {
                             fillColorlessContainer(tag.id)
@@ -400,21 +868,41 @@
                         }
                     }
                 }
-            }.padding(.horizontal, 24)
+            }
+            .padding(.leading, 24)
+            .padding(.trailing, tagPosition == "top" ? floatingControlsReservedWidth : 24)
+            .coordinateSpace(name: "tagNavReorder")
+            .onPreferenceChange(TagNavReorderFramePreferenceKey.self) { frames in
+                tagNavReorderFrames = frames
+            }
         }
     }
 
     private var tagSidebar: some View {
+        tagSidebarList
+            .frame(width: 135)
+    }
+
+    private var rightTagSidebar: some View {
+        tagSidebarList
+            .padding(.top, rightSidebarFloatingClearance)
+            .frame(width: 135)
+    }
+
+    private var tagSidebarList: some View {
         ScrollView(.vertical, showsIndicators: false) {
             VStack(spacing: 6) {
                 ForEach(tagLabels) { tag in
                     SideTagPill(name: tag.name, colorIndex: tag.colorIndex,
+                                dragModeActive: tagNavDragModeActive && canReorderTag(tag.name),
+                                isDragging: tagNavDragItem == tag.name,
+                                dragResetToken: tagNavDragResetToken,
                                 action: {
-                        if isColorlessContainerMode {
-                            toggleColorlessFill(tag.id)
-                        }
-                        scrollTo(tag.id)
+                        activateTagNavigation(tag.id)
                     })
+                    .background(tagNavFrameReader(for: tag.name))
+                    .zIndex(tagNavDragItem == tag.name ? 1 : 0)
+                    .highPriorityGesture(tagNavReorderGesture(for: tag.name))
                     .onHover { hovering in
                         if hovering {
                             fillColorlessContainer(tag.id)
@@ -422,8 +910,13 @@
                         }
                     }
                 }
-            }.padding(12)
-        }.frame(width: 135)
+            }
+            .padding(12)
+            .coordinateSpace(name: "tagNavReorder")
+            .onPreferenceChange(TagNavReorderFramePreferenceKey.self) { frames in
+                tagNavReorderFrames = frames
+            }
+        }
     }
 
     private var sideDivider: some View {
@@ -444,9 +937,130 @@
                 flatGrid
             }
         }
-        .id(layoutRefreshID)
     }
 
