Phase 7a: Cosmetic cleanup + delete orphaned PurchasePackage handler

- Delete orphaned PurchasePackageCommand handler (no RPC dispatch, no callers)
- Fix doc-comments: طلایی → پکیج in enums, entities, handlers
- Remove stale 56M inline comments
- Clean SystemConstants deprecated field docs

src/CMSMicroservice.Application/DayaLoanCQ/Commands/CheckAndProcessDayaLoans/CheckAndProcessDayaLoansCommandHandler.cs

@@ -12,7 +12,7 @@ namespace CMSMicroservice.Application.DayaLoanCQ.Commands.CheckAndProcessDayaLoa
 /// 1. استعلام از API دایا
 /// 2. ذخیره/به‌روزرسانی DayaLoanContract
 /// 3. شارژ کیف پول برای وام‌های تأیید شده
-/// 4. ثبت Order پکیج طلایی
+/// 4. ثبت Order پکیج
 /// 5. ارسال SMS
 /// </summary>
 public class CheckAndProcessDayaLoansCommandHandler : IRequestHandler<CheckAndProcessDayaLoansCommand, CheckAndProcessDayaLoansResponseDto>

src/CMSMicroservice.Application/ManualPaymentCQ/Commands/CreateManualPayment/CreateManualPaymentCommandHandler.cs

@@ -116,8 +116,8 @@ public class CreateManualPaymentCommandHandler : IRequestHandler<CreateManualPay
             var oldBalance = wallet.Balance;
             var oldDiscountBalance = wallet.DiscountBalance;
 
-            wallet.Balance += balanceAmount;                 // +56M
-            wallet.DiscountBalance += discountBalanceAmount; // +112M
+            wallet.Balance += balanceAmount;
+            wallet.DiscountBalance += discountBalanceAmount;
 
             // 8. ثبت لاگ کیف پول
             var walletLog = new UserWalletChangeLog

src/CMSMicroservice.Application/PackageCQ/Commands/PurchasePackage/PurchasePackageCommand.cs

@@ -1,18 +0,0 @@
-using CMSMicroservice.Application.Common.Interfaces;
-using CMSMicroservice.Application.Common.Models;
-using CMSMicroservice.Domain.Enums;
-using MediatR;
-using Microsoft.EntityFrameworkCore;
-
-namespace CMSMicroservice.Application.PackageCQ.Commands.PurchasePackage;
-
-/// <summary>
-/// دستور خرید پکیج از طریق درگاه بانکی
-/// </summary>
-public class PurchasePackageCommand : IRequest<PaymentInitiateResult>
-{
-    /// <summary>
-    /// شناسه کاربر
-    /// </summary>
-    public long UserId { get; set; }
-}

src/CMSMicroservice.Application/PackageCQ/Commands/PurchasePackage/PurchasePackageCommandHandler.cs

