feat: add more detailed history and group per day

lib/models/closed_tab.dart

@@ -9,7 +9,7 @@ class ClosedTab {
   final String originalTabId;
   final String customerName;
   final DateTime closedAt;
-final PaymentMethod paymentMethod;
+  final PaymentMethod paymentMethod;
 
   final List<ClosedTabItem> items;
   const ClosedTab({
@@ -21,10 +21,11 @@ final PaymentMethod paymentMethod;
     required this.items,
   });
 
-  int get itemCount => items.fold(0, (sum, item) => sum + item.quantity);
+  int get itemCount =>
+      items.fold(0, (sum, item) => sum + (item.isRemoved ? 0 : item.quantity));
 
   int get totalInCents =>
-      items.fold(0, (sum, item) => sum + item.quantity * item.unitPriceInCents);
+      items.fold(0, (sum, item) => sum + item.lineTotalInCents);
 
   String get formattedTotal =>
       NumberFormat.simpleCurrency().format(totalInCents / 100);
@@ -44,13 +45,13 @@ final PaymentMethod paymentMethod;
 
   @override
   int get hashCode => Object.hash(
-        id,
-        originalTabId,
-        customerName,
-        closedAt,
-        paymentMethod,
-        Object.hashAll(items),
-      );
+    id,
+    originalTabId,
+    customerName,
+    closedAt,
+    paymentMethod,
+    Object.hashAll(items),
+  );
 }
 
-// _listEquals moved to utils/collection_utils.dart
+// _listEquals moved to utils/collection_utils.dart