feat: add location field to PantryItem model and update related functionality

Co-authored-by: Copilot <copilot@github.com>

flutter/lib/features/pantry/data/pantry_repository.dart

@@ -27,7 +27,7 @@ class PantryRepository {
 
   Future<List<PantryProduct>> fetchProducts({String? token}) async {
     try {
-      final data = await _api.getJson(ProductApiPaths.list, token: token);
+      final data = await _api.getJson(ProductApiPaths.mine, token: token);
       final list = data as List<dynamic>;
       _logger.info('Fetched ${list.length} products');
       return list
@@ -39,11 +39,19 @@ class PantryRepository {
     }
   }
 
-  Future<PantryItem> createPantryItem(int productId, {String? token}) async {
+  Future<PantryItem> createPantryItem(
+    int productId, {
+    String? token,
+    String? location,
+  }) async {
     try {
       final data = await _api.postJson(
         PantryApiPaths.list,
-        body: {'productId': productId},
+        body: {
+          'productId': productId,
+          if (location != null && location.trim().isNotEmpty)
+            'location': location.trim(),
+        },
         token: token,
       );
       _logger.info('Created pantry item for product ID: $productId');

flutter/lib/features/pantry/domain/pantry_item.dart

@@ -5,6 +5,7 @@ class PantryItem {
   final String? canonicalName;
   final String? category;
   final int? categoryId;
+  final String? location;
 
   const PantryItem({
     required this.id,
@@ -13,6 +14,7 @@ class PantryItem {
     this.canonicalName,
     this.category,
     this.categoryId,
+    this.location,
   });
 
   String get displayName {
@@ -31,6 +33,7 @@ class PantryItem {
       canonicalName: product['canonicalName']?.toString(),
       category: product['category']?.toString(),
       categoryId: (product['categoryId'] as num?)?.toInt(),
+      location: json['location']?.toString(),
     );
   }
 }

flutter/lib/features/pantry/presentation/pantry_screen.dart

@@ -374,6 +374,9 @@ class _PantryScreenState extends ConsumerState<PantryScreen> {
                             margin: const EdgeInsets.only(bottom: 8),
                             child: ListTile(
                               title: Text(item.displayName),
+                              subtitle: item.location == null || item.location!.trim().isEmpty
+                                  ? null
+                                  : Text('Plats: ${item.location}'),
                               trailing: Row(
                                 mainAxisSize: MainAxisSize.min,
                                 children: [