test are green !?!

Makefile

@@ -165,9 +165,10 @@ LOGCAT_LINES ?= 200
 LOGCAT_FOLLOW ?= 0
 LOGCAT_BOOT_WAIT ?= 30
 
+ANDROID_PACKAGE_NAME = fr.pschneider.PostIt
 POSTIT_ANDROID_CSPROJ := src/PostIt/PostIt.Android/PostIt.Android.csproj
 POSTIT_APK_DIR := src/PostIt/PostIt.Android/bin/$(CONFIG)/net10.0-android/$(POSTIT_RID)
-POSTIT_APK := $(POSTIT_APK_DIR)/fr.pschneider.PostIt-Signed.apk
+POSTIT_APK := $(POSTIT_APK_DIR)/$(ANDROID_PACKAGE_NAME)-Signed.apk
 
 qemu-run:
 	@echo "  Starting AVD $(AVD_NAME) on $(ADB_SERIAL)..."
@@ -227,12 +228,12 @@ qemu-install: qemu-build
 	adb -s $(ADB_SERIAL) install -r "$(POSTIT_APK)" -r
 
 qemu-uninstall:
-	adb -s $(ADB_SERIAL) uninstall fr.pschneider.PostIt
+	adb -s $(ADB_SERIAL) uninstall $(ANDROID_PACKAGE_NAME)
 
 # Dump recent logcat output for the running PostIt.Android process.
 # By default, prints the last $(LOGCAT_LINES) lines (one-shot, with
 # `-d`). Set LOGCAT_FOLLOW=1 to follow the stream live instead.
-# Filtering is by PID (pidof fr.pschneider.PostIt), not by tag,
+# Filtering is by PID (pidof $(ANDROID_PACKAGE_NAME)), not by tag,
 # because Mono/Xamarin can emit logs under several tags
 # (mono, PostIt.Android, Avalonia.Android) and tag-based filtering
 # would miss the ones not matching. PID-based filtering is exact.
@@ -240,17 +241,17 @@ qemu-uninstall:
 # silently with no output; that is the expected behaviour for
 # "no logs yet".
 qemu-logcat:
-	@PID=$$(adb -s $(ADB_SERIAL) shell pidof fr.pschneider.PostIt 2>/dev/null | tr -d '\r\n'); \
+	@PID=$$(adb -s $(ADB_SERIAL) shell pidof $(ANDROID_PACKAGE_NAME) 2>/dev/null | tr -d '\r\n'); \
 	if [ -z "$$PID" ]; then \
-	    echo "  fr.pschneider.PostIt is not running on $(ADB_SERIAL)."; \
+	    echo "  $(ANDROID_PACKAGE_NAME) is not running on $(ADB_SERIAL)."; \
-	    echo "  Start the app first (am start -n fr.pschneider.PostIt/PostIt.Android.PostItMainActivity)"; \
+	    echo "  Start the app first (am start -n $(ANDROID_PACKAGE_NAME)/PostIt.Android.PostItMainActivity)"; \
 	    exit 1; \
 	fi; \
 	echo "  Following PID $$PID (LOGCAT_FOLLOW=$(LOGCAT_FOLLOW), LOGCAT_LINES=$(LOGCAT_LINES))"; \
 	if [ "$(LOGCAT_FOLLOW)" = "1" ]; then \
-	    adb -s $(ADB_SERIAL) logcat -v time --pid=$$PID fr.pschneider.PostIt:F; \
+	    adb -s $(ADB_SERIAL) logcat -v time --pid=$$PID $(ANDROID_PACKAGE_NAME):F; \
 	else \
-	    adb -s $(ADB_SERIAL) logcat -d -v time -t $(LOGCAT_LINES) --pid=$$PID fr.pschneider.PostIt:F; \
+	    adb -s $(ADB_SERIAL) logcat -d -v time -t $(LOGCAT_LINES) --pid=$$PID $(ANDROID_PACKAGE_NAME):F; \
 	fi
 
