Demo contacts page.

Wino.Core.Domain/Entities/Shared/AccountContact.cs

@@ -36,6 +36,12 @@ public class AccountContact : IEquatable<AccountContact>
     /// </summary>
     public bool IsRootContact { get; set; }
 
+    /// <summary>
+    /// When true, indicates that the contact has been manually modified by the user.
+    /// Contacts with this flag set to true should not be updated during synchronization.
+    /// </summary>
+    public bool IsOverridden { get; set; } = false;
+
     public override bool Equals(object obj)
     {
         return Equals(obj as AccountContact);

Wino.Core.Domain/Enums/WinoPage.cs

@@ -9,6 +9,7 @@ public enum WinoPage
     IdlePage,
     ComposePage,
     SettingsPage,
+    ContactsPage,
     MailRenderingPage,
     WelcomePage,
     AccountDetailsPage,
@@ -27,7 +28,6 @@ public enum WinoPage
     AliasManagementPage,
     EditAccountDetailsPage,
     KeyboardShortcutsPage,
-    // Calendar
     CalendarPage,
     CalendarSettingsPage,
     EventDetailsPage

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);
 }

Wino.Core.Domain/MenuItems/ContactsMenuItem.cs

@@ -0,0 +1,3 @@
+namespace Wino.Core.Domain.MenuItems;
+
+public class ContactsMenuItem : MenuItemBase { }

Wino.Core.Domain/Translations/en_US/resources.json

@@ -723,7 +723,39 @@
     "WinoUpgradeRemainingAccountsMessage": "{0} out of {1} free accounts used.",
     "Yesterday": "Yesterday",
     "SettingsAppPreferences_EmailSyncInterval_Title": "Email sync interval",
-    "SettingsAppPreferences_EmailSyncInterval_Description": "Automatic email synchronization interval (minutes). This setting will be applied only after restarting Wino Mail."
+    "SettingsAppPreferences_EmailSyncInterval_Description": "Automatic email synchronization interval (minutes). This setting will be applied only after restarting Wino Mail.",
+    "ContactsPage_Title": "Contacts",
+    "ContactsPage_AddContact": "Add Contact",
+    "ContactsPage_EditContact": "Edit Contact",
+    "ContactsPage_DeleteContact": "Delete Contact",
+    "ContactsPage_SearchPlaceholder": "Search contacts...",
+    "ContactsPage_NoContacts": "No contacts found",
+    "ContactsPage_ContactsCount": "{0} contacts",
+    "ContactsPage_SelectedContactsCount": "{0} selected",
+    "ContactsPage_DeleteSelectedContacts": "Delete Selected",
+    "ContactEditDialog_Title": "Edit Contact",
+    "ContactEditDialog_PhotoSection": "Photo",
+    "ContactEditDialog_ChoosePhoto": "Choose Photo",
+    "ContactEditDialog_RemovePhoto": "Remove Photo",
+    "ContactEditDialog_NameHeader": "Name",
+    "ContactEditDialog_NamePlaceholder": "Contact name",
+    "ContactEditDialog_EmailHeader": "Email Address",
+    "ContactEditDialog_EmailPlaceholder": "contact@example.com",
+    "ContactEditDialog_InfoSection": "Contact Information",
+    "ContactEditDialog_RootContactInfo": "This is a root contact associated with your accounts and cannot be deleted.",
+    "ContactEditDialog_OverriddenContactInfo": "This contact has been manually modified and will not be updated during synchronization.",
+    "ContactsPage_Subtitle": "Manage your email contacts and their information",
+    "ContactStatus_Account": "Account",
+    "ContactStatus_Modified": "Modified",
+    "ContactAction_Edit": "Edit contact",
+    "ContactAction_ChangePhoto": "Change photo",
+    "ContactAction_Delete": "Delete contact",
+    "ContactAction_Add": "Add Contact",
+    "ContactSelection_Selected": "selected",
+    "ContactSelection_SelectAll": "Select All",
+    "ContactSelection_Clear": "Clear Selection",
+    "ContactsPage_EmptyState": "No contacts to display",
+    "ContactsPage_AddFirstContact": "Add your first contact"
 }