Merge branch 'main' of https://git.renolation.com/renolation/retail

# Conflicts:
#	docs/API_RESPONSE_FIX.md
#	docs/AUTH_UI_SUMMARY.md
#	docs/AUTO_LOGIN_DEBUG.md
#	docs/AUTO_LOGIN_FIXED.md
#	docs/BUILD_STATUS.md
#	docs/CLEANUP_COMPLETE.md
#	docs/EXPORT_FILES_SUMMARY.md
#	docs/RIVERPOD_DI_MIGRATION.md
#	docs/TEST_AUTO_LOGIN.md
#	lib/features/categories/data/datasources/category_remote_datasource.dart
#	lib/features/categories/presentation/providers/categories_provider.dart
#	lib/features/categories/presentation/providers/categories_provider.g.dart
#	lib/features/products/data/datasources/product_remote_datasource.dart
#	lib/features/products/data/models/product_model.dart
#	lib/features/products/presentation/pages/products_page.dart
#	lib/features/products/presentation/providers/products_provider.dart
#	lib/features/products/presentation/providers/products_provider.g.dart

lib/features/products/data/models/product_model.dart

@@ -13,7 +13,7 @@ class ProductModel extends HiveObject {
   final String name;
 
   @HiveField(2)
-  final String? description;
+  final String description;
 
   @HiveField(3)
   final double price;
@@ -39,7 +39,7 @@ class ProductModel extends HiveObject {
   ProductModel({
     required this.id,
     required this.name,
-    this.description,
+    required this.description,
     required this.price,
     this.imageUrl,
     required this.categoryId,
@@ -83,17 +83,11 @@ class ProductModel extends HiveObject {
 
   /// Create from JSON
   factory ProductModel.fromJson(Map<String, dynamic> json) {
-    // Handle price as string or number from API
-    final priceValue = json['price'];
-    final price = priceValue is String
-        ? double.parse(priceValue)
-        : (priceValue as num).toDouble();
-
     return ProductModel(
       id: json['id'] as String,
       name: json['name'] as String,
-      description: json['description'] as String?,
-      price: price,
+      description: json['description'] as String? ?? '',
+      price: (json['price'] as num).toDouble(),
       imageUrl: json['imageUrl'] as String?,
       categoryId: json['categoryId'] as String,
       stockQuantity: json['stockQuantity'] as int? ?? 0,
@@ -101,7 +95,6 @@ class ProductModel extends HiveObject {
       createdAt: DateTime.parse(json['createdAt'] as String),
       updatedAt: DateTime.parse(json['updatedAt'] as String),
     );
-    // Note: Nested 'category' object is ignored as we only need categoryId
   }
 
   /// Convert to JSON