fix: restore native window controls

GhosttyTabs.xcodeproj/project.pbxproj

@@ -229,7 +229,6 @@
 		A500120D /* UpdateLogStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001223 /* UpdateLogStore.swift */; };
 		A5001207 /* UpdatePopoverView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001217 /* UpdatePopoverView.swift */; };
 		A5001208 /* UpdateTitlebarAccessory.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001218 /* UpdateTitlebarAccessory.swift */; };
-		A5001240 /* WindowDecorationsController.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001241 /* WindowDecorationsController.swift */; };
 		A5001610 /* SessionPersistence.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001611 /* SessionPersistence.swift */; };
 		A5001640 /* RemoteRelayZshBootstrap.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001641 /* RemoteRelayZshBootstrap.swift */; };
 		A5001650 /* ProgramaConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5001651 /* ProgramaConfig.swift */; };
@@ -653,7 +652,6 @@
 		A5001218 /* UpdateTitlebarAccessory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Update/UpdateTitlebarAccessory.swift; sourceTree = "<group>"; };
 		A5001222 /* WindowAccessor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WindowAccessor.swift; sourceTree = "<group>"; };
 		A5001223 /* UpdateLogStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Update/UpdateLogStore.swift; sourceTree = "<group>"; };
-		A5001241 /* WindowDecorationsController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WindowDecorationsController.swift; sourceTree = "<group>"; };
 		A5001611 /* SessionPersistence.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SessionPersistence.swift; sourceTree = "<group>"; };
 		A5001651 /* ProgramaConfig.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProgramaConfig.swift; sourceTree = "<group>"; };
 		A5001653 /* ProgramaConfigExecutor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProgramaConfigExecutor.swift; sourceTree = "<group>"; };
@@ -1107,7 +1105,6 @@
 				A5001223 /* UpdateLogStore.swift */,
 				A5001217 /* UpdatePopoverView.swift */,
 				A5001218 /* UpdateTitlebarAccessory.swift */,
-				A5001241 /* WindowDecorationsController.swift */,
 				A5001222 /* WindowAccessor.swift */,
 				A5001611 /* SessionPersistence.swift */,
 				A5001641 /* RemoteRelayZshBootstrap.swift */,
@@ -1675,7 +1672,6 @@
 				A500120D /* UpdateLogStore.swift in Sources */,
 				A5001207 /* UpdatePopoverView.swift in Sources */,
 				A5001208 /* UpdateTitlebarAccessory.swift in Sources */,
-				A5001240 /* WindowDecorationsController.swift in Sources */,
 				A500120C /* WindowAccessor.swift in Sources */,
 				A5001610 /* SessionPersistence.swift in Sources */,
 				A5001640 /* RemoteRelayZshBootstrap.swift in Sources */,

Sources/AppDelegate.swift

@@ -857,7 +857,6 @@ final class AppDelegate: NSObject, NSApplicationDelegate, @preconcurrency UNUser
     private var browserAddressBarBlurObserver: NSObjectProtocol?
     private let updateController = UpdateController()
     private lazy var titlebarAccessoryController = UpdateTitlebarAccessoryController(viewModel: updateViewModel)
-    private let windowDecorationsController = WindowDecorationsController()
     private var menuBarExtraController: MenuBarExtraController?
     private static let serviceErrorNoPath = NSString(string: String(localized: "error.clipboardFolderPath", defaultValue: "Could not load any folder path from the clipboard."))
     private static let didInstallWindowKeyEquivalentSwizzle: Void = {
@@ -1170,10 +1169,6 @@ final class AppDelegate: NSObject, NSApplicationDelegate, @preconcurrency UNUser
             updateController.startUpdaterIfNeeded()
         }
         titlebarAccessoryController.start()
-        windowDecorationsController.isMainTerminalWindow = { [weak self] window in
-            self?.isMainTerminalWindow(window) ?? false
-        }
-        windowDecorationsController.start()
         installMainWindowKeyObserver()
         refreshGhosttyGotoSplitShortcuts()
         installGhosttyConfigObserver()
@@ -4968,7 +4963,6 @@ final class AppDelegate: NSObject, NSApplicationDelegate, @preconcurrency UNUser
 
         // Apply shared window styling.
         attachUpdateAccessory(to: window)
-        applyWindowDecorations(to: window)
 
         // Keep a strong reference so the window isn't deallocated.
         let controller = MainWindowController(window: window)
@@ -5696,10 +5690,6 @@ final class AppDelegate: NSObject, NSApplicationDelegate, @preconcurrency UNUser
         titlebarAccessoryController.attach(to: window)
     }
 
-    func applyWindowDecorations(to window: NSWindow) {
-        windowDecorationsController.apply(to: window)
-    }
-
     func toggleNotificationsPopover(animated: Bool = true, anchorView: NSView? = nil) {
         titlebarAccessoryController.toggleNotificationsPopover(animated: animated, anchorView: anchorView)
     }
@@ -9291,7 +9281,6 @@ final class AppDelegate: NSObject, NSApplicationDelegate, @preconcurrency UNUser
             WindowGlassEffect.remove(from: window)
         }
         AppDelegate.shared?.attachUpdateAccessory(to: window)
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         AppDelegate.shared?.registerMainWindow(
             window,
             windowId: windowId,