 # Clear logcat, launch PostIt.Android, then dump everything that was
@@ -264,13 +265,13 @@ LOGCAT_BOOT_WAIT ?= 15
 qemu-logcat-boot:
 	@echo "  Clearing logcat buffer..."
 	adb -s $(ADB_SERIAL) logcat -c
-	@echo "  Launching fr.pschneider.PostIt..."
+	@echo "  Launching $(ANDROID_PACKAGE_NAME)..."
 	adb -s $(ADB_SERIAL) shell am start \
-	    -n fr.pschneider.PostIt/PostIt.Android.PostItMainActivity
+	    -n $(ANDROID_PACKAGE_NAME)/PostIt.Android.PostItMainActivity
 	@echo "  Waiting $(LOGCAT_BOOT_WAIT)s for the app to start rendering..."
 	@sleep $(LOGCAT_BOOT_WAIT)
 	@echo "  Dumping logcat (PostIt PID + system buffer):"
-	@PID=$$(adb -s $(ADB_SERIAL) shell pidof fr.pschneider.PostIt 2>/dev/null | tr -d '\r\n'); \
+	@PID=$$(adb -s $(ADB_SERIAL) shell pidof $(ANDROID_PACKAGE_NAME) 2>/dev/null | tr -d '\r\n'); \
 	if [ -n "$$PID" ]; then \
 	    echo "  (PID $$PID at dump time)"; \
 	    adb -s $(ADB_SERIAL) logcat -d -v time --pid=$$PID; \

src/PostIt/Directory.Packages.props

@@ -1,9 +1,13 @@
 <Project>
-  <!-- Pull in shared package versions from the repository root. -->
   <Import
     Project="$([MSBuild]::GetPathOfFileAbove('Directory.Packages.props', '$(MSBuildThisFileDirectory)../'))" />
   <!-- PostIt-product-specific versions -->
-  <ItemGroup>     <!-- Avalonia packages -->
+  <!-- https://learn.microsoft.com/en-us/nuget/consume-packages/central-package-management -->
+    <PropertyGroup>
+        <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    </PropertyGroup>
+    <ItemGroup>
+        <!-- Avalonia packages -->
         <!-- Important: keep version in sync! -->
         <PackageVersion Include="Avalonia" Version="12.1.1" />
         <PackageVersion Include="Avalonia.Themes.Fluent" Version="12.1.1" />
@@ -11,28 +15,23 @@
         <PackageVersion Include="Avalonia.Desktop" Version="12.1.1" />
         <PackageVersion Include="Avalonia.Browser" Version="12.1.1" />
         <PackageVersion Include="Avalonia.Android" Version="12.1.1" />
-        <PackageVersion Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.3" />
-
-        <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.2" />
-
-        <PackageVersion Include="Xamarin.AndroidX.Core.SplashScreen" Version="1.0.1.15" />
-
-    <PackageVersion Include="Xamarin.AndroidX.Core.Core.KtX" Version="1.19.0.1" />
-    <PackageVersion Include="Xamarin.AndroidX.Compose.Runtime.Annotation.Jvm" Version="1.11.4" />
-    <PackageVersion Include="Xamarin.AndroidX.Core" Version="1.19.0.1" />
-    <PackageVersion Include="Xamarin.AndroidX.AppCompat" Version="1.7.1.4" />
-    <PackageVersion Include="Xamarin.AndroidX.Browser" Version="1.10.0.1" />
-
-    <PackageVersion Include="Xamarin.UITest.Core" Version="4.4.2" />
-    <PackageVersion Include="Xamarin.UITest.AndroidX" Version="4.4.2" />
-    <PackageVersion Include="Xamarin.UITest.Queries" Version="4.4.2" />
-    <PackageVersion Include="Xamarin.UITest" Version="4.4.2" />
-
         <PackageVersion Include="Avalonia.Headless" Version="12.1.1" />
         <PackageVersion Include="Avalonia.Headless.Xunit" Version="12.1.1" />
         <PackageVersion Include="Avalonia.AvaloniaEdit" Version="12.0.0" />
         <PackageVersion Include="Material.Avalonia" Version="3.19.0" />
+        <PackageVersion Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.3" />
+
+        <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.2" />
+
+        <PackageVersion Include="Xamarin.AndroidX.Browser" Version="1.10.0.1" />
+        <PackageVersion Include="Xamarin.AndroidX.Core.SplashScreen" Version="1.0.1.15" />
+        <PackageVersion Include="Xamarin.AndroidX.Lifecycle.Runtime" Version="2.11.0.1" />
+        <PackageVersion Include="Xamarin.AndroidX.Lifecycle.Common" Version="2.11.0.1" />
+        <PackageVersion Include="Xamarin.UITest" Version="4.4.2" />
+        
         <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.11" />
         <PackageVersion Include="Microsoft.Maui.Essentials" Version="10.0.100" />
+
+
     </ItemGroup>
 </Project>

