Display notifications on PostIt home page

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/Yavsc.Api.Client/IYavscApiClient.cs

@@ -42,6 +42,10 @@ public interface IYavscApiClient : IAsyncDisposable
     /// </summary>
     HttpClient Http { get; }
 
+    /// <summary>Read a public JSON endpoint without attaching session credentials.</summary>
+    Task<T> GetAnonymousAsync<T>(string path, CancellationToken ct = default)
+        => throw new NotSupportedException("Anonymous requests are not supported by this transport.");
+
     /// <summary>Call a JSON endpoint with a typed return value.</summary>
     /// <param name="method">HTTP verb.</param>
     /// <param name="path">Path relative to <see cref="HttpClient.BaseAddress"/>.</param>

src/Yavsc.Api.Client/NotificationsApiClient.cs

@@ -45,6 +45,9 @@ public sealed class NotificationsApiClient
             ct: ct);
     }
 
+    public Task<List<Notification>> GetPublicAsync(CancellationToken ct = default)
+        => _api.GetAnonymousAsync<List<Notification>>(Absolute(PathPrefix), ct);
+
     private string Absolute(string relativePath) => new Uri(ResolveBusinessBaseAddress(), relativePath).ToString();
 
     private Uri ResolveBusinessBaseAddress()