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

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

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

@@ -10,7 +10,9 @@ import '../../../core/forms/form_options.dart';
 import '../../../core/l10n/l10n.dart';
 import '../../../core/ui/product_picker_field.dart';
 import '../../auth/data/auth_providers.dart';
+import '../../pantry/data/pantry_providers.dart';
 import '../data/inventory_providers.dart';
+import '../../import/data/receipt_import_session.dart' show ImportDestination;
 
 class CreateInventoryScreen extends ConsumerStatefulWidget {
   const CreateInventoryScreen({super.key});
@@ -36,6 +38,7 @@ class _CreateInventoryScreenState
   DateTime? _bestBeforeDate;
   bool _opened = false;
   bool _saving = false;
+  ImportDestination _destination = ImportDestination.inventory;
 
   @override
   void initState() {
@@ -101,13 +104,40 @@ class _CreateInventoryScreenState
   }
 
   Future<void> _save() async {
-    if (!_formKey.currentState!.validate()) return;
     if (_selectedProductId == null) {
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(content: Text(context.l10n.inventorySelectProduct)),
       );
       return;
     }
+
+    if (_destination == ImportDestination.pantry) {
+      setState(() => _saving = true);
+      try {
+        final token = await ref.read(authStateProvider.future);
+        await ref
+            .read(pantryRepositoryProvider)
+            .createPantryItem(
+              _selectedProductId!,
+              token: token,
+              location: _locationController.text.trim().isEmpty
+                  ? null
+                  : _locationController.text.trim(),
+            );
+        ref.invalidate(pantryProvider);
+        if (mounted) context.pop();
+      } catch (e) {
+        if (mounted) {
+          ScaffoldMessenger.of(context).showSnackBar(
+              buildCopyableErrorSnackBar(context, mapErrorToUserMessage(e, context)));
+        }
+      } finally {
+        if (mounted) setState(() => _saving = false);
+      }
+      return;
+    }
+
+    if (!_formKey.currentState!.validate()) return;
     setState(() => _saving = true);
     try {
       final token = await ref.read(authStateProvider.future);
@@ -163,6 +193,8 @@ class _CreateInventoryScreenState
         )
         .toList();
 
+    final isInventory = _destination == ImportDestination.inventory;
+
     return Scaffold(
       appBar: AppBar(title: Text(context.l10n.inventoryCreateTitle)),
       body: Form(
@@ -170,6 +202,25 @@ class _CreateInventoryScreenState
         child: ListView(
           padding: const EdgeInsets.all(16),
           children: [
+            SegmentedButton<ImportDestination>(
+              segments: const [
+                ButtonSegment(
+                  value: ImportDestination.inventory,
+                  label: Text('Inventarie'),
+                  icon: Icon(Icons.inventory_2_outlined),
+                ),
+                ButtonSegment(
+                  value: ImportDestination.pantry,
+                  label: Text('Skafferi'),
+                  icon: Icon(Icons.kitchen_outlined),
+                ),
+              ],
+              selected: {_destination},
+              onSelectionChanged: _saving
+                  ? null
+                  : (selected) => setState(() => _destination = selected.first),
+            ),
+            const SizedBox(height: 16),
             ProductPickerField(
               products: productOptions,
               value: _selectedProductId,
@@ -179,7 +230,31 @@ class _CreateInventoryScreenState
               onChanged: (value) => setState(() => _selectedProductId = value),
             ),
             const SizedBox(height: 12),
-            Row(
+            DropdownButtonFormField<String>(
+              initialValue: _locationController.text.trim().isEmpty
+                  ? null
+                  : _locationController.text.trim(),
+              isExpanded: true,
+              decoration: InputDecoration(
+                labelText: context.l10n.locationOptionalLabel,
+                border: const OutlineInputBorder(),
+              ),
+              items: inventoryLocationOptions
+                  .map(
+                    (location) => DropdownMenuItem<String>(
+                      value: location,
+                      child: Text(location),
+                    ),
+                  )
+                  .toList(),
+              onChanged: _saving
+                  ? null
+                  : (value) => setState(() {
+                        _locationController.text = value ?? '';
+                      }),
+            ),
+            if (isInventory) const SizedBox(height: 12),
+            if (isInventory) Row(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Expanded(
@@ -232,32 +307,8 @@ class _CreateInventoryScreenState
                 ),
               ],
             ),
-            const SizedBox(height: 12),
-            DropdownButtonFormField<String>(
-              initialValue: _locationController.text.trim().isEmpty
-                  ? null
-                  : _locationController.text.trim(),
-              isExpanded: true,
-              decoration: InputDecoration(
-                labelText: context.l10n.locationOptionalLabel,
-                border: const OutlineInputBorder(),
-              ),
-              items: inventoryLocationOptions
-                  .map(
-                    (location) => DropdownMenuItem<String>(
-                      value: location,
-                      child: Text(location),
-                    ),
-                  )
-                  .toList(),
-              onChanged: _saving
-                  ? null
-                  : (value) => setState(() {
-                        _locationController.text = value ?? '';
-                      }),
-            ),
-            const SizedBox(height: 12),
-            TextFormField(
+            if (isInventory) const SizedBox(height: 12),
+            if (isInventory) TextFormField(
               controller: _brandController,
               decoration: InputDecoration(
                 labelText: context.l10n.brandOptionalLabel,
@@ -265,8 +316,8 @@ class _CreateInventoryScreenState
               ),
               enabled: !_saving,
             ),
-            const SizedBox(height: 12),
-            Row(
+            if (isInventory) const SizedBox(height: 12),
+            if (isInventory) Row(
               children: [
                 Expanded(
                   child: OutlinedButton.icon(
@@ -291,7 +342,7 @@ class _CreateInventoryScreenState
                 ),
               ],
             ),
-            CheckboxListTile(
+            if (isInventory) CheckboxListTile(
               title: Text(context.l10n.openedLabel),
               value: _opened,
               onChanged:
@@ -299,7 +350,7 @@ class _CreateInventoryScreenState
               controlAffinity: ListTileControlAffinity.leading,
               contentPadding: EdgeInsets.zero,
             ),
-            TextFormField(
+            if (isInventory) TextFormField(
               controller: _commentController,
               decoration: InputDecoration(
                 labelText: context.l10n.commentOptionalLabel,