Demo contacts page.

Wino.Core.Domain/Interfaces/IContactService.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using MimeKit;
 using Wino.Core.Domain.Entities.Shared;
@@ -11,4 +12,11 @@ public interface IContactService
     Task<AccountContact> GetAddressInformationByAddressAsync(string address);
     Task SaveAddressInformationAsync(MimeMessage message);
     Task<AccountContact> CreateNewContactAsync(string address, string displayName);
+    
+    // New methods for ContactsPage
+    Task<List<AccountContact>> GetAllContactsAsync();
+    Task<List<AccountContact>> SearchContactsAsync(string searchQuery);
+    Task<AccountContact> UpdateContactAsync(AccountContact contact);
+    Task DeleteContactAsync(string address);
+    Task DeleteContactsAsync(IEnumerable<string> addresses);
 }

Wino.Core.Domain/Interfaces/IMailDialogService.cs

@@ -59,4 +59,11 @@ public interface IMailDialogService : IDialogServiceBase
 #pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
     Task<KeyboardShortcutDialogResult> ShowKeyboardShortcutDialogAsync(KeyboardShortcut existingShortcut = null);
 #pragma warning restore CS8625
+
+    /// <summary>
+    /// Presents a dialog to the user for contact creation/modification.
+    /// </summary>
+    /// <param name="contact">Existing contact to edit, or null for new contact.</param>
+    /// <returns>Contact information. Null if canceled.</returns>
+    Task<AccountContact> ShowEditContactDialogAsync(AccountContact contact = null);
 }