@@ -1,164 +0,0 @@
-using CMSMicroservice.Application.Common.Exceptions;
-using CMSMicroservice.Application.Common.Interfaces;
-using CMSMicroservice.Application.Common.Models;
-using CMSMicroservice.Domain.Entities;
-using CMSMicroservice.Domain.Enums;
-using MediatR;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Logging;
-using ValidationException = FluentValidation.ValidationException;
-
-namespace CMSMicroservice.Application.PackageCQ.Commands.PurchasePackage;
-
-public class PurchasePackageCommandHandler 
-    : IRequestHandler<PurchasePackageCommand, PaymentInitiateResult>
-{
-    private readonly IApplicationDbContext _context;
-    private readonly IPaymentGatewayService _paymentGateway;
-    private readonly IConfiguration _configuration;
-    private readonly ILogger<PurchasePackageCommandHandler> _logger;
-
-    public PurchasePackageCommandHandler(
-        IApplicationDbContext context,
-        IPaymentGatewayService paymentGateway,
-        IConfiguration configuration,
-        ILogger<PurchasePackageCommandHandler> logger)
-    {
-        _context = context;
-        _paymentGateway = paymentGateway;
-        _configuration = configuration;
-        _logger = logger;
-    }
-
-    public async Task<PaymentInitiateResult> Handle(
-        PurchasePackageCommand request, 
-        CancellationToken cancellationToken)
-    {
-        try
-        {
-            _logger.LogInformation(
-                "Starting package purchase for UserId: {UserId}", 
-                request.UserId
-            );
-
-            // 1. بررسی وجود کاربر
-            var user = await _context.Users
-                .FirstOrDefaultAsync(u => u.Id == request.UserId, cancellationToken);
-
-            if (user == null)
-            {
-                _logger.LogWarning("User not found: {UserId}", request.UserId);
-                throw new NotFoundException(nameof(User), request.UserId);
-            }
-
-            // 2. بررسی اینکه قبلاً پکیج نخریده باشد
-            if (user.PackagePurchaseMethod != PackagePurchaseMethod.None)
-            {
-                _logger.LogWarning(
-                    "User {UserId} has already purchased package via {Method}", 
-                    request.UserId, 
-                    user.PackagePurchaseMethod
-                );
-                throw new ValidationException(
-                    "شما قبلاً پکیج را خریداری کرده‌اید"
-                );
-            }
-
-            // 3. پیدا کردن پکیج (فعلاً پکیج طلایی)
-            var goldenPackage = await _context.Packages
-                .FirstOrDefaultAsync(
-                    p => p.Title.Contains("طلایی") || p.Title.Contains("Golden"), 
-                    cancellationToken
-                );
-
-            if (goldenPackage == null)
-            {
-                _logger.LogError("Package not found in database");
-                throw new NotFoundException("پکیج یافت نشد");
-            }
-
-            // 4. پیدا کردن آدرس پیش‌فرض کاربر (برای فیلد اجباری)
-            var defaultAddress = await _context.UserAddresses
-                .Where(a => a.UserId == request.UserId)
-                .OrderByDescending(a => a.Created)
-                .FirstOrDefaultAsync(cancellationToken);
-
-            if (defaultAddress == null)
-            {
-                _logger.LogWarning("No address found for user {UserId}", request.UserId);
-                throw new ValidationException(
-                    "لطفاً ابتدا یک آدرس برای خود ثبت کنید"
-                );
-            }
-
-            // 5. ایجاد سفارش
-            var order = new UserOrder
-            {
-                UserId = user.Id,
-                PackageId = goldenPackage.Id,
-                Amount = goldenPackage.Price, // 56,000,000 تومان
-                PaymentStatus = PaymentStatus.Pending,
-                DeliveryStatus = DeliveryStatus.None,
-                UserAddressId = defaultAddress.Id,
-                PaymentMethod = PaymentMethod.IPG
-            };
-
-            _context.UserOrders.Add(order);
-            await _context.SaveChangesAsync(cancellationToken);
-
-            _logger.LogInformation(
-                "Created UserOrder {OrderId} for UserId {UserId}, Amount: {Amount}", 
-                order.Id, 
-                request.UserId, 
-                order.Amount
-            );
-
-            // 6. ایجاد درخواست پرداخت از درگاه
-            var paymentRequest = new PaymentRequest
-            {
-                Amount = order.Amount,
-                UserId = user.Id,
-                Mobile = user.Mobile ?? "",
-                CallbackUrl = $"{_configuration["CmsBaseUrl"] ?? "https://localhost:32846"}/api/package/verify-package",
-                Description = $"خرید پکیج - سفارش #{order.Id}"
-            };
-
-            var paymentResult = await _paymentGateway.InitiatePaymentAsync(paymentRequest);
-
-            if (!paymentResult.IsSuccess)
-            {
-                _logger.LogError(
-                    "Payment gateway failed for OrderId {OrderId}: {ErrorMessage}", 
-                    order.Id, 
-                    paymentResult.ErrorMessage
-                );
-                
-                // به‌روزرسانی وضعیت سفارش
-                order.PaymentStatus = PaymentStatus.Reject;
-                await _context.SaveChangesAsync(cancellationToken);
-                
-                throw new Exception(
-                    $"خطا در ارتباط با درگاه پرداخت: {paymentResult.ErrorMessage}"
-                );
-            }
-
-            _logger.LogInformation(
-                "Payment initiated successfully. OrderId: {OrderId}, RefId: {RefId}", 
-                order.Id, 
-                paymentResult.RefId
-            );
-
-            return paymentResult;
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError(
-                ex, 
-                "Error in PurchasePackageCommand for UserId: {UserId}", 
-                request.UserId
-            );
-            throw;
-        }
-    }
-}

