refactor(tactical-app): modernize state management with GetX controllers, bindings, and clean MVP architecture

packages/tactical_app/lib/main.dart

@@ -1,9 +1,22 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:get/get.dart';
+import 'bindings/tactical_binding.dart';
 import 'screens/tactical_map_screen.dart';
 import 'services/landmark_database.dart';
 import 'services/offline_routing_engine.dart';
 
+/// ============================================================================
+/// [main] - المدخل الرئيسي لتطبيق العمليات التكتيكية الميدانية (Intaleq Defense)
+/// ============================================================================
+/// English:
+/// Application entry point initializing local SQLite cache, topological routing
+/// graphs, GetX State Management, and tactical dark sovereign UI themes.
+///
+/// العربية:
+/// نقطة انطلاق التطبيق، تقوم بتهيئة قواعد بيانات المعالم المحلية، محرك التوجيه،
+/// حقن متحكمات GetX وتفعيل الثيم العسكري الليلي مع دعم اتجاه الكتابة من اليمين (RTL).
+/// ============================================================================
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   await LandmarkDatabase.initCache();
@@ -16,10 +29,12 @@ class TacticalApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return GetMaterialApp(
       title: 'منظومة الخرائط التكتيكية والملاحة الميدانية - Intaleq Tactical Navigation',
       debugShowCheckedModeBanner: false,
+      initialBinding: TacticalBinding(),
       locale: const Locale('ar', 'JO'),
+      fallbackLocale: const Locale('en', 'US'),
       supportedLocales: const [
         Locale('ar', 'JO'),
         Locale('en', 'US'),