feat: Add package management features and update checkout summary

- Added PackageService to handle package-related operations.
- Introduced MyPackages and Packages pages for user package management.
- Updated CheckoutSummary to display VAT calculations.
- Enhanced OrderDetail to show financial details including VAT.
- Added ChangePassword page for user profile management.
- Implemented OrderTracking page for tracking order status.
- Updated RouteConstants to include new routes for packages and password change.

src/FrontOffice.Main/Utilities/PackageService.cs

@@ -0,0 +1,121 @@
+using FrontOffice.BFF.Package.Protobuf.Protos.Package;
+
+namespace FrontOffice.Main.Utilities;
+
+/// <summary>
+/// Package data transfer object for UI display
+/// </summary>
+public record PackageDto(
+    long Id,
+    string Title,
+    string Description,
+    string ImageUrl,
+    long Price)
+{
+    public string FormattedPrice => string.Format("{0:N0} تومان", Price);
+}
+
+/// <summary>
+/// User's package purchase status
+/// </summary>
+public record UserPackageStatusDto(
+    bool HasPurchasedPackage,
+    string? PurchaseMethod, // DayaLoan, DirectPurchase, or null
+    bool IsClubMemberActive,
+    long WalletBalance,
+    bool CanActivateClubMembership,
+    DateTime? PurchaseDate);
+
+/// <summary>
+/// Service for managing packages in FrontOffice
+/// </summary>
+public class PackageService
+{
+    private readonly PackageContract.PackageContractClient _client;
+
+    public PackageService(PackageContract.PackageContractClient client)
+    {
+        _client = client;
+    }
+
+    /// <summary>
+    /// Get all available packages
+    /// </summary>
+    public async Task<List<PackageDto>> GetAllPackagesAsync(CancellationToken ct = default)
+    {
+        try
+        {
+            var request = new GetAllPackageByFilterRequest
+            {
+                PaginationState = new PaginationState
+                {
+                    PageNumber = 1,
+                    PageSize = 100
+                }
+            };
+
+            var response = await _client.GetAllPackageByFilterAsync(request, cancellationToken: ct);
+
+            return response.Models
+                .Select(m => new PackageDto(
+                    m.Id,
+                    m.Title,
+                    m.Description,
+                    UrlUtility.DownloadUrl + m.ImagePath,
+                    m.Price))
+                .ToList();
+        }
+        catch (Exception ex)
+        {
+#if DEBUG
+            Console.WriteLine($"Error fetching packages: {ex.Message}");
+#endif
+            return new List<PackageDto>();
+        }
+    }
+
+    /// <summary>
+    /// Get a single package by ID
+    /// </summary>
+    public async Task<PackageDto?> GetPackageByIdAsync(long id, CancellationToken ct = default)
+    {
+        try
+        {
+            var response = await _client.GetPackageAsync(
+                new GetPackageRequest { Id = id },
+                cancellationToken: ct);
+
+            if (response == null) return null;
+
+            return new PackageDto(
+                response.Id,
+                response.Title,
+                response.Description,
+                UrlUtility.DownloadUrl + response.ImagePath,
+                response.Price);
+        }
+        catch (Exception ex)
+        {
+#if DEBUG
+            Console.WriteLine($"Error fetching package {id}: {ex.Message}");
+#endif
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Get user's package purchase status (Mock for now - needs BFF implementation)
+    /// </summary>
+    public Task<UserPackageStatusDto> GetUserPackageStatusAsync(CancellationToken ct = default)
+    {
+        // TODO: Connect to GetUserPackageStatus RPC when available in FrontOffice.BFF
+        // For now, return a mock status
+        return Task.FromResult(new UserPackageStatusDto(
+            HasPurchasedPackage: false,
+            PurchaseMethod: null,
+            IsClubMemberActive: false,
+            WalletBalance: 0,
+            CanActivateClubMembership: false,
+            PurchaseDate: null));
+    }
+}

src/FrontOffice.Main/Utilities/RouteConstants.cs

@@ -18,6 +18,7 @@ public static class RouteConstants
         public const string Personal = "/profile/personal";
         public const string Addresses = "/profile/addresses";
         public const string Settings = "/profile/settings";
+        public const string ChangePassword = "/profile/change-password";
         public const string Tree = "/profile/tree";
         public const string Wallet = "/profile/wallet";
     }
@@ -43,7 +44,10 @@ public static class RouteConstants
 
     public static class Package
     {
+        public const string List = "/packages";
         public const string Detail = "/package/";
+        public const string MyPackages = "/my-packages";
+        public const string Purchase = "/purchase-package/";
     }
 
     public static class About
@@ -74,6 +78,7 @@ public static class RouteConstants
         public const string CheckoutSummary = "/checkout-summary";
         public const string Orders = "/orders";
         public const string OrderDetail = "/order/"; // usage: /order/{id}
+        public const string OrderTracking = "/order-tracking/"; // usage: /order-tracking/{id}
         public const string Categories = "/categories";
     }
 }