update database

lib/features/quotes/data/models/quote_item_model.dart

@@ -0,0 +1,45 @@
+import 'package:hive_ce/hive.dart';
+import 'package:worker/core/constants/storage_constants.dart';
+
+part 'quote_item_model.g.dart';
+
+@HiveType(typeId: HiveTypeIds.quoteItemModel)
+class QuoteItemModel extends HiveObject {
+  QuoteItemModel({required this.quoteItemId, required this.quoteId, required this.productId, required this.quantity, required this.originalPrice, required this.negotiatedPrice, required this.discountPercent, required this.subtotal, this.notes});
+  
+  @HiveField(0) final String quoteItemId;
+  @HiveField(1) final String quoteId;
+  @HiveField(2) final String productId;
+  @HiveField(3) final double quantity;
+  @HiveField(4) final double originalPrice;
+  @HiveField(5) final double negotiatedPrice;
+  @HiveField(6) final double discountPercent;
+  @HiveField(7) final double subtotal;
+  @HiveField(8) final String? notes;
+
+  factory QuoteItemModel.fromJson(Map<String, dynamic> json) => QuoteItemModel(
+    quoteItemId: json['quote_item_id'] as String,
+    quoteId: json['quote_id'] as String,
+    productId: json['product_id'] as String,
+    quantity: (json['quantity'] as num).toDouble(),
+    originalPrice: (json['original_price'] as num).toDouble(),
+    negotiatedPrice: (json['negotiated_price'] as num).toDouble(),
+    discountPercent: (json['discount_percent'] as num).toDouble(),
+    subtotal: (json['subtotal'] as num).toDouble(),
+    notes: json['notes'] as String?,
+  );
+
+  Map<String, dynamic> toJson() => {
+    'quote_item_id': quoteItemId,
+    'quote_id': quoteId,
+    'product_id': productId,
+    'quantity': quantity,
+    'original_price': originalPrice,
+    'negotiated_price': negotiatedPrice,
+    'discount_percent': discountPercent,
+    'subtotal': subtotal,
+    'notes': notes,
+  };
+
+  double get totalDiscount => originalPrice * quantity - subtotal;
+}