src/PostIt/PostIt.Android/Application.cs

@@ -2,6 +2,12 @@
 using Android.Runtime;
 using Avalonia;
 using Avalonia.Android;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Avalonia.Controls;
+using Avalonia.Styling;
+using Yavsc.Api.Client;
 
 namespace PostIt.Android
 {

src/PostIt/PostIt.Android/MainActivity.cs

@@ -1,11 +1,8 @@
-using Android.App;
+using Android.App;
-using Android.Content.PM;
 using Android.Content;
+using Android.Content.PM;
+using Avalonia;
 using Avalonia.Android;
-using AndroidX.Emoji2.Text;
-using AndroidX.Core.Provider;
-using Android;
-using Android.Graphics;
 
 namespace PostIt.Android;
 
@@ -15,7 +12,6 @@ namespace PostIt.Android;
     Theme = "@style/MyTheme.NoActionBar",
     Icon = "@drawable/icon",
     MainLauncher = true,
-    LaunchMode = LaunchMode.SingleTask,
     ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize | ConfigChanges.UiMode)]
 public class MainActivity : AvaloniaMainActivity
 {
@@ -33,7 +29,6 @@ public class MainActivity : AvaloniaMainActivity
         PlatformBootstrap.EnsureInitialized();
         Current = this;
     }
-
      /// <summary>
     /// Receives the deep-link Intent fired by the system browser after the
     /// user completes the OIDC login on https://yavsc.pschneider.fr. The

src/PostIt/PostIt.Android/PostIt.Android.csproj

@@ -10,19 +10,22 @@
     <AndroidPackageFormat>apk</AndroidPackageFormat>
     <AndroidEnableProfiledAot>false</AndroidEnableProfiledAot>
   </PropertyGroup>
+
   <ItemGroup>
     <AndroidResource Include="Icon.png">
       <Link>Resources\drawable\Icon.png</Link>
     </AndroidResource>
   </ItemGroup>
-  <ItemGroup>
+
-    <ProjectReference Include="..\PostIt\PostIt.csproj" />
-  </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Avalonia.Android" />
     <PackageReference Include="Xamarin.AndroidX.Core.SplashScreen" />
-    <PackageReference Include="Avalonia.Browser" />
     <PackageReference Include="Xamarin.AndroidX.Browser" />
-    <PackageReference Include="IdentityModel.OidcClient" />
+    <PackageReference Include="Xamarin.AndroidX.Lifecycle.Runtime" />
+    <PackageReference Include="Xamarin.AndroidX.Lifecycle.Common" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PostIt\PostIt.csproj" />
   </ItemGroup>
 </Project>

src/PostIt/PostIt.Android/Properties/AndroidManifest.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="auto">
 	<uses-permission android:name="android.permission.INTERNET" />
 		<application android:label="PostIt" android:icon="@drawable/Icon">

src/PostIt/PostIt.Android/Resources/values-v31/styles.xml

@@ -8,5 +8,14 @@
     <item name="android:windowActionBar">false</item>
     <item name="android:windowBackground">@null</item>
     <item name="android:windowNoTitle">true</item>
+    <item name="android:windowSplashScreenBackground">@color/splash_background</item>
+    <item name="android:windowSplashScreenAnimatedIcon">@drawable/avalonia_anim</item>
+    <item name="android:windowSplashScreenAnimationDuration">1000</item>
+    <item name="postSplashScreenTheme">@style/MyTheme.Main</item>
+
+  </style>
+  <style name="MyTheme.Main"
+         parent ="MyTheme.NoActionBar">
+    <item name="android:windowIsTranslucent">true</item>
   </style>
 </resources>

