more reliable

.vscode/launch.json

@@ -4,6 +4,21 @@
     // Pour plus d'informations, visitez : https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+       {
+      "name": "Debug - Android",
+      "type": "mono",
+      "preLaunchTask": "run-debug-android",
+      "request": "attach",
+      "address": "localhost",
+      "port": 10000
+    },
+    {
+      "name": "Attach - Android",
+      "type": "mono",
+      "request": "attach",
+      "address": "localhost",
+      "port": 10000
+    },
         {
             "name": "API",
             "type": "dotnet",
@@ -33,12 +48,10 @@
             "name": "Test PostIt.Android launch (Xamarin.UITest)",
             "type": "coreclr",
             "request": "launch",
-            "program": "${workspaceFolder}/src/PostIt.Tests/bin/Debug/net10.0/PostIt.Tests.dll",
+            "program": "${workspaceFolder}/src/PostIt/PostIt.Tests/bin/Debug/net11.0/PostIt.Tests.dll",
             "args": [
-                "--filter-method",
-                "PostIt.Tests.AndroidAppLaunchTests.PostIt_starts_and_draws_a_first_frame_on_the_emulator"
             ],
-            "cwd": "${workspaceFolder}/src/PostIt.Tests",
+            "cwd": "${workspaceFolder}/src/PostIt/PostIt.Tests",
             "console": "integratedTerminal",
             "stopAtEntry": false
         }

.vscode/tasks.json

@@ -1,6 +1,29 @@
 {
   "version": "2.0.0",
   "tasks": [
+    {
+      "label": "run-debug-android",
+      "command": "dotnet",
+      "type": "shell",
+      "options": {
+        "cwd": "${workspaceFolder}/src/PostIt/PostIt.Android",
+        "env": {
+          "DOTNET_HOST_PATH": "/usr/share/dotnet",
+          "ANDROID_HOME": "/opt/android-sdk",
+          "JAVA_HOME": "/usr/lib/jvm/java-1.21.0-openjdk-amd64"
+        }
+      },
+      "args": [
+        "build"
+        "-t:run",
+        "-p:TargetFramework=net10.0-android",
+        "-p:Configuration=Debug",
+        "-p:AndroidAttachDebugger=true",
+        "-p:AndroidSdbHostPort=10000",
+        "-p:AndroidSdbTargetPort=10000"
+      ],
+      "problemMatcher": "$msCompile"
+    },
     {
       "label": "build",
       "command": "dotnet",

Makefile

@@ -163,7 +163,7 @@ POSTIT_RID ?= android-x64
 EMU_HEADLESS ?= 0
 LOGCAT_LINES ?= 200
 LOGCAT_FOLLOW ?= 0
-LOGCAT_BOOT_WAIT ?= 30
+LOGCAT_BOOT_WAIT ?= 15
 
 POSTIT_ANDROID_CSPROJ := src/PostIt/PostIt.Android/PostIt.Android.csproj
 POSTIT_APK_DIR := src/PostIt/PostIt.Android/bin/$(CONFIG)/net10.0-android/$(POSTIT_RID)
@@ -214,16 +214,17 @@ qemu-build:
 	    -p:RuntimeIdentifier=$(POSTIT_RID) \
 	    -p:EmbedAssembliesIntoApk=true \
 	    --nologo
-
-qemu-install: qemu-build
 	@if [ ! -f "$(POSTIT_APK)" ]; then \
 	    echo "  APK not found at $(POSTIT_APK)." >&2; \
 	    echo "  Files in $(POSTIT_APK_DIR):" >&2; \
 	    ls -la "$(POSTIT_APK_DIR)" 2>/dev/null || echo "  (directory does not exist)" >&2; \
 	    exit 1; \
 	fi
+
+
+qemu-install: qemu-build
 	@echo "  Installing $(POSTIT_APK) on $(ADB_SERIAL)..."
-	adb -s $(ADB_SERIAL) install -r "$(POSTIT_APK)"
+	adb -s $(ADB_SERIAL) install -r "$(POSTIT_APK)" -r
 
