feat(app): add manual entry and sharing flows

lib/presentation/pages/splash/splash_screen.dart

@@ -12,11 +12,12 @@ class SplashScreen extends StatefulWidget {
   State<SplashScreen> createState() => _SplashScreenState();
 }
 
-class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMixin {
+class _SplashScreenState extends State<SplashScreen>
+    with TickerProviderStateMixin {
   late List<AnimationController> _foodControllers;
   late AnimationController _questionMarkController;
   late AnimationController _centerIconController;
-  
+
   final List<IconData> foodIcons = [
     Icons.rice_bowl,
     Icons.ramen_dining,
@@ -28,14 +29,14 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
     Icons.icecream,
     Icons.bakery_dining,
   ];
-  
+
   @override
   void initState() {
     super.initState();
     _initializeAnimations();
     _navigateToHome();
   }
-  
+
   void _initializeAnimations() {
     // 음식 아이콘 애니메이션 (여러 개)
     _foodControllers = List.generate(
@@ -45,31 +46,33 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
         vsync: this,
       )..repeat(reverse: true),
     );
-    
+
     // 물음표 애니메이션
     _questionMarkController = AnimationController(
       duration: const Duration(milliseconds: 500),
       vsync: this,
     )..repeat();
-    
+
     // 중앙 아이콘 애니메이션
     _centerIconController = AnimationController(
       duration: const Duration(seconds: 1),
       vsync: this,
     )..repeat(reverse: true);
   }
-  
+
   @override
   Widget build(BuildContext context) {
     final isDark = Theme.of(context).brightness == Brightness.dark;
-    
+
     return Scaffold(
-      backgroundColor: isDark ? AppColors.darkBackground : AppColors.lightBackground,
+      backgroundColor: isDark
+          ? AppColors.darkBackground
+          : AppColors.lightBackground,
       body: Stack(
         children: [
           // 랜덤 위치 음식 아이콘들
           ..._buildFoodIcons(),
-          
+
           // 중앙 컨텐츠
           Center(
             child: Column(
@@ -86,23 +89,25 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
                   child: Icon(
                     Icons.restaurant_menu,
                     size: 80,
-                    color: isDark ? AppColors.darkPrimary : AppColors.lightPrimary,
+                    color: isDark
+                        ? AppColors.darkPrimary
+                        : AppColors.lightPrimary,
                   ),
                 ),
                 const SizedBox(height: 20),
-                
+
                 // 앱 타이틀
                 Row(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
-                    Text(
-                      '오늘 뭐 먹Z',
-                      style: AppTypography.heading1(isDark),
-                    ),
+                    Text('오늘 뭐 먹Z', style: AppTypography.heading1(isDark)),
                     AnimatedBuilder(
                       animation: _questionMarkController,
                       builder: (context, child) {
-                        final questionMarks = '?' * (((_questionMarkController.value * 3).floor() % 3) + 1);
+                        final questionMarks =
+                            '?' *
+                            (((_questionMarkController.value * 3).floor() % 3) +
+                                1);
                         return Text(
                           questionMarks,
                           style: AppTypography.heading1(isDark),
@@ -114,7 +119,7 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
               ],
             ),
           ),
-          
+
           // 하단 카피라이트
           Positioned(
             bottom: 30,
@@ -123,8 +128,11 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
             child: Text(
               AppConstants.appCopyright,
               style: AppTypography.caption(isDark).copyWith(
-                color: (isDark ? AppColors.darkTextSecondary : AppColors.lightTextSecondary)
-                    .withOpacity(0.5),
+                color:
+                    (isDark
+                            ? AppColors.darkTextSecondary
+                            : AppColors.lightTextSecondary)
+                        .withOpacity(0.5),
               ),
               textAlign: TextAlign.center,
             ),
@@ -133,14 +141,14 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
       ),
     );
   }
-  
+
   List<Widget> _buildFoodIcons() {
     final random = math.Random();
-    
+
     return List.generate(foodIcons.length, (index) {
       final left = random.nextDouble() * 0.8 + 0.1;
       final top = random.nextDouble() * 0.7 + 0.1;
-      
+
       return Positioned(
         left: MediaQuery.of(context).size.width * left,
         top: MediaQuery.of(context).size.height * top,
@@ -168,7 +176,7 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
       );
     });
   }
-  
+
   void _navigateToHome() {
     Future.delayed(AppConstants.splashAnimationDuration, () {
       if (mounted) {
@@ -176,7 +184,7 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
       }
     });
   }
-  
+
   @override
   void dispose() {
     for (final controller in _foodControllers) {
@@ -186,4 +194,4 @@ class _SplashScreenState extends State<SplashScreen> with TickerProviderStateMix
     _centerIconController.dispose();
     super.dispose();
   }
-}
+}