fix(accessibility): declare native status before the browser peer

Refs #6, #7

Co-Authored-By: Codex (GPT-6) <noreply@openai.com>
Signed-off-by: James Maes <jmaes@dmdbrands.com>

docs/SESSION-STATE.md

@@ -52,6 +52,16 @@ assertions remain unchanged. Theme commit 0507ca5 is local until this follow-up
 117 core tests/100% coverage and zero-warning build/format passed. Real browser proof
 of display fitting and theme selection remains pending.
 
+Fitted head fa0df78 passed 25/26 hosted native/UI tests, including the document-theme
+choice, but still failed the initial status lookup. The retained fitted screenshot
+shows the status line visibly inside the window; fitting fixed clipping, not the
+remaining automation problem. Diagnostics encountered an unsupported IsOffscreen
+property on a browser peer; reads now use ValueOrDefault. The next change declares
+the native status peer before WebView2, retaining Grid.Row=2 and the same visual
+layout, to test the embedded-provider traversal boundary. The theme test also checks
+actual painted dark/light backgrounds and retains its fixture screenshot. No assertion
+is weakened or skipped; proof remains pending.
+
 ## Repository and authorization
 
 Public repository: [MarkdownViewr.Windows](https://github.com/KofTwentyTwo/MarkdownViewr.Windows).

src/MarkdownViewr.Windows/MainWindow.xaml

@@ -44,7 +44,7 @@
          </MenuBarItem>
       </MenuBar>
 
-      <WebView2 x:Name="DocumentView" Grid.Row="1" Loaded="DocumentView_Loaded" AutomationProperties.Name="Markdown document" />
       <TextBlock x:Name="StatusText" Grid.Row="2" Margin="16,8" Text="Starting the document surface..." TextWrapping="Wrap" Foreground="{ThemeResource TextFillColorSecondaryBrush}" AutomationProperties.AutomationId="StatusText" AutomationProperties.Name="{Binding Text, ElementName=StatusText}" AutomationProperties.AccessibilityView="Content" AutomationProperties.LiveSetting="Polite" />
+      <WebView2 x:Name="DocumentView" Grid.Row="1" Loaded="DocumentView_Loaded" AutomationProperties.Name="Markdown document" />
    </Grid>
 </Window>

tests/MarkdownViewr.Windows.UiTests/AppSession.cs

@@ -103,7 +103,7 @@ public sealed class AppSession : IDisposable
       string name = Guid.NewGuid().ToString("N");
       MainWindow.CaptureToFile(Path.Combine(directory, name + ".png"));
       string tree = string.Join(Environment.NewLine, MainWindow.FindAllDescendants().Take(200).Select(element =>
-         $"Id={element.Properties.AutomationId.ValueOrDefault}; Name={element.Properties.Name.ValueOrDefault}; Type={element.Properties.ControlType.ValueOrDefault}; Bounds={element.BoundingRectangle}; Offscreen={element.IsOffscreen}"));
+         $"Id={element.Properties.AutomationId.ValueOrDefault}; Name={element.Properties.Name.ValueOrDefault}; Type={element.Properties.ControlType.ValueOrDefault}; Bounds={element.Properties.BoundingRectangle.ValueOrDefault}; Offscreen={element.Properties.IsOffscreen.ValueOrDefault}"));
       File.WriteAllText(Path.Combine(directory, name + ".log"), tree);
       return tree;
    }

tests/MarkdownViewr.Windows.UiTests/AppTests.cs

@@ -95,12 +95,15 @@ public class AppTests
    {
       using var session = new AppSession(document: "# Theme acceptance");
       session.WaitFor(() => session.FindInApp(cf => cf.ByName("Theme acceptance")), "the document heading", TimeSpan.FromSeconds(30));
+      WaitForDocumentColor(session, System.Drawing.Color.FromArgb(30, 30, 46));
       session.InvokeMenuItem("View", "DocumentThemesMenu");
       session.ClickElement("DocumentTheme:GitHub Light");
       session.WaitFor(
          () => session.ReadSettings().Contains("\"DocumentTheme\": \"GitHub Light\"", StringComparison.Ordinal) ? session.MainWindow : null,
          "the selected document theme to be saved");
       session.WaitFor(() => session.FindInApp(cf => cf.ByName("Theme acceptance")), "the document after its theme changes");
+      WaitForDocumentColor(session, System.Drawing.Color.White);
+      _output.WriteLine(session.DescribeDocumentStatus());
       Assert.DoesNotContain("\"Theme\": \"Light\"", session.ReadSettings(), StringComparison.Ordinal);
    }
 
@@ -251,6 +254,19 @@ public class AppTests
 
 
 
+   /// <summary>Waits for the actual painted document palette rather than just a saved preference or old heading.</summary>
+   private static void WaitForDocumentColor(AppSession session, System.Drawing.Color expected)
+   {
+      session.WaitFor(
+         () =>
+         {
+            using System.Drawing.Bitmap image = session.MainWindow.Capture();
+            return image.GetPixel(image.Width / 2, image.Height / 2).ToArgb() == expected.ToArgb() ? session.MainWindow : null;
+         },
+         "the rendered document background " + expected);
+   }
+
+
    /// <summary>Finds the browser's actual scroll provider, which is separate from the native window.</summary>
    private static AutomationElement FindDocumentScroller(AppSession session)
    {