style: apply dart format across project

lib/screens/analysis_screen.dart

@@ -43,12 +43,14 @@ class _AnalysisScreenState extends State<AnalysisScreen>
     // Provider 변경 감지
     final provider = Provider.of<SubscriptionProvider>(context);
     final currentHash = _calculateDataHash(provider);
-    
+
     debugPrint('[AnalysisScreen] didChangeDependencies: '
         '현재 해시=$currentHash, 이전 해시=$_lastDataHash, 로딩중=$_isLoading');
-    
+
     // 데이터가 변경되었고 현재 로딩 중이 아닌 경우에만 리로드
-    if (currentHash != _lastDataHash && !_isLoading && _lastDataHash.isNotEmpty) {
+    if (currentHash != _lastDataHash &&
+        !_isLoading &&
+        _lastDataHash.isNotEmpty) {
       debugPrint('[AnalysisScreen] 데이터 변경 감지됨, 리로드 시작');
       _loadData();
     }
@@ -65,15 +67,16 @@ class _AnalysisScreenState extends State<AnalysisScreen>
   String _calculateDataHash(SubscriptionProvider provider) {
     final subscriptions = provider.subscriptions;
     final buffer = StringBuffer();
-    
+
     buffer.write(subscriptions.length);
     buffer.write('_');
     buffer.write(provider.totalMonthlyExpense.toStringAsFixed(2));
-    
+
     for (final sub in subscriptions) {
-      buffer.write('_${sub.id}_${sub.currentPrice.toStringAsFixed(2)}_${sub.currency}');
+      buffer.write(
+          '_${sub.id}_${sub.currentPrice.toStringAsFixed(2)}_${sub.currency}');
     }
-    
+
     return buffer.toString();
   }
 
@@ -148,7 +151,7 @@ class _AnalysisScreenState extends State<AnalysisScreen>
             height: kToolbarHeight + MediaQuery.of(context).padding.top,
           ),
         ),
-        
+
         // 네이티브 광고 위젯
         SliverToBoxAdapter(
           child: _buildAnimatedAd(),
@@ -197,4 +200,4 @@ class _AnalysisScreenState extends State<AnalysisScreen>
       ],
     );
   }
-}
+}