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salesbook.Maui/Core/Services/PageTitleService.cs

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+using salesbook.Shared.Core.Interface;
+
+namespace salesbook.Maui.Core.Services;
+
+public class PageTitleService(IDispatcher dispatcher) : IPageTitleService
+{
+    public void SetTitle(string title)
+    {
+        dispatcher.Dispatch(() =>
+        {
+            if (Application.Current?.MainPage is NavigationPage nav &&
+                nav.CurrentPage is ContentPage cp)
+            {
+                cp.Title = title;
+            }
+        });
+    }
+}