 qemu-uninstall:
 	adb -s $(ADB_SERIAL) uninstall fr.pschneider.PostIt

external/dotnet-android-build-image

@@ -1 +0,0 @@
-Subproject commit 0695a6c1fea6508f1a88f7ad0ad9cb93733aa52d

src/PostIt/Directory.Packages.props

@@ -1,20 +1,36 @@
 <Project>
   <!-- Pull in shared package versions from the repository root. -->
-  <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Packages.props', '$(MSBuildThisFileDirectory)../'))" />
+  <Import
+    Project="$([MSBuild]::GetPathOfFileAbove('Directory.Packages.props', '$(MSBuildThisFileDirectory)../'))" />
   <!-- PostIt-product-specific versions -->
-  <ItemGroup>
+  <ItemGroup>     <!-- Avalonia packages -->
+        <!-- Important: keep version in sync! -->
+        <PackageVersion Include="Avalonia" Version="12.1.1" />
+        <PackageVersion Include="Avalonia.Themes.Fluent" Version="12.1.1" />
+        <PackageVersion Include="Avalonia.Fonts.Inter" Version="12.1.1" />
+        <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" Version="12.1.1" />
+
     <PackageVersion Include="Avalonia.Headless" Version="12.1.1" />
     <PackageVersion Include="Avalonia.Headless.Xunit" Version="12.1.1" />
-    <PackageVersion Include="Avalonia.Android" Version="12.1.1" />
     <PackageVersion Include="Avalonia.AvaloniaEdit" Version="12.0.0" />
-    <PackageVersion Include="Avalonia.Browser" Version="12.1.1" />
-    <PackageVersion Include="Avalonia.Desktop" Version="12.1.1" />
-    <PackageVersion Include="Avalonia.Fonts.Inter" Version="12.1.1" />
-    <PackageVersion Include="Avalonia.Themes.Fluent" Version="12.1.1" />
-    <PackageVersion Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.3" />
-    <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.2" />
     <PackageVersion Include="Material.Avalonia" Version="3.19.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.11" />
     <PackageVersion Include="Microsoft.Maui.Essentials" Version="10.0.100" />

src/PostIt/PostIt.Android/MainActivity.cs

@@ -3,6 +3,9 @@ using Android.Content.PM;
 using Android.Content;
 using Avalonia.Android;
 using AndroidX.Emoji2.Text;
+using AndroidX.Core.Provider;
+using Android;
+using Android.Graphics;
 
 namespace PostIt.Android;
 
@@ -26,7 +29,6 @@ public class MainActivity : AvaloniaMainActivity
 
     protected override void OnCreate(global::Android.OS.Bundle? savedInstanceState)
     {
-        EmojiCompat.Init(this);
         base.OnCreate(savedInstanceState);
         PlatformBootstrap.EnsureInitialized();
         Current = this;

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

@@ -1,34 +1,28 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net11.0-android</TargetFramework>
+    <TargetFramework>net10.0-android</TargetFramework>
-    <!-- FORCE LES ARCHITECTURES ANDROID VALIDES -->
+    <SupportedOSPlatformVersion>23</SupportedOSPlatformVersion>
-    <RuntimeIdentifiers>android-arm64;android-x64</RuntimeIdentifiers>
-    <SupportedOSPlatformVersion>24.0.0</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ApplicationId>fr.pschneider.PostIt</ApplicationId>
     <ApplicationVersion>1</ApplicationVersion>
     <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
     <AndroidPackageFormat>apk</AndroidPackageFormat>
     <AndroidEnableProfiledAot>false</AndroidEnableProfiledAot>
-    <RuntimeIdentifiers Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">android-arm;android-arm64;android-x64</RuntimeIdentifiers>
-    <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>
     <AndroidResource Include="Icon.png">
       <Link>Resources\drawable\Icon.png</Link>
     </AndroidResource>
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="Avalonia.Android" />
-  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\PostIt\PostIt.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Maui.Essentials" />
+    <PackageReference Include="Avalonia.Android" />
+    <PackageReference Include="Xamarin.AndroidX.Core.SplashScreen" />
+    <PackageReference Include="Avalonia.Browser" />
+    <PackageReference Include="Xamarin.AndroidX.Browser" />
+    <PackageReference Include="IdentityModel.OidcClient" />
   </ItemGroup>
 </Project>