+    private var uncommonAppBubbleOverlay: some View {
+        GeometryReader { proxy in
+            if let context = editingBubble ?? hoveredBubble {
+                let rootFrame = proxy.frame(in: .global)
+                let editing = editingBubble != nil
+                let width = min(editing ? 440 : 520, max(260, proxy.size.width - 48))
+                let placement = bubblePlacement(for: context.frame, rootFrame: rootFrame)
+                let metrics = bubbleMetrics(
+                    for: context,
+                    rootFrame: rootFrame,
+                    rootSize: proxy.size,
+                    width: width,
+                    placement: placement,
+                    isEditing: editing
+                )
+
+                AppNameBubble(
+                    appName: context.app.name,
+                    note: currentNote(for: context.app),
+                    isEditing: editing,
+                    placement: placement,
+                    arrowOffset: metrics.arrowOffset,
+                    draftNote: $bubbleDraftNote,
+                    noteFocused: $bubbleNoteFocused,
+                    onCommit: commitBubbleNote,
+                    onCancel: dismissAppBubble
+                )
+                .frame(width: width)
+                .fixedSize(horizontal: false, vertical: true)
+                .position(x: metrics.centerX, y: metrics.centerY)
+                .transition(.opacity)
+                .zIndex(500)
+            }
+        }
+        .ignoresSafeArea()
+        .allowsHitTesting(editingBubble != nil)
+    }
+
+    private var smartStartNoticeOverlay: some View {
+        GeometryReader { proxy in
+            if let notice = smartStartNotice {
+                let panelWidth = min(560, max(320, proxy.size.width - 64))
+
+                ZStack {
+                    Color.black.opacity(0.10)
+                        .ignoresSafeArea()
+
+                    VStack(spacing: 18) {
+                        Image(systemName: notice.mode == .suggestionOnly ? "sparkles" : "checkmark.seal.fill")
+                            .font(.system(size: 30, weight: .semibold))
+                            .foregroundStyle(Color.accentColor)
+                            .frame(width: 58, height: 58)
+                            .background(
+                                Circle()
+                                    .fill(Color.accentColor.opacity(0.12))
+                            )
+
+                        VStack(spacing: 8) {
+                            Text(notice.title)
+                                .font(.system(size: 21, weight: .semibold))
+                                .foregroundStyle(.primary)
+                                .multilineTextAlignment(.center)
+
+                            Text(notice.message)
+                                .font(.system(size: 15, weight: .regular))
+                                .foregroundStyle(.secondary)
+                                .multilineTextAlignment(.center)
+                                .lineLimit(4)
+                                .fixedSize(horizontal: false, vertical: true)
+                        }
+
+                        HStack(spacing: 12) {
+                            switch notice.mode {
+                            case .suggestionOnly:
+                                Button(tr("smartstart.later")) {
+                                    dismissSmartStartNotice()
+                                }
+                                .buttonStyle(.bordered)
+                                .controlSize(.large)
+
+                                Button(tr("smartstart.apply")) {
+                                    applySmartStartSuggestion()
+                                }
+                                .buttonStyle(.borderedProminent)
+                                .controlSize(.large)
+                            case .autoApplied, .manuallyApplied:
+                                if notice.summary.backupPath != nil {
+                                    Button(tr("smartstart.undo")) {
+                                        undoSmartStart()
+                                    }
+                                    .buttonStyle(.bordered)
+                                    .controlSize(.large)
+                                }
+                                Button(tr("smartstart.ok")) {
+                                    dismissSmartStartNotice()
+                                }
+                                .buttonStyle(.borderedProminent)
+                                .controlSize(.large)
+                            }
+                        }
+                    }
+                    .padding(.horizontal, 30)
+                    .padding(.vertical, 26)
+                    .frame(width: panelWidth)
+                    .background(
+                        RoundedRectangle(cornerRadius: 16)
+                            .fill(.ultraThickMaterial)
+                            .shadow(color: .black.opacity(0.26), radius: 28, y: 16)
+                    )
+                    .overlay(
+                        RoundedRectangle(cornerRadius: 16)
+                            .stroke(.white.opacity(0.16), lineWidth: 1)
+                    )
+                }
+                .frame(width: proxy.size.width, height: proxy.size.height)
+                .transition(.scale(scale: 0.96).combined(with: .opacity))
+                .zIndex(650)
+            }
+        }
+        .ignoresSafeArea()
+        .allowsHitTesting(smartStartNotice != nil)
+    }
     private var flatGrid: some View {
         ScrollViewReader { proxy in
             ScrollView {
@@ -460,6 +1074,11 @@
                             showNames: !hideAppNames,
                             dragModeActive: appDragModeActive,
                             onDragModeChange: { setAppDragMode($0) },
+                            onBubbleHover: handleBubbleHover,
+                            onEditNote: beginEditingBubbleNote,
+                            bubbleDisabled: appBubbleDisabled,
+                            dragResetToken: appDragResetToken,
+                            hoveredAppItemID: $hoveredAppItemID,
                             onDropApp: { path, source, copy in
                                 dropApp(path: path, sourceTag: source, targetTag: group.name, copy: copy)
                             }
@@ -560,6 +1179,12 @@
                         sourceTag: group.name,
                         dragModeActive: appDragModeActive,
                         onDragModeChange: { setAppDragMode($0) },
+                        onBubbleHover: handleBubbleHover,
+                        onEditNote: beginEditingBubbleNote,
+                        bubbleDisabled: appBubbleDisabled,
+                        itemID: "\(group.name)|\(app.path.path)",
+                        dragResetToken: appDragResetToken,
+                        hoveredAppItemID: $hoveredAppItemID,
                         onSelect: { openApp(app) }
                     )
                 }
@@ -586,11 +1211,11 @@
             .allowsHitTesting(false)
         }
         .shadow(color: .black.opacity((isColored && isHovered) || isColorlessActive ? 0.22 : 0),
-                radius: (isColored && isHovered) || isColorlessActive ? 18 : 0,
-                y: (isColored && isHovered) || isColorlessActive ? 10 : 0)
-        .scaleEffect(isColored && isHovered ? 1.015 : 1.0)
-        .animation(.spring(response: 0.25, dampingFraction: 0.82), value: isHovered)
-        .animation(.spring(response: 0.25, dampingFraction: 0.82), value: isColorlessFilled)
+                radius: (isColored && isHovered) || isColorlessActive ? 8 : 0,
+                y: (isColored && isHovered) || isColorlessActive ? 3 : 0)
+        .zIndex(isHovered ? 50 : 0)
+        .animation(.easeOut(duration: 0.045), value: isHovered)
+        .animation(.easeOut(duration: 0.08), value: isColorlessFilled)
         .onHover { hovering in
             if isColored || isColorless {
                 hoveredContainer = hovering ? group.name : nil
@@ -794,6 +1419,12 @@
                                 sourceTag: group.name,
                                 dragModeActive: appDragModeActive,
                                 onDragModeChange: { setAppDragMode($0) },
+                                onBubbleHover: handleBubbleHover,
+                                onEditNote: beginEditingBubbleNote,
+                                bubbleDisabled: appBubbleDisabled,
+                                itemID: "\(group.name)|\(app.path.path)",
+                                dragResetToken: appDragResetToken,
+                                hoveredAppItemID: $hoveredAppItemID,
                                 onSelect: { openApp(app) }
                             )
                                 .frame(width: cellWidth)
@@ -832,11 +1463,11 @@
             .allowsHitTesting(false)
         }
         .shadow(color: .black.opacity((isColored && isHovered) || isColorlessGridActive ? 0.22 : 0),
-                radius: (isColored && isHovered) || isColorlessGridActive ? 18 : 0,
-                y: (isColored && isHovered) || isColorlessGridActive ? 10 : 0)
-        .scaleEffect(isColored && isHovered ? 1.015 : 1.0)
-        .animation(.spring(response: 0.25, dampingFraction: 0.82), value: isHovered)
-        .animation(.spring(response: 0.25, dampingFraction: 0.82), value: isColorlessFilled)
+                radius: (isColored && isHovered) || isColorlessGridActive ? 8 : 0,
+                y: (isColored && isHovered) || isColorlessGridActive ? 3 : 0)
+        .zIndex(isHovered ? 50 : 0)
+        .animation(.easeOut(duration: 0.045), value: isHovered)
+        .animation(.easeOut(duration: 0.08), value: isColorlessFilled)
         .onHover { hovering in
             if isColored || isColorlessGrid {
                 hoveredContainer = hovering ? group.name : nil
@@ -904,55 +1535,56 @@
 
     private var editAppsView: some View {
         VStack(spacing: 0) {
-            HStack {
-                Button { cancelEditApps(); setEditPhase(.none) } label: {
-                    Label(tr("edit.exit"), systemImage: "rectangle.portrait.and.arrow.right")
-                        .font(.system(size: 12))
-                }
-                .buttonStyle(.bordered)
-                Spacer()
-                Text(tr("edit.title")).font(.headline)
-                Spacer()
-                Button(tr("edit.confirm")) { confirmAssign() }
-                    .buttonStyle(.borderedProminent)
-                    .disabled(selectedAppPaths.isEmpty)
-            }
-            .padding(.horizontal, 24)
-            .padding(.top, notchHeight > 0 ? notchHeight + 10 : 20)
-            .padding(.bottom, 12)
+            EditAppsHeaderView(
+                operation: editTagOperation,
+                hintText: editModeHintText,
+                confirmTitle: editConfirmTitle,
+                isConfirmDisabled: selectedAppPaths.isEmpty || pendingOperationTagNames.isEmpty,
+                notchHeight: notchHeight,
+                onExit: {
+                    cancelEditApps()
+                    setEditPhase(.none)
+                },
+                onSelectOperation: setEditTagOperation,
+                onConfirm: confirmAssign
+            )
 
             Divider().opacity(0.3)
 
