feat(app): add vworld geocoding and native ads placeholders

lib/presentation/pages/splash/splash_screen.dart

@@ -1,9 +1,11 @@
 import 'dart:math' as math;
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
+import 'package:permission_handler/permission_handler.dart';
 import '../../../core/constants/app_colors.dart';
 import '../../../core/constants/app_typography.dart';
 import '../../../core/constants/app_constants.dart';
+import '../../../core/services/permission_service.dart';
 
 class SplashScreen extends StatefulWidget {
   const SplashScreen({super.key});
@@ -178,13 +180,26 @@ class _SplashScreenState extends State<SplashScreen>
   }
 
   void _navigateToHome() {
-    Future.delayed(AppConstants.splashAnimationDuration, () {
+    Future.wait([
+      _ensurePermissions(),
+      Future.delayed(AppConstants.splashAnimationDuration),
+    ]).then((_) {
       if (mounted) {
         context.go('/home');
       }
     });
   }
 
+  Future<void> _ensurePermissions() async {
+    try {
+      await Permission.notification.request();
+      await Permission.location.request();
+      await PermissionService.checkAndRequestBluetoothPermission();
+    } catch (_) {
+      // 권한 요청 중 예외가 발생해도 앱 흐름을 막지 않는다.
+    }
+  }
+
   @override
   void dispose() {
     for (final controller in _foodControllers) {