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

@@ -5,6 +5,7 @@
   </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:windowNoTitle">true</item>
   </style>

src/PostIt/PostIt.Android/Services/ContactService.Mobile.cs

@@ -1,84 +0,0 @@
-#if ANDROID || IOS
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.Maui.ApplicationModel.Communication;
-using Microsoft.Maui.ApplicationModel;
-using Microsoft.Maui.Devices;
-using PostIt.Services;
-using System.Linq;
-
-namespace PostIt.Android.Services;
-
-/// <summary>
-/// Mobile implementation backed by MAUI Essentials
-/// <c>Contacts.Default</c>.
-///
-/// <para>Compiled only for ANDROID and IOS. On desktop targets,
-/// see <c>ContactService.Desktop.cs</c> (the stub that wins at
-/// compile time).</para>
-///
-/// <para>Note: at runtime, this class throws
-/// <c>NotImplementedInReferenceAssemblyException</c> unless
-/// the host application project also references the
-/// platform-specific Microsoft.Maui.Essentials implementation
-/// (typically <c>PostIt.Android</c>). On iOS the same is
-/// required via <c>PostIt.iOS</c>. On desktop the stub is used
-/// and this file is excluded.</para>
-/// </summary>
-public sealed class ContactService : IContactService
-{
-    public async Task<IReadOnlyList<ContactDto>> GetDeviceContactsAsync(CancellationToken ct = default)
-    {
-        if (DeviceInfo.Current.Platform == DevicePlatform.Unknown)
-            return Array.Empty<ContactDto>();
-
-        try
-        {
-            var status = await Permissions.RequestAsync<Permissions.ContactsRead>();
-            if (status != PermissionStatus.Granted)
-                return Array.Empty<ContactDto>();
-
-            var contacts = await Contacts.Default.GetAllAsync();
-            if (contacts is null) return Array.Empty<ContactDto>();
-
-            // Carry the per-contact email list as-is. A real
-            // device contact can carry several addresses (home /
-            // work / other); the UI use case ("invite / add to a
-            // circle") can then decide which address to use, or
-            // let the user pick. The platform-neutral ContactDto
-            // shape is intentionally richer than the Yavsc
-            // directory's single-Email shape — the two flows
-            // answer different questions.
-            var result = new List<ContactDto>(contacts.Count());
-            foreach (var c in contacts)
-            {
-                var emails = ExtractEmails(c.Emails);
-                result.Add(new ContactDto(
-                    c.Id,
-                    c.DisplayName ?? string.Empty,
-                    emails));
-            }
-            return result;
-        }
-        catch (Exception ex)
-        {
-            System.Diagnostics.Debug.WriteLine($"ContactService: {ex.Message}");
-            return Array.Empty<ContactDto>();
-        }
-    }
-
-    private static IReadOnlyList<string> ExtractEmails(IEnumerable<ContactEmail>? emails)
-    {
-        if (emails is null) return Array.Empty<string>();
-        var list = new List<string>();
-        foreach (var e in emails)
-        {
-            if (!string.IsNullOrEmpty(e.EmailAddress))
-                list.Add(e.EmailAddress);
-        }
-        return list;
-    }
-}
-#endif

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

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.WebAssembly">
   <PropertyGroup>
-    <TargetFramework>net11.0-browser</TargetFramework>
+    <TargetFramework>net10.0-browser</TargetFramework>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Nullable>enable</Nullable>

