fix: Remove RemainingCount property from CreateDiscountProduct and related commands, initializing inventory with zero

src/CMSMicroservice.Application/DiscountShopCQ/Commands/CreateDiscountProduct/CreateDiscountProductCommand.cs

@@ -11,6 +11,5 @@ public class CreateDiscountProductCommand : IRequest<long>
     public int MaxDiscountPercent { get; set; }
     public string ImagePath { get; set; }
     public string ThumbnailPath { get; set; }
-    public int RemainingCount { get; set; }
     public List<long> CategoryIds { get; set; } = new();
 }

src/CMSMicroservice.Application/DiscountShopCQ/Commands/CreateDiscountProduct/CreateDiscountProductCommandHandler.cs

@@ -30,7 +30,7 @@ public class CreateDiscountProductCommandHandler : IRequestHandler<CreateDiscoun
             MaxDiscountPercent = request.MaxDiscountPercent,
             ImagePath = request.ImagePath,
             ThumbnailPath = request.ThumbnailPath,
-            RemainingCount = request.RemainingCount,
+            RemainingCount = 0, // موجودی اولیه صفر - باید از طریق Inventory اضافه شود
             Rate = 0,
             SaleCount = 0,
             ViewCount = 0,
@@ -40,11 +40,11 @@ public class CreateDiscountProductCommandHandler : IRequestHandler<CreateDiscoun
         _context.DiscountProducts.Add(product);
         await _context.SaveChangesAsync(cancellationToken);
 
-        // ایجاد رکورد موجودی در سیستم انبارداری
+        // ایجاد رکورد موجودی در سیستم انبارداری با موجودی اولیه صفر
         await _inventoryService.InitializeInventoryAsync(
             product.Id,
             ProductType.DiscountProduct,
-            request.RemainingCount,
+            0, // موجودی اولیه صفر - باید از طریق Inventory اضافه شود
             ct: cancellationToken);
 
         // Add product categories

src/CMSMicroservice.Application/DiscountShopCQ/Commands/CreateDiscountProduct/CreateDiscountProductCommandValidator.cs

@@ -24,9 +24,6 @@ public class CreateDiscountProductCommandValidator : AbstractValidator<CreateDis
         RuleFor(v => v.MaxDiscountPercent)
             .InclusiveBetween(0, 100).WithMessage("درصد تخفیف باید بین 0 تا 100 باشد");
 
-        RuleFor(v => v.RemainingCount)
-            .GreaterThanOrEqualTo(0).WithMessage("موجودی نمی‌تواند منفی باشد");
-
         RuleFor(v => v.ImagePath)
             .NotEmpty().WithMessage("تصویر محصول الزامی است");