feat(app): add manual entry and sharing flows

lib/presentation/services/restaurant_form_validator.dart

@@ -67,9 +67,7 @@ class RestaurantFormValidator {
     }
 
     // 전화번호 패턴: 02-1234-5678, 010-1234-5678 등
-    final phoneRegex = RegExp(
-      r'^0\d{1,2}-?\d{3,4}-?\d{4}$',
-    );
+    final phoneRegex = RegExp(r'^0\d{1,2}-?\d{3,4}-?\d{4}$');
 
     if (!phoneRegex.hasMatch(phoneNumber.replaceAll(' ', ''))) {
       return '올바른 전화번호 형식이 아닙니다';
@@ -100,7 +98,7 @@ class RestaurantFormValidator {
 
     // 허용된 카테고리 목록 (필요시 추가)
     // final allowedCategories = [
-    //   '한식', '중식', '일식', '양식', '아시안', 
+    //   '한식', '중식', '일식', '양식', '아시안',
     //   '카페', '디저트', '분식', '패스트푸드', '기타'
     // ];
 
@@ -119,8 +117,8 @@ class RestaurantFormValidator {
   /// 필수 필드만 검증
   static bool hasRequiredFields(RestaurantFormData formData) {
     return formData.name.isNotEmpty &&
-           formData.category.isNotEmpty &&
-           formData.roadAddress.isNotEmpty;
+        formData.category.isNotEmpty &&
+        formData.roadAddress.isNotEmpty;
   }
 }
 
@@ -142,11 +140,11 @@ class FormFieldErrors {
     this.phoneNumber,
   });
 
-  bool get hasErrors => 
-      name != null || 
-      category != null || 
-      roadAddress != null || 
-      latitude != null || 
+  bool get hasErrors =>
+      name != null ||
+      category != null ||
+      roadAddress != null ||
+      latitude != null ||
       longitude != null ||
       phoneNumber != null;
 
@@ -160,4 +158,4 @@ class FormFieldErrors {
     if (phoneNumber != null) map['phoneNumber'] = phoneNumber!;
     return map;
   }
-}
+}