src/PostIt/PostIt.Android/Resources/values/styles.xml

@@ -5,8 +5,8 @@
   </style>
 
   <style name="MyTheme.NoActionBar" parent="@style/Theme.AppCompat.DayNight.NoActionBar">
-    <item name="android:windowBackground">@drawable/splash_screen</item>
     <item name="android:windowActionBar">false</item>
+    <item name="android:windowBackground">@drawable/splash_screen</item>
     <item name="android:windowNoTitle">true</item>
   </style>
 </resources>

src/PostIt/PostIt.Android/Services/AndroidSystemBrowser.cs

@@ -40,9 +40,9 @@ public sealed class AndroidSystemBrowser : IBrowser
         var callbackTask = MainActivity.AndroidOidcCallbackSink.AwaitNextCallbackAsync();
 
         var tabsIntent = new CustomTabsIntent.Builder()
-            .SetShowTitle(true)
+            .SetShowTitle(true)!
             .Build();
-        tabsIntent.LaunchUrl(_activity, uri);
+        tabsIntent!.LaunchUrl(_activity, uri);
 
         string responseUri;
         try

src/PostIt/PostIt.Browser/PostIt.Browser.csproj

@@ -15,7 +15,4 @@
   <ItemGroup>
     <ProjectReference Include="..\PostIt\PostIt.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" />
-  </ItemGroup>
 </Project>

src/PostIt/PostIt.Desktop/PostIt.Desktop.csproj

@@ -24,7 +24,4 @@
   <ItemGroup>
     <ProjectReference Include="..\PostIt\PostIt.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" />
-  </ItemGroup>
 </Project>

src/PostIt/PostIt.Desktop/Program.cs

@@ -68,9 +68,6 @@ sealed class Program
     public static AppBuilder BuildAvaloniaApp()
         => AppBuilder.Configure<App>()
             .UsePlatformDetect()
-#if DEBUG
-            .WithDeveloperTools()
-#endif
             .WithInterFont()
             .LogToTrace();
 }

src/PostIt/PostIt.Tests/MainPageButtonsTests.cs

@@ -72,7 +72,7 @@ public class MainPageButtonsTests
         { }
     }
 
-    private static MainPageViewModel MakeViewModel(BlogPostDto? selectedPost = null)
+    private static MainViewModel MakeViewModel(BlogPostDto? selectedPost = null)
     {
         var api = new ThrowingApi();
         var blog = new BlogApiClient(api, "http://localhost/");
@@ -93,7 +93,7 @@ public class MainPageButtonsTests
         services.AddTransient<SignaturePage>();
         services.AddTransient<CirclesPage>();
         services.AddTransient<PostAclDialog>();
-        var vm = new MainPageViewModel(blog, services: services.BuildServiceProvider());
+        var vm = new MainViewModel(blog, services: services.BuildServiceProvider());
         if (selectedPost is not null) vm.SelectedPost = selectedPost;
         return vm;
     }
@@ -109,7 +109,7 @@ public class MainPageButtonsTests
     /// realised and <c>KeyPressQwerty</c> has a real
     /// <see cref="TopLevel"/> to dispatch against.
     /// </summary>
-    private static (MainWindow window, MainPage page) MountMainPage(MainPageViewModel vm)
+    private static (MainWindow window, MainPage page) MountMainPage(MainViewModel vm)
     {
         var window = new MainWindow();
         var page = new MainPage { DataContext = vm };

src/PostIt/PostIt.Tests/MainPageSaveTests.cs

@@ -40,7 +40,7 @@ public class MainPageSaveTests
         var recorder = new CallRecorder();
         var api = new RecordingYavscApiClient(recorder);
         var blog = new BlogApiClient(api, "http://localhost/");
-        var viewModel = new MainPageViewModel(blog);
+        var viewModel = new MainViewModel(blog);
 
         var page = new MainPage { DataContext = viewModel };
         // MainPage is a ContentPage (a Page, not a Control), so it

src/PostIt/PostIt.Tests/PostItViewModelTests.cs

@@ -16,7 +16,7 @@ public class PostItViewModelTests
         // throws on any call (we never call the API in this test).
         var fakeApi = new ThrowingYavscApiClient();
         var blog = new BlogApiClient(fakeApi, "http://localhost/");
-        var viewModel = new MainPageViewModel(blog);
+        var viewModel = new MainViewModel(blog);
 
         viewModel.Posts.Add(new BlogPostDto { Id = 1, Title = "First post", Article = "Hello world", AuthorId = "alice" });
         viewModel.Posts.Add(new BlogPostDto { Id = 2, Title = "Second post", Article = "Nothing here", AuthorId = "bob" });

src/PostIt/PostIt/App.axaml

@@ -1,13 +1,16 @@
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="using:PostIt"
-             x:Class="PostIt.App">
+             x:Class="PostIt.App"
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
 