             HStack(spacing: 0) {
                 VStack(alignment: .leading, spacing: 4) {
-                    Text(tr("edit.selectTags")).font(.caption).foregroundStyle(.secondary).padding(.bottom, 4)
-                    Text(tr("edit.dragHint")).font(.caption2).foregroundStyle(.tertiary).padding(.bottom, 2)
+                    EditAppsSidebarIntroView(
+                        width: editSidebarWidth,
+                        horizontalInset: editSidebarHorizontalInset
+                    )
+
                     ScrollView(.vertical, showsIndicators: false) {
                         VStack(spacing: 4) {
                             ForEach(sortedTagNames, id: \.self) { tagName in
                                 selectableTagItem(tagName)
-                                    .onDrag {
-                                        dragItem = tagName
-                                        return NSItemProvider(object: tagName as NSString)
-                                    }
-                                    .onDrop(of: [.text], isTargeted: nil) { providers, _ in
-                                        guard let fromName = dragItem,
-                                              var names = draggedTagNames as [String]?,
-                                              let fromIdx = names.firstIndex(of: fromName),
-                                              let toIdx = names.firstIndex(of: tagName),
-                                              fromIdx != toIdx
-                                        else { return false }
-                                        let toOffset = toIdx > fromIdx ? toIdx + 1 : toIdx
-                                        names.move(fromOffsets: [fromIdx], toOffset: toOffset)
-                                        draggedTagNames = names
-                                        TagEditor.reorderTags(names)
-                                        dragItem = nil
-                                        return true
-                                    }
+                                    .opacity(dragItem == tagName ? 0.72 : 1.0)
+                                    .scaleEffect(dragItem == tagName ? 1.03 : 1.0)
+                                    .background(
+                                        GeometryReader { proxy in
+                                            Color.clear.preference(
+                                                key: TagReorderFramePreferenceKey.self,
+                                                value: [tagName: proxy.frame(in: .named("tagReorderList"))]
+                                            )
+                                        }
+                                    )
+                                    .zIndex(dragItem == tagName ? 1 : 0)
+                                    .highPriorityGesture(tagReorderGesture(for: tagName))
                             }
-                        }.padding(12)
-                    }.frame(width: 155)
+                        }
+                        .padding(12)
+                        .coordinateSpace(name: "tagReorderList")
+                        .onPreferenceChange(TagReorderFramePreferenceKey.self) { frames in
+                            tagReorderFrames = frames
+                        }
+                    }
+                    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
                 }
+                .frame(width: editSidebarWidth, alignment: .topLeading)
                 Rectangle().fill(.secondary.opacity(0.12)).frame(width: 1)
 
                 if allApps.isEmpty {
@@ -962,29 +1594,19 @@
                 }
             }
 
-            if let msg = successToast {
-                Text(msg).font(.headline)
-                    .padding(.horizontal, 20).padding(.vertical, 10)
-                    .background(RoundedRectangle(cornerRadius: 10).fill(.ultraThickMaterial))
-                    .transition(.move(edge: .bottom).combined(with: .opacity))
-                    .onAppear {
-                        DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) {
-                            withAnimation { successToast = nil }
-                        }
-                    }
-            }
         }
     }
 
     private var editAppsGrid: some View {
         ScrollView {
             LazyVStack(alignment: .leading, spacing: 24) {
-                ForEach(groups) { group in
+                ForEach(editGroups) { group in
                     editFlatGroup(group)
                 }
             }
             .padding(20)
         }
+        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
     }
 
     private func editFlatGroup(_ group: TagGroup) -> some View {
@@ -1013,65 +1635,99 @@
             ) {
                 ForEach(group.apps) { app in editableAppItem(app) }
             }
+            .frame(minHeight: group.apps.isEmpty ? max(52, iconSize + 12) : 0)
         }
     }
 
     private func selectableTagItem(_ tagName: String) -> some View {
         let isSelected = selectedTagNames.contains(tagName)
-        return HStack(spacing: 6) {
-            Circle()
-                .fill(isSelected ? Color.accentColor : Color.secondary.opacity(0.3))
-                .frame(width: 16, height: 16)
-                .overlay(isSelected ? Image(systemName: "checkmark").font(.system(size: 8, weight: .bold)).foregroundStyle(.white) : nil)
-            Text(tagName).font(.system(size: 13, weight: .medium)).foregroundStyle(.primary)
+        let isRemovableCandidate = removableTagNames.contains(tagName)
+        let isUncommon = tagName == TagDatabase.uncommonTagKey
+        let colorIndex = isUncommon ? 0 : (tagColors[tagName] ?? 0)
+        return EditSelectableTagItem(
+            tagName: tagName,
+            displayName: displayTagName(tagName),
+            colorIndex: colorIndex,
+            operation: editTagOperation,
+            isSelected: isSelected,
+            isRemovableCandidate: isRemovableCandidate
+        ) {
+            if isSelected {
+                selectedTagNames.remove(tagName)
+            } else {
+                selectedTagNames.insert(tagName)
+            }
         }
-        .padding(.horizontal, 10).padding(.vertical, 5)
-        .frame(maxWidth: .infinity, alignment: .leading)
-        .background(RoundedRectangle(cornerRadius: 6)
-            .fill(Color(nsColor: TagColor.nsColor(for: tagColors[tagName] ?? 0).withAlphaComponent(0.3))))
-        .contentShape(RoundedRectangle(cornerRadius: 6))
-        .onTapGesture {
-            if isSelected { selectedTagNames.remove(tagName) } else { selectedTagNames.insert(tagName) }
+    }
+
+    private func tagReorderGesture(for tagName: String) -> some Gesture {
+        DragGesture(minimumDistance: 4, coordinateSpace: .named("tagReorderList"))
+            .onChanged { value in
+                guard canReorderTag(tagName) else { return }
+                if dragItem == nil {
+                    dragItem = tagName
+                }
+                guard dragItem == tagName else { return }
+                reorderDraggedTag(at: value.location)
+            }
+            .onEnded { _ in
+                guard canReorderTag(tagName) else { return }
+                dragItem = nil
+                TagEditor.reorderTags(draggedTagNames)
+            }
+    }
+
+    private func reorderDraggedTag(at location: CGPoint) {
+        guard let fromName = dragItem,
+              let targetName = tagReorderFrames.first(where: { $0.value.contains(location) })?.key,
+              fromName != targetName,
+              let fromIndex = draggedTagNames.firstIndex(of: fromName),
+              let toIndex = draggedTagNames.firstIndex(of: targetName)
+        else { return }
+
+        withAnimation(.easeInOut(duration: 0.14)) {
+            let destination = toIndex > fromIndex ? toIndex + 1 : toIndex
+            draggedTagNames.move(fromOffsets: IndexSet(integer: fromIndex), toOffset: destination)
         }
     }
 
