Initial Push

EnhancedTerminalApp.swift

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+import Cocoa
+import Foundation
+
+// MARK: - Main Entry Point
+@main
+class EnhancedTerminalApp: NSObject, NSApplicationDelegate {
+    var mainWindow: MainWindowController!
+    
+    func applicationDidFinishLaunching(_ notification: Notification) {
+        // Create and show main window
+        mainWindow = MainWindowController()
+        mainWindow.showWindow(nil)
+        
+        // Activate app
+        NSApp.activate(ignoringOtherApps: true)
+    }
+    
+    func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+        return true
+    }
+    
+    static func main() {
+        let app = NSApplication.shared
+        let delegate = EnhancedTerminalApp()
+        app.delegate = delegate
+        app.run()
+    }
+}