-    <!-- ViewLocator is registered in App.axaml.cs with the real DI container. -->
+    <Application.DataTemplates>
+        <local:ViewLocator />
+    </Application.DataTemplates>
 
      <Application.Styles>
         <FluentTheme />
         <StyleInclude Source="avares://AvaloniaEdit/Themes/Fluent/AvaloniaEdit.xaml" />
-
     </Application.Styles>
 </Application>

src/PostIt/PostIt/App.axaml.cs

@@ -1,16 +1,16 @@
 using System;
 using System.Linq;
 using System.Threading.Tasks;
-using Microsoft.Extensions.DependencyInjection;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
 using Avalonia.Styling;
+using Microsoft.Extensions.DependencyInjection;
 using PostIt.Services;
-using Yavsc.Api.Client;
 using PostIt.ViewModels;
 using PostIt.Views;
+using Yavsc.Api.Client;
 
 namespace PostIt;
 
@@ -28,9 +28,7 @@ public partial class App : Application
     /// </summary>
     public IServiceProvider? ServiceProvider { get; private set; }
 
-    public App()
+    MainWindow window;
-    {
-    }
 
     public override void Initialize()
     {
@@ -42,101 +40,31 @@ public partial class App : Application
 
     public override void OnFrameworkInitializationCompleted()
     {
-        // Belt-and-braces 2nd-instance guard. The primary check now
-        // lives in PostIt.Desktop.Program.Main and exits before
-        // Avalonia boots — preventing a flash of the MainWindow on
-        // every postit://callback launch. This block is kept for any
-        // entry point that bypasses Program.Main (PostIt.Browser,
-        // PostIt.Android's process lifecycle, ad-hoc tests that build
-        // App directly) and as defence-in-depth in case the Desktop
-        // build is ever reconfigured to skip the early check.
         if (TryHandOffCustomSchemeUrl()) return;
 
         this.ServiceProvider = BuildServices(new ServiceCollection());
-        AttachServiceProvider(ServiceProvider);
         var settings = ServiceProvider.GetRequiredService<Settings>();
 
         DataTemplates.Clear();
         DataTemplates.Add(new ViewLocator(ServiceProvider));
 
-        // Wire the Settings singleton onto the SettingsPage singleton
-        // once, at composition time. The page is registered as a
-        // singleton (see above) precisely so this binding is stable
-        // for the lifetime of the app: every push to / pop from the
-        // navigation stack finds the same ContentPage with the same
-        // DataContext, and the TwoWay bindings inside the page keep
-        // mutating the same in-memory Settings instance that the rest
-        // of the app reads (OidcClientOptions construction, etc.).
-        ServiceProvider.GetRequiredService<SettingsPage>().DataContext = settings;
-
-        // Settings.DarkMode was previously a dead field: it round-
-        // tripped through the settings file and the SettingsPage
-        // CheckBox, but no consumer ever read it. Wire it here to
-        // Application.RequestedThemeVariant so the toggle takes
-        // effect immediately, and seed the initial theme from the
-        // value Load() just populated (so a dark-mode user lands on
-        // a dark window on first launch, not on a default-light
-        // window that flips after the user touches the toggle).
-        ApplyDarkMode(settings);
-        settings.PropertyChanged += (_, e) =>
-        {
-            if (e.PropertyName == nameof(Settings.DarkMode))
-            {
-                ApplyDarkMode(settings);
-            }
-        };
-
-
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
             desktop.MainWindow = CreateMainWindow();
         }
         else if (ApplicationLifetime is IActivityApplicationLifetime singleViewFactoryApplicationLifetime)
         {
-            singleViewFactoryApplicationLifetime.MainViewFactory = () => CreateMainWindow();
+            singleViewFactoryApplicationLifetime.MainViewFactory =
+                () => CreateMainWindow();
         }
         else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
         {
             singleViewPlatform.MainView = CreateMainWindow();
         }
+        ApplyDarkMode(settings);
         base.OnFrameworkInitializationCompleted();
     }
 
