feat(app): add manual entry and sharing flows

lib/core/errors/app_exceptions.dart

@@ -1,5 +1,5 @@
 /// 애플리케이션 전체 예외 클래스들
-/// 
+///
 /// 각 레이어별로 명확한 예외 계층 구조를 제공합니다.
 
 /// 앱 예외 기본 클래스
@@ -7,15 +7,12 @@ abstract class AppException implements Exception {
   final String message;
   final String? code;
   final dynamic originalError;
-  
-  const AppException({
-    required this.message,
-    this.code,
-    this.originalError,
-  });
-  
+
+  const AppException({required this.message, this.code, this.originalError});
+
   @override
-  String toString() => '$runtimeType: $message${code != null ? ' (코드: $code)' : ''}';
+  String toString() =>
+      '$runtimeType: $message${code != null ? ' (코드: $code)' : ''}';
 }
 
 /// 비즈니스 로직 예외
@@ -24,23 +21,19 @@ class BusinessException extends AppException {
     required String message,
     String? code,
     dynamic originalError,
-  }) : super(
-    message: message,
-    code: code,
-    originalError: originalError,
-  );
+  }) : super(message: message, code: code, originalError: originalError);
 }
 
 /// 검증 예외
 class ValidationException extends AppException {
   final Map<String, String>? fieldErrors;
-  
+
   const ValidationException({
     required String message,
     this.fieldErrors,
     String? code,
   }) : super(message: message, code: code);
-  
+
   @override
   String toString() {
     final base = super.toString();
@@ -60,11 +53,7 @@ class DataException extends AppException {
     required String message,
     String? code,
     dynamic originalError,
-  }) : super(
-    message: message,
-    code: code,
-    originalError: originalError,
-  );
+  }) : super(message: message, code: code, originalError: originalError);
 }
 
 /// 저장소 예외
@@ -73,23 +62,19 @@ class StorageException extends DataException {
     required String message,
     String? code,
     dynamic originalError,
-  }) : super(
-    message: message,
-    code: code,
-    originalError: originalError,
-  );
+  }) : super(message: message, code: code, originalError: originalError);
 }
 
 /// 권한 예외
 class PermissionException extends AppException {
   final String permission;
-  
+
   const PermissionException({
     required String message,
     required this.permission,
     String? code,
   }) : super(message: message, code: code);
-  
+
   @override
   String toString() => '$runtimeType: $message (권한: $permission)';
 }
@@ -100,19 +85,13 @@ class LocationException extends AppException {
     required String message,
     String? code,
     dynamic originalError,
-  }) : super(
-    message: message,
-    code: code,
-    originalError: originalError,
-  );
+  }) : super(message: message, code: code, originalError: originalError);
 }
 
 /// 설정 예외
 class ConfigurationException extends AppException {
-  const ConfigurationException({
-    required String message,
-    String? code,
-  }) : super(message: message, code: code);
+  const ConfigurationException({required String message, String? code})
+    : super(message: message, code: code);
 }
 
 /// UI 예외
@@ -121,47 +100,36 @@ class UIException extends AppException {
     required String message,
     String? code,
     dynamic originalError,
-  }) : super(
-    message: message,
-    code: code,
-    originalError: originalError,
-  );
+  }) : super(message: message, code: code, originalError: originalError);
 }
 
 /// 리소스를 찾을 수 없음 예외
 class NotFoundException extends AppException {
   final String resourceType;
   final dynamic resourceId;
-  
+
   const NotFoundException({
     required this.resourceType,
     required this.resourceId,
     String? message,
   }) : super(
-    message: message ?? '$resourceType을(를) 찾을 수 없습니다 (ID: $resourceId)',
-    code: 'NOT_FOUND',
-  );
+         message: message ?? '$resourceType을(를) 찾을 수 없습니다 (ID: $resourceId)',
+         code: 'NOT_FOUND',
+       );
 }
 
 /// 중복 리소스 예외
 class DuplicateException extends AppException {
   final String resourceType;
-  
-  const DuplicateException({
-    required this.resourceType,
-    String? message,
-  }) : super(
-    message: message ?? '이미 존재하는 $resourceType입니다',
-    code: 'DUPLICATE',
-  );
+
+  const DuplicateException({required this.resourceType, String? message})
+    : super(message: message ?? '이미 존재하는 $resourceType입니다', code: 'DUPLICATE');
 }
 
 /// 추천 엔진 예외
 class RecommendationException extends BusinessException {
-  const RecommendationException({
-    required String message,
-    String? code,
-  }) : super(message: message, code: code);
+  const RecommendationException({required String message, String? code})
+    : super(message: message, code: code);
 }
 
 /// 알림 예외
@@ -170,9 +138,5 @@ class NotificationException extends AppException {
     required String message,
     String? code,
     dynamic originalError,
-  }) : super(
-    message: message,
-    code: code,
-    originalError: originalError,
-  );
-}
+  }) : super(message: message, code: code, originalError: originalError);
+}