feat(inventory): implement swipeable inventory tile and product picker field

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

@@ -7,6 +7,7 @@ import '../../../core/ui/async_state_views.dart';
 import '../../auth/data/auth_providers.dart';
 import '../data/inventory_providers.dart';
 import '../domain/inventory_item.dart';
+import 'swipeable_inventory_tile.dart';
 
 class InventoryScreen extends ConsumerWidget {
   const InventoryScreen({super.key});
@@ -113,7 +114,7 @@ class InventoryScreen extends ConsumerWidget {
               itemBuilder: (context, index) {
                 if (index == 0) return filterSection;
                 final item = items[index - 1];
-                return _InventoryTile(item: item);
+                return SwipeableInventoryTile(item: item);
               },
             ),
             Positioned(
@@ -132,111 +133,4 @@ class InventoryScreen extends ConsumerWidget {
   }
 }
 
-class _InventoryTile extends StatelessWidget {
-  final InventoryItem item;
 
-  const _InventoryTile({required this.item});
-
-  @override
-  Widget build(BuildContext context) {
-    final subtitle = [
-      '${item.quantity} ${item.unit}',
-      if (item.location != null && item.location!.isNotEmpty) item.location!,
-      if (item.bestBeforeDate != null) 'Bäst före: ${_formatDate(item.bestBeforeDate!)}',
-    ].join(' · ');
-
-    return ListTile(
-      title: Text(item.productName),
-      subtitle: Text(subtitle),
-      trailing: Row(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          if (item.opened)
-            const Padding(
-              padding: EdgeInsets.only(right: 4),
-              child: Chip(
-                label: Text('Öppnad'),
-                padding: EdgeInsets.zero,
-                visualDensity: VisualDensity.compact,
-              ),
-            ),
-          Tooltip(
-            message: 'Konsumera',
-            child: IconButton(
-              icon: const Icon(Icons.remove_circle_outline),
-              onPressed: () => context.push('/inventory/${item.id}/consume'),
-            ),
-          ),
-          Tooltip(
-            message: 'Redigera',
-            child: IconButton(
-              icon: const Icon(Icons.edit_outlined),
-              onPressed: () => context.push('/inventory/${item.id}/edit'),
-            ),
-          ),
-          _DeleteInventoryButton(item: item),
-        ],
-      ),
-      onTap: () => context.push('/inventory/${item.id}'),
-    );
-  }
-
-  String _formatDate(String iso) {
-    try {
-      final dt = DateTime.parse(iso);
-      return '${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')}';
-    } catch (_) {
-      return iso;
-    }
-  }
-}
-
-class _DeleteInventoryButton extends ConsumerWidget {
-  final InventoryItem item;
-
-  const _DeleteInventoryButton({required this.item});
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    return Tooltip(
-      message: 'Ta bort',
-      child: IconButton(
-        icon: const Icon(Icons.delete_outline, color: Colors.red),
-        onPressed: () async {
-          final confirmed = await showDialog<bool>(
-            context: context,
-            builder: (ctx) => AlertDialog(
-              title: const Text('Ta bort inventariepost?'),
-              content: Text('Vill du ta bort "${item.productName}"?'),
-              actions: [
-                TextButton(
-                  onPressed: () => Navigator.pop(ctx, false),
-                  child: const Text('Avbryt'),
-                ),
-                FilledButton(
-                  onPressed: () => Navigator.pop(ctx, true),
-                  child: const Text('Ta bort'),
-                ),
-              ],
-            ),
-          );
-
-          if (confirmed != true) return;
-
-          try {
-            final token = await ref.read(authStateProvider.future);
-            await ref
-                .read(inventoryRepositoryProvider)
-                .deleteInventoryItem(item.id, token: token);
-            ref.invalidate(inventoryProvider);
-          } catch (error) {
-            if (!context.mounted) return;
-            ScaffoldMessenger.of(context).showSnackBar(
-              SnackBar(content: Text(mapErrorToUserMessage(error, context))),
-            );
-          }
-        },
-      ),
-    );
-  }
-}