     private func confirmAssign() {
-        guard !selectedAppPaths.isEmpty else { return }
-        let paths = selectedAppPaths.map { $0.path }
-        let tags = sortedTagNames.filter { selectedTagNames.contains($0) }
-        TagEditor.setTags(tags, to: paths)
-        selectedAppPaths = []; selectedTagNames = []
+        let selectedApps = allApps.filter { selectedAppPaths.contains($0.path) }
+        let tags = pendingOperationTagNames
+        guard !selectedApps.isEmpty, !tags.isEmpty else { return }
+
+        let paths = selectedApps.map { $0.path.path }
+        let feedback = buildEditActionFeedback(for: selectedApps, tags: tags)
+
+        switch editTagOperation {
+        case .add:
+            TagEditor.appendTags(tags, to: paths)
+        case .remove:
+            TagEditor.removeTags(tags, from: paths)
+        }
+        selectedAppPaths = []
+        selectedTagNames = []
+        removableTagNames = []
         refreshApps()
-        withAnimation { successToast = tr("edit.success") }
+        showEditActionFeedback(feedback)
     }
 
     private func cancelEditApps() {
-        selectedAppPaths = []; selectedTagNames = []
+        selectedAppPaths = []
+        selectedTagNames = []
+        removableTagNames = []
+        editTagOperation = .add
     }
 
     private func editableAppItem(_ app: AppInfo) -> some View {
         let isSelected = selectedAppPaths.contains(app.path)
-        return Button {
+        return EditableAppSelectionItem(
+            app: app,
+            iconSize: iconSize,
+            isSelected: isSelected
+        ) {
             toggleEditableAppSelection(app)
-        } label: {
-            VStack(spacing: 4) {
-                ZStack(alignment: .topTrailing) {
-                    Image(nsImage: app.icon).resizable().aspectRatio(contentMode: .fit)
-                        .frame(width: iconSize, height: iconSize)
-                    Circle()
-                        .fill(isSelected ? Color.accentColor : Color.secondary.opacity(0.3))
-                        .frame(width: 20, height: 20)
-                        .overlay(isSelected ? Image(systemName: "checkmark").font(.system(size: 10, weight: .bold)).foregroundStyle(.white) : nil)
-                        .offset(x: 6, y: -6)
-                }
-                Text(app.name).font(.system(size: 11, weight: .medium)).lineLimit(1).truncationMode(.tail)
-                    .frame(maxWidth: iconSize + 20)
-            }
-            .padding(.vertical, 8).padding(.horizontal, 4)
-            .contentShape(RoundedRectangle(cornerRadius: 10))
-            .opacity(isSelected ? 1.0 : 0.65)
         }
-        .buttonStyle(.plain)
     }
 
     private func toggleEditableAppSelection(_ app: AppInfo) {
@@ -1084,20 +1740,310 @@
     }
 
     private func syncSelectedTagsFromSelectedApps() {
-        let selectedApps = allApps.filter { selectedAppPaths.contains($0.path) }
-        guard !selectedApps.isEmpty else {
+        guard !selectedAppPaths.isEmpty else {
             selectedTagNames = []
+            removableTagNames = []
             return
         }
 
-        let editableTags = Set(sortedTagNames)
-        if selectedApps.count == 1 {
-            selectedTagNames = Set(selectedApps[0].tags.filter { editableTags.contains($0) })
+        guard editTagOperation == .remove else {
+            removableTagNames = []
             return
         }
 
