✨ Support named alert config

lib/models/alert_configuration.dart

@@ -1,15 +1,20 @@
+import 'package:dietary_guard/models/food_data.dart';
+
 class AlertConfiguration {
+  String name;
   int nutrientId;
   double maxValue;
   double minValue;
 
   AlertConfiguration({
+    required this.name,
     required this.nutrientId,
     required this.maxValue,
     required this.minValue,
   });
 
   Map<String, dynamic> toJson() => {
+        'name': name,
         'nutrient_id': nutrientId,
         'min_value': minValue,
         'max_value': maxValue,
@@ -17,6 +22,7 @@ class AlertConfiguration {
 
   factory AlertConfiguration.fromJson(Map<String, dynamic> json) =>
       AlertConfiguration(
+        name: json['name'],
         nutrientId: json['nutrient_id'],
         minValue: json['min_value'],
         maxValue: json['max_value'],
@@ -25,18 +31,18 @@ class AlertConfiguration {
 
 class AlertDetectResult {
   AlertConfiguration config;
+  FoodNutrient? nutrient;
   String name;
   String? unitName;
-  double? current;
   double? difference;
   bool isOutOfRange;
   bool isUndetected;
 
   AlertDetectResult({
     required this.config,
+    required this.nutrient,
     required this.name,
     required this.unitName,
-    required this.current,
     required this.difference,
     required this.isOutOfRange,
     required this.isUndetected,