-    MainWindow window;
-    private MainWindow CreateMainWindow()
-    {
-        window = new MainWindow();
-        var api = ServiceProvider!.GetRequiredService<YavscApiClient>();
-        window.Opened += async (_, _) => await BootAsync(this.ServiceProvider!, api);
-          var sessionStatus = ServiceProvider!.GetRequiredService<SessionStatusViewModel>();
-        sessionStatus.LogoutCompleted += () =>
-        {
-            window.NavRoot.PopToRootAsync();
-        };
-
-        sessionStatus.LoginSucceeded += () =>
-        {
-            PushMainPageAsync();
-        };
-
-        var homeVm = ServiceProvider!.GetRequiredService<HomePageViewModel>();
-
-        this.PushPageAsync(homeVm).Wait();
-        window.SessionBanner.DataContext = sessionStatus;
-        return window;
-    }
-
-    /// <summary>
-    /// Build the DI container the app uses. Pulled out of
-    /// <see cref="OnFrameworkInitializationCompleted"/> so headless
-    /// tests can construct the same container at <c>TestApp</c> boot
-    /// without going through the full Avalonia desktop lifetime
-    /// (which never runs in a unit test). The container returned is
-    /// the exact one production uses — no test-only fakes, no
-    /// trimmed service list — so a test that exercises a VM, page,
-    /// or service resolves through the same wiring the real app
-    /// does, and a green test is a green contract for prod.
-    /// </summary>
     internal static IServiceProvider BuildServices(ServiceCollection services)
     {
         var settings = new Settings();
@@ -182,14 +110,13 @@ public partial class App : Application
         // ViewModels
         services.AddSingleton(settings);
         services.AddSingleton<YavscApiClient>(api);
-        services.AddSingleton<IYavscApiClient>(api);
         services.AddSingleton(client);
         services.AddSingleton(circleClient);
         services.AddSingleton(blogAclClient);
         services.AddSingleton(userSearchClient);
         services.AddSingleton<IContactService>(contactService);
         services.AddSingleton<IUserDirectory>(userDirectory);
-        services.AddTransient<MainPageViewModel>();
+        services.AddTransient<MainViewModel>();
         services.AddTransient<HomePageViewModel>();
         services.AddTransient<SignaturePageViewModel>();
         services.AddTransient<CirclesPageViewModel>();
@@ -204,21 +131,30 @@ public partial class App : Application
         return services.BuildServiceProvider();
     }
 
-    /// <summary>
+    private MainWindow CreateMainWindow()
-    /// Attach a pre-built DI container to this <see cref="App"/>
-    /// instance. Used by headless tests after
-    /// <see cref="BuildServices"/>; in production this happens
-    /// implicitly via <see cref="OnFrameworkInitializationCompleted"/>.
-    /// Idempotent w.r.t. <see cref="Settings.BindToServiceProvider"/>:
-    /// re-binding from a second App boot is a no-op.
-    /// </summary>
-    internal void AttachServiceProvider(IServiceProvider sp)
     {
-        ServiceProvider = sp;
+        window = new MainWindow();
-        Settings.BindToServiceProvider(sp);
+        var api = ServiceProvider!.GetRequiredService<YavscApiClient>();
+        window.Opened += async (_, _) => await BootAsync(this.ServiceProvider!, api);
+          var sessionStatus = ServiceProvider!.GetRequiredService<SessionStatusViewModel>();
+        sessionStatus.LogoutCompleted += () =>
+        {
+            window.NavRoot.PopToRootAsync();
+        };
+
+        sessionStatus.LoginSucceeded += () =>
+        {
+            PushMainPageAsync();
+        };
+
+        var homeVm = ServiceProvider!.GetRequiredService<HomePageViewModel>();
+
+        this.PushPageAsync(homeVm).Wait();
+        window.SessionBanner.DataContext = sessionStatus;
+        return window;
     }
 