-        selectedTagNames = selectedApps.reduce(into: Set<String>()) { result, app in
-            result.formUnion(app.tags.filter { editableTags.contains($0) })
+        let selectedApps = allApps.filter { selectedAppPaths.contains($0.path) }
+        let autoSelectedTags = selectedApps.reduce(into: Set<String>()) { result, app in
+            result.formUnion(app.tags)
+            if app.isUncommon {
+                result.insert(TagDatabase.uncommonTagKey)
+            }
+        }
+        removableTagNames = autoSelectedTags
+        selectedTagNames = autoSelectedTags
+    }
+
+    private var editConfirmTitle: String {
+        switch editTagOperation {
+        case .add:
+            return tr("edit.confirmAdd")
+        case .remove:
+            return tr("edit.confirmRemove")
+        }
+    }
+
+    private func setEditTagOperation(_ mode: EditTagOperation) {
+        guard editTagOperation != mode else { return }
+        editTagOperation = mode
+        if mode == .add {
+            selectedTagNames = []
+            removableTagNames = []
+        } else {
+            syncSelectedTagsFromSelectedApps()
+        }
+    }
+
+    private var pendingOperationTagNames: [String] {
+        switch editTagOperation {
+        case .add:
+            return sortedTagNames.filter { selectedTagNames.contains($0) }
+        case .remove:
+            return sortedTagNames.filter { removableTagNames.contains($0) && !selectedTagNames.contains($0) }
+        }
+    }
+
+    private var editModeHintText: String {
+        editTagOperation == .remove ? tr("edit.removeHint") : tr("edit.modeHint")
+    }
+
+    private var editActionFeedbackOverlay: some View {
+        GeometryReader { proxy in
+            if let feedback = editActionFeedback {
+                ZStack {
+                    Color.black.opacity(0.08)
+                        .ignoresSafeArea()
+
+                    EditActionFeedbackBubble(
+                        title: feedback.title,
+                        message: feedback.message,
+                        onClose: dismissEditActionFeedback
+                    )
+                    .frame(width: min(760, max(360, proxy.size.width - 120)))
+                    .position(x: proxy.size.width / 2, y: proxy.size.height / 2)
+                    .transition(.scale(scale: 0.94).combined(with: .opacity))
+                }
+                .zIndex(700)
+            }
+        }
+        .ignoresSafeArea()
+        .allowsHitTesting(editActionFeedback != nil)
+    }
+
+    private var uncategorizedDropConfirmOverlay: some View {
+        GeometryReader { proxy in
+            if let pendingDrop = pendingUncategorizedDrop {
+                ZStack {
+                    Color.black.opacity(0.14)
+                        .ignoresSafeArea()
+
+                    UncategorizedDropConfirmBubble(
+                        title: tr("drop.uncategorizedConfirmTitle"),
+                        message: uncategorizedConfirmMessage(for: pendingDrop),
+                        cancelTitle: tr("tag.cancel"),
+                        confirmTitle: tr("edit.confirm"),
+                        onCancel: dismissUncategorizedDropConfirm,
+                        onConfirm: confirmPendingUncategorizedDrop
+                    )
+                    .frame(width: min(540, max(340, proxy.size.width - 120)))
+                    .position(x: proxy.size.width / 2, y: proxy.size.height / 2)
+                    .transition(.scale(scale: 0.94).combined(with: .opacity))
+                }
+                .zIndex(710)
+            }
+        }
+        .ignoresSafeArea()
+        .allowsHitTesting(pendingUncategorizedDrop != nil)
+    }
+
+    private func buildEditActionFeedback(for selectedApps: [AppInfo], tags: [String]) -> EditActionFeedback {
+        let appNames = selectedApps.map(\.name)
+            .joined(separator: localizedListSeparator)
+
+        switch editTagOperation {
+        case .add:
+            let actualAddCount = selectedApps.reduce(into: 0) { count, app in
+                count += tags.reduce(into: 0) { subtotal, tagName in
+                    if !appHasTag(app, tagName: tagName) {
+                        subtotal += 1
+                    }
+                }
+            }
+
+            return EditActionFeedback(
+                title: tr("edit.confirmAdd"),
+                message: formattedFeedbackMessage(
+                    forKey: "edit.feedbackAddFormat",
+                    replacements: [
+                        "%appCount%": "\(selectedApps.count)",
+                        "%appNames%": appNames,
+                        "%tagCount%": "\(actualAddCount)"
+                    ]
+                )
+            )
+
+        case .remove:
+            let actualRemovedTagNames = tags.filter { tagName in
+                selectedApps.contains(where: { appHasTag($0, tagName: tagName) })
+            }
+            let actualRemoveCount = selectedApps.reduce(into: 0) { count, app in
+                count += tags.reduce(into: 0) { subtotal, tagName in
+                    if appHasTag(app, tagName: tagName) {
+                        subtotal += 1
+                    }
+                }
+            }
+
+            return EditActionFeedback(
+                title: tr("edit.confirmRemove"),
+                message: formattedFeedbackMessage(
+                    forKey: "edit.feedbackRemoveFormat",
+                    replacements: [
+                        "%appCount%": "\(selectedApps.count)",
+                        "%appNames%": appNames,
+                        "%tagCount%": "\(actualRemoveCount)",
+                        "%tagNames%": actualRemovedTagNames
+                            .map(displayTagName)
+                            .joined(separator: localizedListSeparator)
+                    ]
+                )
+            )
+        }
+    }
+
+    private func appHasTag(_ app: AppInfo, tagName: String) -> Bool {
+        if tagName == TagDatabase.uncommonTagKey {
+            return app.isUncommon
+        }
+        return app.tags.contains(tagName)
+    }
+
+    private func formattedFeedbackMessage(forKey key: String, replacements: [String: String]) -> String {
+        replacements.reduce(tr(key)) { partial, replacement in
+            partial.replacingOccurrences(of: replacement.key, with: replacement.value)
+        }
+    }
+
+    private func showEditActionFeedback(_ feedback: EditActionFeedback) {
+        let feedbackID = feedback.id
+        withAnimation(.spring(response: 0.24, dampingFraction: 0.82)) {
+            editActionFeedback = feedback
+        }
+        DispatchQueue.main.asyncAfter(deadline: .now() + 2.6) {
+            guard editActionFeedback?.id == feedbackID else { return }
+            dismissEditActionFeedback()
+        }
+    }
+
+    private func dismissEditActionFeedback() {
+        withAnimation(.easeOut(duration: 0.18)) {
+            editActionFeedback = nil
+        }
+    }
+
+    private func showSmartStartNotice(
+        mode: SmartStartNoticeMode,
+        summary: SmartStartSummary
+    ) {
+        let titleKey: String
+        let messageKey: String
+
+        switch mode {
+        case .autoApplied:
+            titleKey = "smartstart.auto.title"
+            messageKey = "smartstart.auto.messageFormat"
+        case .suggestionOnly:
+            titleKey = "smartstart.suggestion.title"
+            messageKey = "smartstart.suggestion.messageFormat"
+        case .manuallyApplied:
+            titleKey = "smartstart.applied.title"
+            messageKey = "smartstart.applied.messageFormat"
+        }
+
+        let notice = SmartStartNotice(
+            mode: mode,
+            title: tr(titleKey),
+            message: formattedFeedbackMessage(
+                forKey: messageKey,
+                replacements: [
+                    "%appCount%": "\(summary.matchedAppCount)",
+                    "%tagCount%": "\(summary.assignedTagCount)",
+                    "%createdTagCount%": "\(summary.createdTagCount)"
+                ]
+            ),
+            summary: summary
+        )
+
+        withAnimation(.spring(response: 0.28, dampingFraction: 0.86)) {
+            smartStartNotice = notice
+        }
+    }
+
+    private func handleSmartStartRunResult(_ result: SmartStartRunResult) {
+        switch result.mode {
+        case .none:
+            return
+        case .autoApplied:
+            pendingSmartStartDraft = nil
+            if let summary = result.summary {
+                showSmartStartNotice(mode: .autoApplied, summary: summary)
+            }
+        case .suggestionOnly:
+            pendingSmartStartDraft = result.draft
+            if let summary = result.summary {
+                showSmartStartNotice(mode: .suggestionOnly, summary: summary)
+            }
+        }
+    }
+
+    private func applySmartStartSuggestion() {
+        guard let draft = pendingSmartStartDraft else {
+            dismissSmartStartNotice()
+            return
+        }
+
+        let scannedApps = allApps
+        DispatchQueue.global(qos: .userInitiated).async {
+            let result = SmartStartService.applySuggestion(draft)
+            let store = result.store
+            let apps = TagEditor.annotate(apps: scannedApps, store: store)
+            let colors = store.tags.mapValues { $0.color }
+            let order = TagEditor.orderedTagNames()
+
+            DispatchQueue.main.async {
+                pendingSmartStartDraft = nil
+                allApps = apps
+                tagColors = colors
+                draggedTagNames = order
+                if let summary = result.summary {
+                    showSmartStartNotice(mode: .manuallyApplied, summary: summary)
+                } else {
+                    dismissSmartStartNotice()
+                }
+            }
+        }
+    }
+
+    private func undoSmartStart() {
+        guard let backupPath = smartStartNotice?.summary.backupPath else {
+            dismissSmartStartNotice()
+            return
+        }
+
+        DispatchQueue.global(qos: .userInitiated).async {
+            let restored = SmartStartService.restoreBackup(at: backupPath)
+            DispatchQueue.main.async {
+                pendingSmartStartDraft = nil
+                dismissSmartStartNotice()
+                if restored {
+                    refreshApps(forceLayoutRefresh: true)
+                }
+            }
+        }
+    }
+
+    private func dismissSmartStartNotice() {
+        withAnimation(.easeOut(duration: 0.18)) {
+            smartStartNotice = nil
+        }
+    }
+
+    private var localizedListSeparator: String {
+        switch L10n.currentCode {
+        case "zh-Hans", "zh-Hant", "ja":
+            return "、"
+        case "ar", "ar-Najdi":
+            return "، "
+        default:
+            return ", "
         }
     }
 