Sources/DebugWindows.swift

@@ -28,7 +28,6 @@ final class SettingsAboutTitlebarDebugWindowController: NSWindowController, NSWi
         window.identifier = NSUserInterfaceItemIdentifier("programa.settingsAboutTitlebarDebug")
         window.center()
         window.contentView = NSHostingView(rootView: SettingsAboutTitlebarDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -259,7 +258,6 @@ final class DebugWindowControlsWindowController: NSWindowController, NSWindowDel
         window.identifier = NSUserInterfaceItemIdentifier("programa.debugWindowControls")
         window.center()
         window.contentView = NSHostingView(rootView: DebugWindowControlsView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -575,7 +573,6 @@ final class BrowserProfilePopoverDebugWindowController: NSWindowController, NSWi
         window.identifier = NSUserInterfaceItemIdentifier("programa.browserProfilePopoverDebug")
         window.center()
         window.contentView = NSHostingView(rootView: BrowserProfilePopoverDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -771,7 +768,6 @@ final class SidebarDebugWindowController: NSWindowController, NSWindowDelegate {
         window.identifier = NSUserInterfaceItemIdentifier("programa.sidebarDebug")
         window.center()
         window.contentView = NSHostingView(rootView: SidebarDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1100,7 +1096,6 @@ final class MenuBarExtraDebugWindowController: NSWindowController, NSWindowDeleg
         window.identifier = NSUserInterfaceItemIdentifier("programa.menubarDebug")
         window.center()
         window.contentView = NSHostingView(rootView: MenuBarExtraDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1273,7 +1268,6 @@ final class BrowserToolbarGlassDebugWindowController: NSWindowController, NSWind
         window.identifier = NSUserInterfaceItemIdentifier("programa.browserToolbarGlassDebug")
         window.center()
         window.contentView = NSHostingView(rootView: BrowserToolbarGlassDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1348,7 +1342,6 @@ final class OverlayGlassDebugWindowController: NSWindowController, NSWindowDeleg
         window.identifier = NSUserInterfaceItemIdentifier("programa.overlayGlassDebug")
         window.center()
         window.contentView = NSHostingView(rootView: OverlayGlassDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1423,7 +1416,6 @@ final class TabBarGlassDebugWindowController: NSWindowController, NSWindowDelega
         window.identifier = NSUserInterfaceItemIdentifier("programa.tabBarGlassDebug")
         window.center()
         window.contentView = NSHostingView(rootView: TabBarGlassDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1501,7 +1493,6 @@ final class SplitButtonLayoutDebugWindowController: NSWindowController, NSWindow
         window.identifier = NSUserInterfaceItemIdentifier("programa.splitButtonLayoutDebug")
         window.center()
         window.contentView = NSHostingView(rootView: SplitButtonLayoutDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1571,7 +1562,6 @@ final class BackgroundDebugWindowController: NSWindowController, NSWindowDelegat
         window.identifier = NSUserInterfaceItemIdentifier("programa.backgroundDebug")
         window.center()
         window.contentView = NSHostingView(rootView: BackgroundDebugView())
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }

Sources/ProgramaApp.swift

@@ -1410,7 +1410,6 @@ final class SettingsAboutTitlebarStyleStore: ObservableObject {
         window.contentMinSize = kind.minimumSize
         window.contentMaxSize = maxSize
         window.invalidateShadow()
-        AppDelegate.shared?.applyWindowDecorations(to: window)
     }
 
     private func ensureToolbar(on window: NSWindow, kind: SettingsAboutWindowKind) {
@@ -1452,7 +1451,6 @@ private final class AboutWindowController: NSWindowController, NSWindowDelegate
         window.center()
         window.contentView = NSHostingView(rootView: AboutPanelView())
         SettingsAboutTitlebarStyleStore.shared.applyCurrentOptions(to: window, for: .about)
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }
@@ -1552,7 +1550,6 @@ final class SettingsWindowController: NSWindowController, NSWindowDelegate {
         window.center()
         window.contentView = NSHostingView(rootView: SettingsRootView())
         SettingsAboutTitlebarStyleStore.shared.applyCurrentOptions(to: window, for: .settings)
-        AppDelegate.shared?.applyWindowDecorations(to: window)
         super.init(window: window)
         window.delegate = self
     }

Sources/SettingsView.swift

@@ -2338,7 +2338,6 @@ struct SettingsRootView: View {
             guard identifier.hasPrefix("cmux.") else { continue }
             window.removeTitlebarAccessoryViewController(at: index)
         }
-        AppDelegate.shared?.applyWindowDecorations(to: window)
     }
 
     private func applyCurrentSettingsWindowStyle(to window: NSWindow) {

Sources/SidebarShortcutHints.swift

@@ -46,6 +46,7 @@ struct ShortcutHintPill<Content: View>: View {
                 tintColor: nil,
                 cornerRadius: 100
             )
+            .fixedSize(horizontal: true, vertical: true)
         } else {
             content
                 .background(ShortcutHintPillBackground(emphasis: emphasis))

Sources/VerticalTabsSidebar.swift

@@ -231,8 +231,8 @@ struct VerticalTabsSidebar: View {
                 HiddenTitlebarSidebarControlsView(notificationStore: notificationStore)
             }
             .frame(height: trafficLightPadding)
-            // Flush sidebar (no panel inset): keep the header content on the
-            // 25pt traffic-light midline the decorations controller targets.
+            // Flush sidebar (no panel inset): keep the header aligned with
+            // AppKit's native titlebar controls.
             .padding(.top, usesBackdropSidebar ? WindowGlassEffect.sidebarPanelInset : 0)
             .contentShape(Rectangle())
             .background(