feat(app): finalize ad gated flows and weather

- add AppLogger and replace scattered print logging\n- implement ad-gated recommendation flow with reminder handling and calendar link\n- complete Bluetooth share pipeline with ad gate and merge\n- integrate KMA weather API with caching and dart-define decoding\n- add NaverUrlProcessor refactor and restore restaurant repository tests

lib/presentation/providers/notification_handler_provider.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:lunchpick/core/utils/app_logger.dart';
 import 'package:lunchpick/presentation/pages/calendar/widgets/visit_confirmation_dialog.dart';
 import 'package:lunchpick/presentation/providers/restaurant_provider.dart';
 
@@ -54,8 +55,8 @@ class NotificationPayload {
       );
     } catch (e) {
       // 더 상세한 오류 정보 제공
-      print('NotificationPayload parsing error: $e');
-      print('Original payload: $payload');
+      AppLogger.error('NotificationPayload parsing error', error: e);
+      AppLogger.debug('Original payload: $payload');
       rethrow;
     }
   }
@@ -77,17 +78,17 @@ class NotificationHandlerNotifier extends StateNotifier<AsyncValue<void>> {
     String? payload,
   ) async {
     if (payload == null || payload.isEmpty) {
-      print('Notification payload is null or empty');
+      AppLogger.debug('Notification payload is null or empty');
       return;
     }
 
-    print('Handling notification with payload: $payload');
+    AppLogger.debug('Handling notification with payload: $payload');
 
     try {
       // 기존 형식 (visit_reminder:restaurantName) 처리
       if (payload.startsWith('visit_reminder:')) {
         final restaurantName = payload.substring(15);
-        print('Legacy format - Restaurant name: $restaurantName');
+        AppLogger.debug('Legacy format - Restaurant name: $restaurantName');
 
         // 맛집 이름으로 ID 찾기
         final restaurantsAsync = await _ref.read(restaurantListProvider.future);
@@ -110,11 +111,11 @@ class NotificationHandlerNotifier extends StateNotifier<AsyncValue<void>> {
         }
       } else {
         // 새로운 형식의 payload 처리
-        print('Attempting to parse new format payload');
+        AppLogger.debug('Attempting to parse new format payload');
 
         try {
           final notificationPayload = NotificationPayload.fromString(payload);
-          print(
+          AppLogger.debug(
             'Successfully parsed payload - Type: ${notificationPayload.type}, RestaurantId: ${notificationPayload.restaurantId}',
           );
 
@@ -135,8 +136,10 @@ class NotificationHandlerNotifier extends StateNotifier<AsyncValue<void>> {
             }
           }
         } catch (parseError) {
-          print('Failed to parse new format, attempting fallback parsing');
-          print('Parse error: $parseError');
+          AppLogger.debug(
+            'Failed to parse new format, attempting fallback parsing',
+          );
+          AppLogger.debug('Parse error: $parseError');
 
           // Fallback: 간단한 파싱 시도
           if (payload.contains('|')) {
@@ -158,8 +161,11 @@ class NotificationHandlerNotifier extends StateNotifier<AsyncValue<void>> {
         }
       }
     } catch (e, stackTrace) {
-      print('Error handling notification: $e');
-      print('Stack trace: $stackTrace');
+      AppLogger.error(
+        'Error handling notification',
+        error: e,
+        stackTrace: stackTrace,
+      );
       state = AsyncValue.error(e, stackTrace);
 
       // 에러 발생 시 기본적으로 캘린더 화면으로 이동