✨ Support named alert config

lib/screens/food/details.dart

@@ -33,14 +33,14 @@ class _FoodDetailsScreenState extends State<FoodDetailsScreen> {
       double? difference;
       String name = 'undetected'.tr;
       String? unitName;
-      double? current;
+      FoodNutrient? current;
       for (final nutrient in widget.item.foodNutrients) {
         if (item.nutrientId != nutrient.nutrientId) continue;
         name = nutrient.nutrientName;
         unitName = unitNameValues.reverse[nutrient.unitName];
         if (nutrient.value != null) {
+          current = nutrient;
           final value = nutrient.value!;
-          current = value;
           if (value > item.maxValue) {
             difference = value - item.maxValue;
             isOutOfRange = true;
@@ -54,9 +54,9 @@ class _FoodDetailsScreenState extends State<FoodDetailsScreen> {
 
       _alertDetectResult.add(AlertDetectResult(
         config: item,
+        nutrient: current,
         name: name,
         unitName: unitName,
-        current: current,
         difference: difference,
         isOutOfRange: isOutOfRange,
         isUndetected: isUndetected,

lib/screens/settings/alert.dart

@@ -16,6 +16,7 @@ class _AlertSettingsScreenState extends State<AlertSettingsScreen> {
   void _addAlert() {
     setState(() {
       _currentAlerts.add(AlertConfiguration(
+        name: 'Alert #${_currentAlerts.length}',
         nutrientId: 0,
         maxValue: 0,
         minValue: 0,
@@ -64,16 +65,16 @@ class _AlertSettingsScreenState extends State<AlertSettingsScreen> {
                       children: [
                         Expanded(
                           child: TextFormField(
-                            initialValue: x.nutrientId.toString(),
+                            initialValue: x.name,
                             decoration: InputDecoration(
                               border: const OutlineInputBorder(),
-                              label: Text("alertNutrientId".tr),
+                              label: Text("alertName".tr),
                               isDense: true,
                             ),
                             onTapOutside: (_) =>
                                 FocusManager.instance.primaryFocus?.unfocus(),
                             onChanged: (value) {
-                              x.nutrientId = int.tryParse(value) ?? 0;
+                              x.name = value;
                             },
                           ),
                         ),
@@ -87,6 +88,20 @@ class _AlertSettingsScreenState extends State<AlertSettingsScreen> {
                       ],
                     ),
                     const SizedBox(height: 12),
+                    TextFormField(
+                      initialValue: x.nutrientId.toString(),
+                      decoration: InputDecoration(
+                        border: const OutlineInputBorder(),
+                        label: Text("alertNutrientId".tr),
+                        isDense: true,
+                      ),
+                      onTapOutside: (_) =>
+                          FocusManager.instance.primaryFocus?.unfocus(),
+                      onChanged: (value) {
+                        x.nutrientId = int.tryParse(value) ?? 0;
+                      },
+                    ),
+                    const SizedBox(height: 12),
                     Row(
                       children: [
                         Expanded(