feat: enhance inventory management with category and location filters

flutter/lib/features/inventory/domain/inventory_item.dart

@@ -2,6 +2,8 @@ class InventoryItem {
   final int id;
   final int productId;
   final String productName;
+  final String? productCanonicalName;
+  final String? categoryPath;
   final double quantity;
   final String unit;
   final String? location;
@@ -15,6 +17,8 @@ class InventoryItem {
     required this.id,
     required this.productId,
     required this.productName,
+    this.productCanonicalName,
+    this.categoryPath,
     required this.quantity,
     required this.unit,
     this.location,
@@ -25,11 +29,27 @@ class InventoryItem {
     this.comment,
   });
 
+  String get displayName {
+    if (productCanonicalName != null && productCanonicalName!.trim().isNotEmpty) {
+      return productCanonicalName!;
+    }
+    return productName;
+  }
+
+  String get l1Category {
+    final path = categoryPath?.trim();
+    if (path == null || path.isEmpty) return 'Ovrigt';
+    return path.split('>').first.trim();
+  }
+
   factory InventoryItem.fromJson(Map<String, dynamic> json) {
+    final product = (json['product'] as Map<String, dynamic>?) ?? const {};
     return InventoryItem(
       id: json['id'] as int,
       productId: json['productId'] as int,
-      productName: (json['product'] as Map<String, dynamic>?)?['name'] as String? ?? '',
+      productName: product['name'] as String? ?? '',
+      productCanonicalName: product['canonicalName'] as String?,
+      categoryPath: _buildCategoryPath(product['categoryRef']),
       quantity: double.tryParse(json['quantity']?.toString() ?? '0') ?? 0,
       unit: json['unit'] as String? ?? '',
       location: json['location'] as String?,
@@ -40,4 +60,21 @@ class InventoryItem {
       comment: json['comment'] as String?,
     );
   }
+
+  static String? _buildCategoryPath(dynamic rawCategoryRef) {
+    if (rawCategoryRef is! Map<String, dynamic>) return null;
+
+    final names = <String>[];
+    dynamic current = rawCategoryRef;
+    while (current is Map<String, dynamic>) {
+      final name = current['name']?.toString().trim();
+      if (name != null && name.isNotEmpty) {
+        names.insert(0, name);
+      }
+      current = current['parent'];
+    }
+
+    if (names.isEmpty) return null;
+    return names.join(' > ');
+  }
 }

flutter/lib/features/inventory/presentation/create_inventory_screen.dart

@@ -15,7 +15,9 @@ import '../data/inventory_providers.dart';
 import '../../import/data/receipt_import_session.dart' show ImportDestination;
 
 class CreateInventoryScreen extends ConsumerStatefulWidget {
-  const CreateInventoryScreen({super.key});
+  final String? initialDestination;
+
+  const CreateInventoryScreen({super.key, this.initialDestination});
 
   @override
   ConsumerState<CreateInventoryScreen> createState() =>
@@ -43,6 +45,9 @@ class _CreateInventoryScreenState
   @override
   void initState() {
     super.initState();
+    if (widget.initialDestination == 'pantry') {
+      _destination = ImportDestination.pantry;
+    }
     _loadProducts();
   }
 

flutter/lib/features/inventory/presentation/inventory_screen.dart

@@ -17,6 +17,7 @@ class InventoryScreen extends ConsumerWidget {
     (value: 'nameAsc', label: context.l10n.inventorySortNameAsc),
     (value: 'bestBeforeAsc', label: context.l10n.inventorySortBestBeforeAsc),
     (value: 'bestBeforeDesc', label: context.l10n.inventorySortBestBeforeDesc),
+    (value: 'l1CategoryAsc', label: 'L1-kategori (A-O)'),
   ];
 
   @override
@@ -32,6 +33,17 @@ class InventoryScreen extends ConsumerWidget {
         onRetry: () => ref.invalidate(inventoryProvider),
       ),
       data: (items) {
+        final visibleItems = [...items];
+        if (sort == 'l1CategoryAsc') {
+          visibleItems.sort((a, b) {
+            final byCategory = a.l1Category.toLowerCase().compareTo(
+              b.l1Category.toLowerCase(),
+            );
+            if (byCategory != 0) return byCategory;
+            return a.displayName.toLowerCase().compareTo(b.displayName.toLowerCase());
+          });
+        }
+
         final filterSection = Padding(
           padding: const EdgeInsets.fromLTRB(12, 12, 12, 4),
           child: Column(
@@ -83,7 +95,7 @@ class InventoryScreen extends ConsumerWidget {
           ),
         );
 
-        if (items.isEmpty) {
+        if (visibleItems.isEmpty) {
           return Stack(
             children: [
               ListView(
@@ -109,11 +121,11 @@ class InventoryScreen extends ConsumerWidget {
           children: [
             ListView.separated(
               padding: const EdgeInsets.only(bottom: 88),
-              itemCount: items.length + 1,
+              itemCount: visibleItems.length + 1,
               separatorBuilder: (_, __) => const Divider(height: 1),
               itemBuilder: (context, index) {
                 if (index == 0) return filterSection;
-                final item = items[index - 1];
+                final item = visibleItems[index - 1];
                 return SwipeableInventoryTile(item: item);
               },
             ),