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

@@ -3,7 +3,7 @@
     <OutputType>WinExe</OutputType>
     <!--If you are willing to use platform-specific APIs, use conditional compilation.
     See https://docs.avaloniaui.net/docs/guides/platforms/platform-specific-code/dotnet for more details.-->
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
     <AssemblyVersion>1.1.0.0</AssemblyVersion>
     <FileVersion>1.1.0.0</FileVersion>

src/PostIt/PostIt/App.axaml.cs

@@ -27,7 +27,7 @@ public partial class App : Application
     /// <c>DataValidationErrors.SetErrors</c>.
     /// </summary>
     public IServiceProvider? ServiceProvider { get; private set; }
-    private MainWindow window;
+
     public App()
     {
     }
@@ -35,6 +35,9 @@ public partial class App : Application
     public override void Initialize()
     {
         AvaloniaXamlLoader.Load(this);
+#if DEBUG
+        this.AttachDeveloperTools();
+#endif
     }
 
     public override void OnFrameworkInitializationCompleted()
@@ -52,8 +55,6 @@ public partial class App : Application
         this.ServiceProvider = BuildServices(new ServiceCollection());
         AttachServiceProvider(ServiceProvider);
         var settings = ServiceProvider.GetRequiredService<Settings>();
-        var sessionStatus = ServiceProvider.GetRequiredService<SessionStatusViewModel>();
-        var api = ServiceProvider.GetRequiredService<YavscApiClient>();
 
         DataTemplates.Clear();
         DataTemplates.Add(new ViewLocator(ServiceProvider));
@@ -85,47 +86,44 @@ public partial class App : Application
             }
         };
 
+
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
-            var homeVm = ServiceProvider.GetRequiredService<HomePageViewModel>();
+            desktop.MainWindow = CreateMainWindow();
-
-            window = new MainWindow();
-            window.SessionBanner.DataContext = sessionStatus;
-
-            // Build the navigation stack from scratch: HomePage is the
-            // root in both cases. App.BootAsync will push MainPage on
-            // top if the silent refresh succeeds.
-            desktop.MainWindow = window;
-            _ = PushPageAsync(homeVm);
-
-            // When the user logs out, route back to HomePage. We
-            // ReplaceAsync the current top so we don't grow the stack
-            // on every logout — otherwise repeated login/logout would
-            // eventually balloon the back history.
-            sessionStatus.LogoutCompleted += () =>
-            {
-                var w = (MainWindow)((IClassicDesktopStyleApplicationLifetime)ApplicationLifetime!).MainWindow!;
-                var nav = w.NavRoot;
-                _ = nav.PopToRootAsync();
-            };
-
-            // When the user signs in interactively (Login button on
-            // the session banner), push MainPage on top of HomePage.
-            sessionStatus.LoginSucceeded += () =>
-            {
-                var w = (MainWindow)((IClassicDesktopStyleApplicationLifetime)ApplicationLifetime!).MainWindow!;
-                _ = PushMainPageAsync();
-            };
-
-            window.Opened += async (_, _) => await BootAsync(this.ServiceProvider, api);
         }
-        else if (ApplicationLifetime is ISingleViewApplicationLifetime singleView)
+        else if (ApplicationLifetime is IActivityApplicationLifetime singleViewFactoryApplicationLifetime)
         {
-            singleView.MainView = new MainWindow
+            singleViewFactoryApplicationLifetime.MainViewFactory = () => CreateMainWindow();
-            {
-                DataContext = ServiceProvider.GetRequiredService<HomePageViewModel>()
-            };
         }
+        else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
+        {
+            singleViewPlatform.MainView = CreateMainWindow();
+        }
+        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>
@@ -156,7 +154,6 @@ public partial class App : Application
         var contactService = new ContactService();
         var userDirectory = new UserDirectory(userSearchClient);
 
-
         // Vues
         services.AddTransient<MainPage>();
         // SettingsPage is a singleton: there must be one and only one
@@ -268,8 +265,8 @@ public partial class App : Application
     /// </summary>
     public static Task PushMainPageAsync()
     {
-        var app = (App)Current;
+        var app = (App)Current!;
-        var mainVm = app.ServiceProvider.GetRequiredService<MainPageViewModel>();
+        var mainVm = app.ServiceProvider!.GetRequiredService<MainPageViewModel>();
         return app.PushPageAsync(mainVm);
     }
 
@@ -310,7 +307,7 @@ public partial class App : Application
         _ = PushPageAsync(vm);
     }
 
