More updates on wino acc.

Wino.Core.Domain/Interfaces/IPreferencesService.cs

@@ -67,6 +67,17 @@ public interface IPreferencesService : INotifyPropertyChanged
     /// </summary>
     bool IsWinoAccountButtonHidden { get; set; }
 
+    /// <summary>
+    /// Serializes the current syncable preferences snapshot.
+    /// </summary>
+    string ExportPreferences();
+
+    /// <summary>
+    /// Deserializes and applies a preferences snapshot.
+    /// Returns the applied and failed property counts.
+    /// </summary>
+    (int appliedCount, int failedCount) ImportPreferences(string settingsJson);
+
     #endregion
 
     #region Mail

Wino.Core.Domain/Interfaces/IWinoAccountApiClient.cs

@@ -16,6 +16,7 @@ public interface IWinoAccountApiClient
     Task<ApiEnvelope<JsonElement>> LogoutAsync(string refreshToken, CancellationToken cancellationToken = default);
     Task<ApiEnvelope<AuthUserDto>> GetCurrentUserAsync(CancellationToken cancellationToken = default);
     Task<ApiEnvelope<AiStatusResultDto>> GetAiStatusAsync(CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<string>> CreateCheckoutSessionAsync(string productId, CancellationToken cancellationToken = default);
     Task<string?> GetSettingsAsync(CancellationToken cancellationToken = default);
     Task<bool> SaveSettingsAsync(string settingsJson, CancellationToken cancellationToken = default);
 }

Wino.Core.Domain/Interfaces/IWinoAccountProfileService.cs

@@ -3,6 +3,9 @@ using System.Threading;
 using System.Threading.Tasks;
 using Wino.Core.Domain.Entities.Shared;
 using Wino.Core.Domain.Models.Accounts;
+using Wino.Mail.Api.Contracts.Ai;
+using Wino.Mail.Api.Contracts.Auth;
+using Wino.Mail.Api.Contracts.Common;
 
 namespace Wino.Core.Domain.Interfaces;
 
@@ -12,6 +15,10 @@ public interface IWinoAccountProfileService
     Task<WinoAccountOperationResult> LoginAsync(string email, string password, CancellationToken cancellationToken = default);
     Task<WinoAccountOperationResult> RefreshAsync(CancellationToken cancellationToken = default);
     Task<WinoAccount?> GetActiveAccountAsync();
+    Task<WinoAccount?> GetAuthenticatedAccountAsync(CancellationToken cancellationToken = default);
     Task<bool> HasActiveAccountAsync();
+    Task<ApiEnvelope<AuthUserDto>> GetCurrentUserAsync(CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<AiStatusResultDto>> GetAiStatusAsync(CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<string>> CreateCheckoutSessionAsync(string productId, CancellationToken cancellationToken = default);
     Task SignOutAsync(CancellationToken cancellationToken = default);
 }