@@ -1108,7 +2054,11 @@
         // Use user-defined order, fall back to alpha
         let ordered = draggedTagNames.filter { filtered.contains($0) }
         let remaining = filtered.filter { !ordered.contains($0) }.sorted()
-        return ordered + remaining
+        return ordered + remaining + [TagDatabase.uncommonTagKey]
+    }
+
+    private func displayTagName(_ tagName: String) -> String {
+        tagName == TagDatabase.uncommonTagKey ? tr("group.uncommon") : tagName
     }
 
     private var tagLabels: [TagLabel] {
@@ -1132,20 +2082,253 @@
         }
     }
 
+    private var editGroups: [TagGroup] {
+        groups + [
+            TagGroup(
+                name: tr("group.uncommon"),
+                apps: allApps.filter(\.isUncommon).sorted {
+                    $0.name.localizedStandardCompare($1.name) == .orderedAscending
+                }
+            )
+        ]
+    }
+
     // MARK: - Actions
+
+    private func refreshNotchHeight() {
+        let mousePoint = NSEvent.mouseLocation
+        let activeScreen = NSScreen.screens.first(where: {
+            NSMouseInRect(mousePoint, $0.frame, false)
+        }) ?? NSScreen.main
+        notchHeight = activeScreen?.safeAreaInsets.top ?? 0
+    }
+
+    private func handleBubbleHover(app: AppInfo, frame: CGRect, event: AppBubbleHoverEvent) {
+        guard !appBubbleDisabled else {
+            clearAppBubbleState()
+            return
+        }
+        guard editingBubble == nil else { return }
+        switch event {
+        case .entered(let canShowBubble):
+            if canShowBubble {
+                hoveredBubble = AppBubbleContext(app: app, frame: frame)
+            } else {
+                hoveredBubble = nil
+            }
+        case .exited:
+            guard hoveredBubble?.app.path == app.path else { return }
+            hoveredBubble = nil
+        }
+    }
+
+    private func beginEditingBubbleNote(app: AppInfo, frame: CGRect) {
+        guard !appBubbleDisabled else {
+            clearAppBubbleState()
+            return
+        }
+        bubbleDraftNote = currentNote(for: app)
+        hoveredBubble = nil
+        editingBubble = AppBubbleContext(app: app, frame: frame)
+        notifyAppNoteEditing(active: true)
+        DispatchQueue.main.async {
+            bubbleNoteFocused = true
+        }
+    }
+
+    private func commitBubbleNote() {
+        guard let context = editingBubble else { return }
+        let limited = String(bubbleDraftNote.prefix(TagDatabase.maxAppNoteLength))
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+        TagEditor.setAppNote(limited, for: context.app.path.path)
+        bubbleDraftNote = limited
+        editingBubble = nil
+        bubbleNoteFocused = false
+        notifyAppNoteEditing(active: false)
+        refreshApps()
+    }
+
+    private func dismissAppBubble() {
+        hoveredBubble = nil
+        if editingBubble != nil {
+            notifyAppNoteEditing(active: false)
+        }
+        editingBubble = nil
+        bubbleNoteFocused = false
+    }
+
+    private func clearAppBubbleState() {
+        hoveredAppItemID = nil
+        hoveredBubble = nil
+        if editingBubble != nil {
+            notifyAppNoteEditing(active: false)
+        }
+        editingBubble = nil
+        bubbleNoteFocused = false
+    }
+
+    private func notifyAppNoteEditing(active: Bool) {
+        NotificationCenter.default.post(
+            name: .tagLauncherAppNoteEditingChanged,
+            object: nil,
+            userInfo: ["active": active]
+        )
+    }
+
+    private func currentNote(for app: AppInfo) -> String {
+        if let latest = allApps.first(where: { $0.path == app.path })?.note {
+            return latest
+        }
+        return app.note ?? ""
+    }
+
+    private func bubblePlacement(for frame: CGRect, rootFrame: CGRect) -> BubblePlacement {
+        frame.minY < 170 ? .below : .above
+    }
+
+    private func bubbleMetrics(
+        for context: AppBubbleContext,
+        rootFrame: CGRect,
+        rootSize: CGSize,
+        width: CGFloat,
+        placement: BubblePlacement,
+        isEditing: Bool
+    ) -> AppBubbleMetrics {
+        let appCenterX = context.frame.midX
+        let halfWidth = width / 2
+        let centerX = min(max(appCenterX, halfWidth + 24), max(halfWidth + 24, rootSize.width - halfWidth - 24))
+        let estimatedHeight = estimatedBubbleHeight(for: context.app, width: width, isEditing: isEditing)
+        let gap: CGFloat = 16
+        let topY: CGFloat
+        if placement == .below {
+            topY = context.frame.maxY + gap
+        } else {
+            topY = context.frame.minY - estimatedHeight - gap
+        }
+        let clampedTopY = min(max(topY, 14), max(14, rootSize.height - estimatedHeight - 14))
+        let arrowX = min(max(appCenterX, centerX - halfWidth + 28), centerX + halfWidth - 28)
+        return AppBubbleMetrics(
+            centerX: centerX,
+            centerY: clampedTopY + estimatedHeight / 2,
+            arrowX: arrowX,
+            arrowOffset: arrowX - centerX
+        )
+    }
+
+    private func estimatedBubbleHeight(for app: AppInfo, width: CGFloat, isEditing: Bool) -> CGFloat {
+        if isEditing {
+            return 120
+        }
+        let note = currentNote(for: app).trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !note.isEmpty else { return 68 }
+        let contentWidth = max(160, width - 48)
+        let approxCharsPerLine = max(16, Int(contentWidth / 14))
+        let lines = min(4, max(1, Int(ceil(Double(note.count) / Double(approxCharsPerLine)))))
+        return 70 + CGFloat(lines) * 20
+    }
 
     func scrollTo(_ id: String) {
         withAnimation(.easeInOut(duration: 0.25)) { scrollProxy?.scrollTo(id, anchor: .top) }
     }
 
