feat(centralui): DialogHost ShowAsync<T> custom-content + focus trap/restore + backdrop hook (T33a)

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Pages/NotificationListsPageTests.cs

@@ -107,5 +107,11 @@ public class NotificationListsPageTests : BunitContext
         public Task<string?> PromptAsync(
             string title, string label, string initialValue = "", string? placeholder = null)
             => Task.FromResult<string?>(null);
+
+        public Task<TResult?> ShowAsync<TResult>(
+            string title,
+            Microsoft.AspNetCore.Components.RenderFragment<DialogContext<TResult>> body,
+            string? size = null)
+            => Task.FromResult<TResult?>(default);
     }
 }

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Pages/NotificationReportDetailModalTests.cs

@@ -289,5 +289,11 @@ public class NotificationReportDetailModalTests : BunitContext
         public Task<string?> PromptAsync(
             string title, string label, string initialValue = "", string? placeholder = null)
             => Task.FromResult<string?>(null);
+
+        public Task<TResult?> ShowAsync<TResult>(
+            string title,
+            Microsoft.AspNetCore.Components.RenderFragment<DialogContext<TResult>> body,
+            string? size = null)
+            => Task.FromResult<TResult?>(default);
     }
 }

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Pages/NotificationReportPageTests.cs

@@ -277,5 +277,11 @@ public class NotificationReportPageTests : BunitContext
         public Task<string?> PromptAsync(
             string title, string label, string initialValue = "", string? placeholder = null)
             => Task.FromResult<string?>(null);
+
+        public Task<TResult?> ShowAsync<TResult>(
+            string title,
+            Microsoft.AspNetCore.Components.RenderFragment<DialogContext<TResult>> body,
+            string? size = null)
+            => Task.FromResult<TResult?>(default);
     }
 }

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Pages/QueryStringDrillInTests.cs

@@ -211,6 +211,12 @@ public sealed class QueryStringDrillInTests
             => Task.FromResult(true);
         public Task<string?> PromptAsync(string title, string label, string initialValue = "", string? placeholder = null)
             => Task.FromResult<string?>(null);
+
+        public Task<TResult?> ShowAsync<TResult>(
+            string title,
+            Microsoft.AspNetCore.Components.RenderFragment<DialogContext<TResult>> body,
+            string? size = null)
+            => Task.FromResult<TResult?>(default);
     }
 
     private sealed class TransportImportFixture : BunitContext

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Pages/SiteCallsReportPageTests.cs

@@ -660,5 +660,11 @@ public class SiteCallsReportPageTests : BunitContext
         public Task<string?> PromptAsync(
             string title, string label, string initialValue = "", string? placeholder = null)
             => Task.FromResult<string?>(null);
+
+        public Task<TResult?> ShowAsync<TResult>(
+            string title,
+            Microsoft.AspNetCore.Components.RenderFragment<DialogContext<TResult>> body,
+            string? size = null)
+            => Task.FromResult<TResult?>(default);
     }
 }