fix: pass amount to ZarinPal VerifyPaymentAsync — fix verify failure (amount=0 bug)

- PackageService.CustomerVerifyPackagePurchase: look up PaymentTransaction.Amount and pass to 3-arg overload
- TransactionsService.CustomerPaymentVerification: same fix
- VerifyDiscountWalletChargeCommandHandler: look up amount from PaymentTransaction
- VerifyPackagePurchaseCommandHandler: fix copy-paste bug (Authority as verificationToken) + add amount
- IPaymentGatewayService: throw NotImplementedException in default 3-arg impl to prevent silent amount=0
- MockPaymentGatewayService & DayaPaymentService: add 3-arg overload for compatibility

Root cause: ZarinPal requires the exact amount in verify request.
The 2-arg overload was sending amount=0 which caused Code=-1 (تأیید تراکنش ناموفق).

src/CMSMicroservice.WebApi/Services/PackageService.cs

@@ -274,13 +274,15 @@ public class PackageService : PackageContract.PackageContractBase
             };
         }
         
-        // Verify with payment gateway
-        var verifyResult = await _paymentGateway.VerifyPaymentAsync(
-            request.Authority, request.Status, context.CancellationToken);
-        
-        // آپدیت PaymentTransaction
+        // واکشی PaymentTransaction برای گرفتن مبلغ (تومان) جهت verify
         var paymentTx = await _context.PaymentTransactions
             .FirstOrDefaultAsync(pt => pt.Authority == request.Authority, context.CancellationToken);
+        
+        var amountInToman = paymentTx?.Amount ?? purchase.Amount;
+        
+        // Verify with payment gateway (مبلغ به تومان — سرویس زرین‌پال خودش ×۱۰ می‌کنه)
+        var verifyResult = await _paymentGateway.VerifyPaymentAsync(
+            request.Authority, request.Status, (decimal)amountInToman, context.CancellationToken);
         if (paymentTx != null)
         {
             paymentTx.PaymentStatus = verifyResult.IsSuccess;

src/CMSMicroservice.WebApi/Services/TransactionsService.cs

@@ -235,13 +235,15 @@ public class TransactionsService : TransactionsContract.TransactionsContractBase
             };
         }
         
-        // Verify with gateway
-        var verifyResult = await _paymentGateway.VerifyPaymentAsync(
-            request.Authority, request.Status, context.CancellationToken);
-        
-        // آپدیت PaymentTransaction
+        // واکشی PaymentTransaction برای گرفتن مبلغ (تومان) جهت verify
         var paymentTx = await _context.PaymentTransactions
             .FirstOrDefaultAsync(pt => pt.Authority == request.Authority, context.CancellationToken);
+        
+        var amountInToman = paymentTx?.Amount ?? transaction.Amount;
+        
+        // Verify with gateway (مبلغ به تومان — سرویس زرین‌پال خودش ×۱۰ می‌کنه)
+        var verifyResult = await _paymentGateway.VerifyPaymentAsync(
+            request.Authority, request.Status, (decimal)amountInToman, context.CancellationToken);
         if (paymentTx != null)
         {
             paymentTx.PaymentStatus = verifyResult.IsSuccess;