-    /// <summary>
+/// <summary>
     /// Test-only hook: bind a concrete <see cref="MainWindow"/> so
     /// command-driven navigation paths (<see cref="PushPage"/>) can
     /// push onto a real <see cref="NavigationPage"/> in headless
@@ -266,7 +202,7 @@ public partial class App : Application
     public static Task PushMainPageAsync()
     {
         var app = (App)Current!;
-        var mainVm = app.ServiceProvider!.GetRequiredService<MainPageViewModel>();
+        var mainVm = app.ServiceProvider!.GetRequiredService<MainViewModel>();
         return app.PushPageAsync(mainVm);
     }
 

src/PostIt/PostIt/PostIt.csproj

@@ -1,32 +1,14 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
     <LangVersion>latest</LangVersion>
-    <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
-    <AssemblyVersion>1.1.0.0</AssemblyVersion>
-    <FileVersion>1.1.0.0</FileVersion>
-    <InformationalVersion>1.1.0-beta.1+1.Branch.release-1.0.8-rc1.Sha.1167169aa89e1bf25290e9a152d27b357a500ab3</InformationalVersion>
-    <Version>1.1.0-beta.1</Version>
   </PropertyGroup>
+
   <ItemGroup>
     <AvaloniaResource Include="Assets\**" />
   </ItemGroup>
-  <ItemGroup>
+
-    <PackageReference Include="Avalonia" />
-    <PackageReference Include="Avalonia.Themes.Fluent" />
-    <PackageReference Include="Avalonia.Fonts.Inter" />
-    <PackageReference Include="Avalonia.AvaloniaEdit" />
-    <PackageReference Include="AvaloniaUI.DiagnosticsSupport">
-      <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
-      <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="CommunityToolkit.Mvvm" />
-    <PackageReference Include="IdentityModel.OidcClient" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
-    <ProjectReference Include="../../Yavsc.Abstract/Yavsc.Abstract.csproj" />
-    <ProjectReference Include="../../Yavsc.Api.Client/Yavsc.Api.Client.csproj" />
-  </ItemGroup>
   <ItemGroup>
     <Content Include="postit-settings.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
@@ -38,6 +20,21 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" />
+    <PackageReference Include="Avalonia" />
+    <PackageReference Include="Avalonia.Themes.Fluent" />
+    <PackageReference Include="Avalonia.Fonts.Inter" />
+    <PackageReference Include="AvaloniaUI.DiagnosticsSupport">
+      <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
+      <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="CommunityToolkit.Mvvm" />
+    <PackageReference Include="Avalonia.AvaloniaEdit" />
+    <PackageReference Include="IdentityModel.OidcClient" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../../Yavsc.Abstract/Yavsc.Abstract.csproj" />
+    <ProjectReference Include="../../Yavsc.Api.Client/Yavsc.Api.Client.csproj" />
   </ItemGroup>
 </Project>

src/PostIt/PostIt/ViewLocator.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Avalonia.Controls;
 using Avalonia.Controls.Templates;
 using Microsoft.Extensions.DependencyInjection;
@@ -10,7 +11,9 @@ namespace PostIt;
 /// <summary>
 /// Given a view model, returns the corresponding view if possible.
 /// </summary>
-
+[RequiresUnreferencedCode(
+    "Default implementation of ViewLocator involves reflection which may be trimmed away.",
+    Url = "https://docs.avaloniaui.net/docs/concepts/view-locator")]
 public class ViewLocator : IDataTemplate
 {
     private readonly IServiceProvider _services;
@@ -32,11 +35,12 @@ public class ViewLocator : IDataTemplate
         }
     }
 
+
     private Control BuildCore(object? data)
     {
         return data switch
         {
-            MainPageViewModel => _services.GetRequiredService<MainPage>(),
+            MainViewModel => _services.GetRequiredService<MainPage>(),
             Settings => _services.GetRequiredService<SettingsPage>(),
             HomePageViewModel => _services.GetRequiredService<HomePage>(),
             SignaturePageViewModel => _services.GetRequiredService<SignaturePage>(),

src/PostIt/PostIt/ViewModels/MainViewModel.cs

@@ -11,7 +11,7 @@ using Yavsc.Api.Client;
 
 namespace PostIt.ViewModels;
 