+    private func activateTagNavigation(_ id: String) {
+        cancelTagNavReorderVisualState()
+        if isColorlessContainerMode {
+            toggleColorlessFill(id)
+        }
+        scrollTo(id)
+    }
+
     private func fillColorlessContainer(_ id: String) {
         guard isColorlessContainerMode else { return }
+        guard filledColorlessContainer != id else { return }
         filledColorlessContainer = id
     }
 
     private func toggleColorlessFill(_ id: String) {
         guard isColorlessContainerMode else { return }
         filledColorlessContainer = (filledColorlessContainer == id) ? nil : id
+    }
+
+    private func canReorderTag(_ name: String) -> Bool {
+        tagColors[name] != nil && name != "Mac自带" && name != defaultGroupName
+    }
+
+    private func tagNavFrameReader(for tagName: String) -> some View {
+        GeometryReader { proxy in
+            Color.clear.preference(
+                key: TagNavReorderFramePreferenceKey.self,
+                value: canReorderTag(tagName)
+                    ? [tagName: proxy.frame(in: .named("tagNavReorder"))]
+                    : [:]
+            )
+        }
+    }
+
+    private func tagNavReorderGesture(for tagName: String) -> some Gesture {
+        LongPressGesture(minimumDuration: 0.35)
+            .sequenced(before: DragGesture(minimumDistance: 0, coordinateSpace: .named("tagNavReorder")))
+            .onChanged { value in
+                guard canReorderTag(tagName) else { return }
+                switch value {
+                case .second(true, let drag?):
+                    if tagNavDragItem == nil {
+                        beginTagNavReorder(tagName)
+                    }
+                    reorderTagNavItem(at: drag.location)
+                default:
+                    break
+                }
+            }
+            .onEnded { value in
+                guard canReorderTag(tagName) else { return }
+                if case .second(true, let drag?) = value {
+                    reorderTagNavItem(at: drag.location)
+                }
+                endTagNavReorder()
+            }
+    }
+
+    private func beginTagNavReorder(_ tagName: String) {
+        guard canReorderTag(tagName) else { return }
+        if tagNavDragItem == nil {
+            tagNavDragItem = tagName
+            tagNavReorderDidMove = false
+        }
+        tagNavDragModeActive = true
+    }
+
+    private func endTagNavReorder() {
+        if tagNavDragModeActive && tagNavReorderDidMove {
+            TagEditor.reorderTags(draggedTagNames)
+        }
+        tagNavDragModeActive = false
+        tagNavDragItem = nil
+        tagNavReorderDidMove = false
+        tagNavDragResetToken &+= 1
+    }
+
+    private func cancelTagNavReorderVisualState() {
+        guard tagNavDragModeActive || tagNavDragItem != nil else { return }
+        tagNavDragModeActive = false
+        tagNavDragItem = nil
+        tagNavReorderDidMove = false
+        tagNavDragResetToken &+= 1
+    }
+
+    private func reorderTagNavItem(at location: CGPoint) {
+        guard let fromName = tagNavDragItem,
+              let targetName = tagNavReorderFrames.first(where: { $0.value.contains(location) })?.key,
+              fromName != targetName,
+              let fromIndex = draggedTagNames.firstIndex(of: fromName),
+              let toIndex = draggedTagNames.firstIndex(of: targetName)
+        else { return }
+
+        tagNavReorderDidMove = true
+        withAnimation(.spring(response: 0.22, dampingFraction: 0.82)) {
+            let destination = toIndex > fromIndex ? toIndex + 1 : toIndex
+            draggedTagNames.move(fromOffsets: IndexSet(integer: fromIndex), toOffset: destination)
+        }
     }
 
     private func handleAppDrop(_ providers: [NSItemProvider], targetTag: String) -> Bool {
@@ -1176,11 +2359,18 @@
     }
 
     private func dropApp(path: String, sourceTag: String, targetTag: String, copy: Bool) {
-        appDragModeActive = false
-        guard !isSystemDefaultDropTarget(targetTag) else {
+        resetTransientDragState(keepingPendingUncategorizedDrop: true)
+
+        if isUncategorizedDropTarget(targetTag) {
+            confirmAndMoveAppToUncategorized(path: path)
+            return
+        }
+
+        guard !isAppleBuiltInDropTarget(targetTag) else {
             showDropWarning()
             return
         }
+
         guard tagColors[targetTag] != nil else { return }
         guard sourceTag != targetTag || copy else { return }
         TagEditor.moveApp(
@@ -1194,10 +2384,69 @@
         refreshApps(forceLayoutRefresh: true)
     }
 
-    private func isSystemDefaultDropTarget(_ targetTag: String) -> Bool {
+    private func confirmAndMoveAppToUncategorized(path: String) {
+        guard let app = allApps.first(where: { $0.path.path == path }) else { return }
+        let assignedTags = assignedRegularDisplayTags(for: app)
+        guard !assignedTags.isEmpty else { return }
+
+        clearAppBubbleState()
+        withAnimation(.spring(response: 0.24, dampingFraction: 0.84)) {
+            pendingUncategorizedDrop = PendingUncategorizedDrop(app: app, assignedTags: assignedTags)
+        }
+    }
+
+    private func assignedRegularDisplayTags(for app: AppInfo) -> [String] {
+        var result: [String] = []
+        for tag in app.tags {
+            let name = displayTagName(tag)
+            if !result.contains(name) {
+                result.append(name)
+            }
+        }
+        return result
+    }
+
+    private func uncategorizedConfirmMessage(for pendingDrop: PendingUncategorizedDrop) -> String {
+        formattedFeedbackMessage(
+            forKey: "drop.uncategorizedConfirmMessage",
+            replacements: [
+                "%appName%": pendingDrop.app.name,
+                "%tagCount%": "\(pendingDrop.assignedTags.count)",
+                "%tagNames%": pendingDrop.assignedTags.joined(separator: localizedListSeparator)
+            ]
+        )
+    }
+
+    private func dismissUncategorizedDropConfirm() {
+        resetTransientDragState(keepingPendingUncategorizedDrop: true)
+        withAnimation(.easeOut(duration: 0.18)) {
+            pendingUncategorizedDrop = nil
+        }
+    }
+
+    private func confirmPendingUncategorizedDrop() {
+        guard let pendingDrop = pendingUncategorizedDrop else { return }
+        let path = pendingDrop.app.path.path
+        let tags = pendingDrop.app.tags
+        resetTransientDragState(keepingPendingUncategorizedDrop: true)
+        withAnimation(.easeOut(duration: 0.16)) {
+            pendingUncategorizedDrop = nil
+        }
+        TagEditor.removeTags(tags, from: [path])
+        showDropRefresh()
+        refreshApps(forceLayoutRefresh: true)
+    }
+
+    private func isUncategorizedDropTarget(_ targetTag: String) -> Bool {
         let defaultNames = [
             defaultGroupName,
-            tr("group.uncategorized"),
+            tr("group.uncategorized")
+        ]
+        return defaultNames.contains(targetTag)
+    }
+
+    private func isAppleBuiltInDropTarget(_ targetTag: String) -> Bool {
+        let defaultNames = [
             "Mac自带",
             tr("group.appleBuiltIn")
         ]
@@ -1235,6 +2484,10 @@
     }
 
