polish: strip verbose comments, simplify codebase

lib/main.dart

@@ -10,63 +10,36 @@ import 'package:revoltvpn/logic/consent_manager.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 import 'package:revoltvpn/screens/intro.dart';
 
-/// The entry point for the REVOLT VPN application.
 void main() async {
-  // Ensure that the Flutter engine is fully initialized before using platform channels
-  // (e.g., for SystemChrome or MobileAds).
   WidgetsFlutterBinding.ensureInitialized();
 
-  // Lock the application to portrait orientation since the dashboard is a single-screen utility app
-  SystemChrome.setPreferredOrientations([
-    DeviceOrientation.portraitUp,
-  ]);
+  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
 
-  // Configure a stealth system bar layout: transparent status bar with light icons,
-  // blending seamlessly into the dark background gradient.
   SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
     statusBarColor: Colors.transparent,
     statusBarIconBrightness: Brightness.light,
-    systemNavigationBarColor: Color(0xFF0D1117), // Deep space black
+    systemNavigationBarColor: Color(0xFF0D1117),
     systemNavigationBarIconBrightness: Brightness.light,
   ));
 
-  // ── GDPR Consent (Google UMP) ──────────────────────────────────────────
-  // Must run BEFORE MobileAds initialization. Shows consent dialog to
-  // EEA/UK users; no-op for everyone else.
   await ConsentManager.requestConsentIfNeeded();
-
-  // ── Initialize AdMob ───────────────────────────────────────────────────
-  // Only after consent is resolved so AdMob respects user preferences.
   await MobileAds.instance.initialize();
 
-  // Inflate the root widget
   runApp(const ReVoltApp());
 }
 
-/// The root application widget wrapping the app in necessary state providers and themes.
 class ReVoltApp extends StatelessWidget {
   const ReVoltApp({super.key});
 
   @override
   Widget build(BuildContext context) {
-    // MultiProvider injects global state controllers down the widget tree.
     return MultiProvider(
       providers: [
-        // Manages the VLESS tunnel lifecycle
         ChangeNotifierProvider(create: (_) => VpnConnection()),
-        
-        // Manages the 1-hour session clock.
-        // Uses ProxyProvider to automatically inject the VpnConnection, 
-        // allowing the timer to auto-disconnect the VPN when time expires.
         ChangeNotifierProxyProvider<VpnConnection, SessionTimer>(
-          create: (ctx) => SessionTimer(
-            vpnConnection: ctx.read<VpnConnection>(),
-          ),
-          update: (_, vpn, prev) =>
-              prev ?? SessionTimer(vpnConnection: vpn),
+          create: (ctx) => SessionTimer(vpnConnection: ctx.read<VpnConnection>()),
+          update: (_, vpn, prev) => prev ?? SessionTimer(vpnConnection: vpn),
         ),
-
-        // Manages rewarded ad lifecycle — preloads on startup.
         ChangeNotifierProvider(create: (_) => AdManager()),
       ],
       child: MaterialApp(
@@ -78,7 +51,6 @@ class ReVoltApp extends StatelessWidget {
     );
   }
 
-  /// Constructs the global dark theme used across the application.
   ThemeData _buildDarkTheme() {
     return ThemeData(
       brightness: Brightness.dark,