fix: Toman/Rial — system uses Toman everywhere, only ZarinPal gets Rial

Core change in ZarinPalPaymentService:
- InitiatePaymentAsync: Amount (Toman) × 10 → Rial for gateway
- VerifyPaymentWithAmountAsync: Amount (Toman) × 10 → Rial for verify
- Verify result: gateway Rial ÷ 10 → Toman back to system

Also fixed:
- Package.Price doc: ریال → تومان
- Error messages in 3 handlers: ریال → تومان
- ConfigurationService descriptions: ریال → تومان (7 entries)
- Notification SMS/email: ریال → تومان
- Doc comments in 5 command files: ریال → تومان
- PaymentCallback comments: ریال → تومان

14 files changed across Domain, Application, Infrastructure, WebApi

src/CMSMicroservice.WebApi/Controllers/PaymentCallbackController.cs

@@ -82,11 +82,11 @@ public class PaymentCallbackController : ControllerBase
             if (string.Equals(status, "OK", StringComparison.OrdinalIgnoreCase)
                 && !string.IsNullOrEmpty(authority))
             {
-                // Verify با مبلغ از دیتابیس (ریال)
+                // Verify با مبلغ از دیتابیس (تومان — تبدیل به ریال در ZarinPalService)
                 var verifyResult = await _paymentGateway.VerifyPaymentAsync(
                     authority,
                     status!,
-                    order.GatewayAmountPaid,  // مبلغ به ریال
+                    order.GatewayAmountPaid,  // مبلغ به تومان
                     cancellationToken);
 
                 paymentSuccess = verifyResult.IsSuccess;