     private func setAppDragMode(_ active: Bool) {
+        if active {
+            endTagNavReorder()
+            clearAppBubbleState()
+        }
         appDragModeActive = active
         if active {
             DispatchQueue.main.asyncAfter(deadline: .now() + 8) {
@@ -1245,47 +2498,120 @@
         }
     }
 
+    private func resetTransientDragState(keepingPendingUncategorizedDrop: Bool = false) {
+        AppDragCoordinator.shared.cancelDrag()
+        appDragModeActive = false
+        appDragResetToken &+= 1
+        tagNavDragModeActive = false
+        tagNavDragItem = nil
+        tagNavReorderDidMove = false
+        tagNavDragResetToken &+= 1
+        dragItem = nil
+        hoveredAppItemID = nil
+        hoveredContainer = nil
+        clearAppBubbleState()
+        if !keepingPendingUncategorizedDrop {
+            pendingUncategorizedDrop = nil
+        }
+    }
+
     func refreshApps(forceLayoutRefresh: Bool = false) {
+        guard !refreshInProgress else {
+            if forceLayoutRefresh {
+                refreshAgainAfterCurrent = true
+                refreshAgainForceLayout = true
+            }
+            return
+        }
+
+        refreshInProgress = true
         DispatchQueue.global(qos: .userInitiated).async {
-            var apps = AppIndexer.scan()
-            let store = TagDatabase.load()
-            apps = TagEditor.annotate(apps: apps)
+            let scannedApps = AppIndexer.scan()
+            let reconciledStore = TagEditor.reconcileScannedApps(scannedApps)
+            let smartStartResult = SmartStartService.runIfNeeded(
+                apps: scannedApps,
+                store: reconciledStore
+            )
+            let store = smartStartResult.store
+            let apps = TagEditor.annotate(apps: scannedApps, store: store)
+            let quickSearchDocs = QuickSearchEngine.makeDocuments(apps: apps, store: store)
             let colors = store.tags.mapValues { $0.color }
             let order = TagEditor.orderedTagNames()
             DispatchQueue.main.async {
                 allApps = apps
+                quickSearchDocuments = quickSearchDocs
                 tagColors = colors
                 draggedTagNames = order
+                if quickSearchVisible {
+                    refreshQuickSearchResults()
+                }
+                handleSmartStartRunResult(smartStartResult)
                 if forceLayoutRefresh {
-                    withAnimation(.spring(response: 0.28, dampingFraction: 0.86)) {
-                        layoutRefreshID = UUID()
-                    }
                     finishDropRefreshAfterMinimumDuration()
+                }
+                refreshInProgress = false
+                if refreshAgainAfterCurrent {
+                    let shouldForceLayout = refreshAgainForceLayout
+                    refreshAgainAfterCurrent = false
+                    refreshAgainForceLayout = false
+                    refreshApps(forceLayoutRefresh: shouldForceLayout)
+                }
+            }
+        }
+    }
+
+    private func launchApp(
+        _ app: AppInfo,
+        closeQuickSearchOnSuccess: Bool = false,
+        closeOverlayOnSuccess: Bool = true,
+        onFailure: (() -> Void)? = nil
+    ) {
+        appDragModeActive = false
+        endTagNavReorder()
+        let configuration = NSWorkspace.OpenConfiguration()
+        NSWorkspace.shared.openApplication(at: app.path, configuration: configuration) { _, error in
+            DispatchQueue.main.async {
+                guard error == nil else {
+                    onFailure?()
+                    return
+                }
+
+                DispatchQueue.global(qos: .utility).async {
+                    TagEditor.recordLauncherOpen(for: app.path.path)
+                }
+                if closeQuickSearchOnSuccess {
+                    closeQuickSearch(hideOverlayIfNeeded: false)
+                }
+                if closeOverlayOnSuccess {
+                    hideOverlay()
                 }
             }
         }
     }
 
     func openApp(_ app: AppInfo) {
-        appDragModeActive = false
-        hideOverlay()
-        if let bundleIdentifier = app.bundleIdentifier {
-            NSWorkspace.shared.launchApplication(
-                withBundleIdentifier: bundleIdentifier,
-                options: [],
-                additionalEventParamDescriptor: nil,
-                launchIdentifier: nil
-            )
-            return
-        }
-
-        let configuration = NSWorkspace.OpenConfiguration()
-        NSWorkspace.shared.openApplication(at: app.path, configuration: configuration)
+        launchApp(app)
     }
 }
 
 // MARK: - Tag Label
 
+private struct TagReorderFramePreferenceKey: PreferenceKey {
+    static var defaultValue: [String: CGRect] = [:]
+
+    static func reduce(value: inout [String: CGRect], nextValue: () -> [String: CGRect]) {
+        value.merge(nextValue(), uniquingKeysWith: { _, new in new })
+    }
+}
+
+private struct TagNavReorderFramePreferenceKey: PreferenceKey {
+    static var defaultValue: [String: CGRect] = [:]
+
+    static func reduce(value: inout [String: CGRect], nextValue: () -> [String: CGRect]) {
+        value.merge(nextValue(), uniquingKeysWith: { _, new in new })
+    }
+}
+
 private struct TagLabel: Identifiable {
     var id: String { name }
     let name: String

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