chore: HERV 통합 저장소 초기 커밋

- 펌웨어(program), C# 대시보드(TestProgram), 시뮬레이터(Simulator),
  프로토콜/문서(Protocol, doc) 전체를 단일 저장소로 통합
- program 폴더의 별도 git 저장소를 제거하고 통합 저장소에 흡수
- 빌드 산출물(program/build, bin/obj, *.o/.elf/.bin/.hex 등) .gitignore 처리
- 사내 Synology NAS Git 원격 연결 예정

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

DL_Air Planner 사양/AirPlanner/MainWindow.xaml.cs

@@ -0,0 +1,37 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+
+namespace AirPlanner
+{
+    public partial class MainWindow : Window
+    {
+        static readonly Brush NavOff = (Brush)new BrushConverter().ConvertFromString("#7B8090")!;
+        static readonly Brush NavOn = Brushes.White;
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            Show("home");
+        }
+
+        void Show(string view)
+        {
+            if (view == "control") { MainContent.Content = new ControlView(); SetActive(navCtrl); }
+            else { MainContent.Content = new HomeView(); SetActive(navHome); }
+        }
+
+        void SetActive(Button active)
+        {
+            foreach (var b in new[] { navHome, navCall, navCtrl, navView, navSet })
+            {
+                b.Foreground = b == active ? NavOn : NavOff;
+                b.FontWeight = b == active ? FontWeights.Bold : FontWeights.Normal;
+            }
+        }
+
+        void Nav_Home(object sender, RoutedEventArgs e) => Show("home");
+        void Nav_Control(object sender, RoutedEventArgs e) => Show("control");
+        void Nav_Todo(object sender, RoutedEventArgs e) { /* 통화/조회/설정/알림/비상 — 추후 구현 */ }
+    }
+}