src/CMSMicroservice.Application/PackageCQ/Commands/PurchasePackage/PurchasePackageCommandValidator.cs

@@ -1,13 +0,0 @@
-using FluentValidation;
-
-namespace CMSMicroservice.Application.PackageCQ.Commands.PurchasePackage;
-
-public class PurchasePackageCommandValidator : AbstractValidator<PurchasePackageCommand>
-{
-    public PurchasePackageCommandValidator()
-    {
-        RuleFor(x => x.UserId)
-            .GreaterThan(0)
-            .WithMessage("شناسه کاربر باید بزرگتر از صفر باشد");
-    }
-}

src/CMSMicroservice.Domain/Common/SystemConstants.cs

@@ -41,14 +41,14 @@ public static class SystemConstants
     #region Package Settings
     
     /// <summary>
-    /// مبلغ پکیج طلایی / پایه (ریال) - 56 میلیون تومان
+    /// مبلغ پکیج پایه (ریال)
     /// [DEPRECATED] از Package.Price استفاده کنید
     /// </summary>
     [Obsolete("Moved to Package.Price. Read from Package entity instead.")]
     public const long BasePackageAmount = 56_000_000;
     
     /// <summary>
-    /// مبلغ وام دایا (ریال) - همان مبلغ پکیج طلایی
+    /// مبلغ وام دایا (ریال)
     /// [DEPRECATED] از Package.Price استفاده کنید
     /// </summary>
     [Obsolete("Moved to Package.Price. Read from Package entity with SupportsDayaPurchase=true.")]

src/CMSMicroservice.Domain/Entities/User.cs

@@ -63,7 +63,7 @@ public class User : BaseAuditableEntity
     public DateTime? DayaCreditReceivedAt { get; set; }
     
     /// <summary>
-    /// نحوه خرید پکیج طلایی (برای جلوگیری از خرید مجدد)
+    /// نحوه خرید پکیج (برای جلوگیری از خرید مجدد)
     /// </summary>
     public PackagePurchaseMethod PackagePurchaseMethod { get; set; } = PackagePurchaseMethod.None;
     

src/CMSMicroservice.Domain/Entities/UserWallet.cs

@@ -10,7 +10,7 @@ public class UserWallet : BaseAuditableEntity
     public long Balance { get; set; }
     
     /// <summary>
-    /// موجودی شبکه/کارمزد (کیف پول طلایی) - قابل برداشت نقدی یا خرید الماس
+    /// موجودی شبکه/کارمزد — قابل برداشت نقدی یا خرید الماس
     /// </summary>
     public long NetworkBalance { get; set; }
     

src/CMSMicroservice.Domain/Enums/CommissionPayoutStatus.cs

@@ -11,7 +11,7 @@ public enum CommissionPayoutStatus
     Pending = 0,
     
     /// <summary>
-    /// واریز شده به کیف پول طلایی
+    /// واریز شده به کیف پول
     /// </summary>
     Paid = 1,
     

src/CMSMicroservice.Domain/Enums/PackagePurchaseMethod.cs

@@ -1,7 +1,7 @@
 namespace CMSMicroservice.Domain.Enums;
 
 /// <summary>
-/// نحوه خرید پکیج طلایی توسط کاربر
+/// نحوه خرید پکیج توسط کاربر
 /// </summary>
 public enum PackagePurchaseMethod
 {