-public partial class MainPageViewModel : ViewModelBase
+public partial class MainViewModel : ViewModelBase
 {
     /// <summary>Window/tab title. Cosmetic — bound by
     /// <c>MainPage.axaml</c> if at all. Not the post title.</summary>
@@ -120,7 +120,7 @@ public partial class MainPageViewModel : ViewModelBase
     }
 
 
-    public MainPageViewModel()
+    public MainViewModel()
     {
         SettingsModel = new Settings();
         Init(SettingsModel);
@@ -170,7 +170,7 @@ public partial class MainPageViewModel : ViewModelBase
     /// <see cref="BlogApiClient"/>. Production code uses the
     /// (Settings, BlogApiClient) overload below.
     /// </summary>
-    public MainPageViewModel(BlogApiClient blogClient, Settings? settings = null, IServiceProvider? services = null)
+    public MainViewModel(BlogApiClient blogClient, Settings? settings = null, IServiceProvider? services = null)
     {
         SettingsModel = new Settings();
         BlogClient = blogClient ?? throw new ArgumentNullException(nameof(blogClient)); ;

src/PostIt/PostIt/ViewModels/Settings.cs

@@ -64,24 +64,6 @@ public partial class Settings : ViewModelBase
             null);
     }
 
-    /// <summary>
-    /// Returns the canonical Settings instance previously bound through
-    /// <see cref="BindToServiceProvider"/>, or <c>null</c> when called
-    /// outside a running Avalonia application (tests, CLI tools).
-    /// </summary>
-    public static Settings? GetCurrent() => Volatile.Read(ref s_current);
-
-    /// <summary>
-    /// Resolve the canonical Settings instance or throw. Use this in
-    /// production code paths that must not silently fall back to a
-    /// freshly-constructed <see cref="Settings"/> (which used to be
-    /// the root cause of the postit://callback crash: two Settings
-    /// instances racing on PropertyChanged from different threads).
-    /// </summary>
-    public static Settings RequireCurrent() =>
-        GetCurrent() ?? throw new InvalidOperationException(
-            "Settings.Current is not bound. Call App.OnFrameworkInitializationCompleted first.");
-
     [ObservableProperty]
     public partial AuthenticationSettings Authentication { get; set; } = new();
 

src/PostIt/PostIt/ViewModels/ViewModelBase.cs

@@ -4,7 +4,6 @@ namespace PostIt.ViewModels;
 
 public abstract partial class ViewModelBase : ObservableObject
 {
-
      /// <summary>
     /// Gets if the user can navigate to the next page
     /// </summary>

src/PostIt/PostIt/Views/MainPage.axaml

@@ -8,11 +8,11 @@
              xmlns:AvaloniaEdit="clr-namespace:AvaloniaEdit;assembly=AvaloniaEdit"
              mc:Ignorable="d"
              x:Class="PostIt.Views.MainPage"
-             x:DataType="vm:MainPageViewModel"
+             x:DataType="vm:MainViewModel"
              HorizontalAlignment="Stretch"
              VerticalAlignment="Stretch">
     <Design.DataContext>
-        <vm:MainPageViewModel />
+        <vm:MainViewModel />
     </Design.DataContext>
 
     <Grid Margin="12" RowSpacing="12"

src/PostIt/PostIt/Views/MainWindow.axaml

@@ -1,27 +1,17 @@
 <Window xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:vm="using:PostIt.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:views="using:PostIt.Views"
-        x:DataType="vm:MainPageViewModel"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="PostIt.Views.MainWindow"
-        >
+        Icon="/Assets/avalonia-logo.ico"
+        Title="PostIt" >
 
-    <!--
-        Root layout: persistent session banner on top, navigation
-        surface below. The banner is the single source of truth for
-        "Connecté / Déconnecté" and the logout button — visible on
-        every page (HomePage, MainPage) so the user never has to dig
-        through a menu to find their session state.
-
-        The navigation stack is built programmatically in
-        App.OnFrameworkInitializationCompleted: HomePage is the
-        root, MainPage is pushed on top when the silent refresh
-        succeeds at boot or after a fresh login from HomePage.
-    -->
         <DockPanel LastChildFill="True">
         <views:SessionStatusBanner x:Name="SessionBanner"
                                    DockPanel.Dock="Bottom"/>
         <NavigationPage x:Name="NavRoot"/>
     </DockPanel>
-
 </Window>