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.Application/WalletCQ/Commands/VerifyDiscountWalletCharge/VerifyDiscountWalletChargeCommandHandler.cs

@@ -49,16 +49,19 @@ public class VerifyDiscountWalletChargeCommandHandler
                 throw new NotFoundException(nameof(User), request.UserId);
             }
 
-            // 2. Verify با درگاه
-            // Authority = کد مرجع تراکنش، Status = "OK" (تأیید کاربر از درگاه)
-            var verifyResult = await _paymentGateway.VerifyPaymentAsync(
-                request.Authority,
-                "OK"  // وقتی این handler فراخوانی میشه یعنی کاربر از درگاه برگشته — Status باید OK باشه
-            );
-
-            // آپدیت PaymentTransaction با نتیجه verify
+            // واکشی PaymentTransaction برای گرفتن مبلغ (تومان) جهت verify
             var paymentTx = await _context.PaymentTransactions
                 .FirstOrDefaultAsync(pt => pt.Authority == request.Authority, cancellationToken);
+            
+            var amountInToman = (decimal)(paymentTx?.Amount ?? 0);
+
+            // 2. Verify با درگاه (مبلغ به تومان — تبدیل به ریال در ZarinPalService)
+            var verifyResult = await _paymentGateway.VerifyPaymentAsync(
+                request.Authority,
+                "OK",  // وقتی این handler فراخوانی میشه یعنی کاربر از درگاه برگشته — Status باید OK باشه
+                amountInToman,
+                cancellationToken
+            );
             if (paymentTx != null)
             {
                 paymentTx.PaymentStatus = verifyResult.IsSuccess;