-    internal Task PushPageAsync(ViewModelBase vm)
+    internal async Task PushPageAsync(ViewModelBase vm)
     {
         if (window is null)
         {
@@ -344,10 +341,10 @@ public partial class App : Application
         var stack = window.NavRoot.NavigationStack;
         if (stack.Count > 0 && ReferenceEquals(stack[stack.Count - 1], page))
         {
-            return Task.CompletedTask;
+            return;
         }
 
-        return window.NavRoot.PushAsync(page);
+        await window.NavRoot.PushAsync(page);
     }
 
     internal async Task GoBackAsync()

src/PostIt/PostIt/PostIt.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
     <LangVersion>latest</LangVersion>
     <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>

src/PostIt/PostIt/Settings/AuthenticationSettings.cs

@@ -21,6 +21,9 @@ public partial class AuthenticationSettings : ObservableObject
     public static string DefaultAuthority { get; internal set; } = "https://yavsc.pschneider.fr";
 
     public static string DefaultClientId { get; internal set; } = "postit";
+
+    public static string[] DefaultScopes { get; set; } = { "blogs"} ;
+
     [ObservableProperty]
     public partial string Authority { get; set; }
 

src/PostIt/PostIt/ViewModels/MainPageViewModel.cs

@@ -122,8 +122,8 @@ public partial class MainPageViewModel : ViewModelBase
 
     public MainPageViewModel()
     {
-        Init(null);
         SettingsModel = new Settings();
+        Init(SettingsModel);
         BlogClient = null;
     }
 
@@ -135,6 +135,11 @@ public partial class MainPageViewModel : ViewModelBase
         SelectedPost = null;
         IsBusy = false;
         StatusMessage = "Ready";
+        Settings = settings ?? new Settings();
+        WindowTitle = "PostIt";
+        DraftTitle = string.Empty;
+        DraftArticle = string.Empty;
+        DraftIsPublished = false;
         // Production path: DI injects the canonical Settings singleton
         // and we use it as-is. Test path: tests call this constructor
         // without a Settings argument; we fall back to a fresh
@@ -145,11 +150,7 @@ public partial class MainPageViewModel : ViewModelBase
         // sink; that crash is fixed in Settings.OnPropertyChanged
         // (thread-safe dispatcher marshalling) so the duplicate
         // instance is now merely wasteful, not dangerous.
-        Settings = settings ?? new Settings();
+
-        WindowTitle = "PostIt";
-        DraftTitle = string.Empty;
-        DraftArticle = string.Empty;
-        DraftIsPublished = false;
     }
 
     /// <summary>Save is enabled as soon as the user has typed
@@ -174,7 +175,6 @@ public partial class MainPageViewModel : ViewModelBase
         SettingsModel = new Settings();
         BlogClient = blogClient ?? throw new ArgumentNullException(nameof(blogClient)); ;
         Services = services;
-
         Init(settings);
     }
 
@@ -210,7 +210,7 @@ public partial class MainPageViewModel : ViewModelBase
     {
         await ExecuteAsync(async () =>
         {
-            var posts = await BlogClient.GetPostsAsync();
+            var posts = await BlogClient!.GetPostsAsync();
             Posts.Clear();
             foreach (var post in posts.OrderByDescending(p => p.DateModified))
             {
@@ -259,7 +259,7 @@ public partial class MainPageViewModel : ViewModelBase
                     DateCreated = DateTime.UtcNow,
                     DateModified = DateTime.UtcNow,
                 };
-                var created = await BlogClient.CreatePostAsync(draft);
+                var created = await BlogClient!.CreatePostAsync(draft);
                 if (created is not null)
                 {
                     SelectedPost = created;
@@ -278,7 +278,7 @@ public partial class MainPageViewModel : ViewModelBase
                     DateCreated = SelectedPost.DateCreated,
                     DateModified = DateTime.UtcNow,
                 };
-                await BlogClient.UpdatePostAsync(SelectedPost.Id, update);
+                await BlogClient!.UpdatePostAsync(SelectedPost.Id, update);
                 StatusMessage = $"Saved post {SelectedPost.Id}.";
             }
 
@@ -297,7 +297,7 @@ public partial class MainPageViewModel : ViewModelBase
 
         await ExecuteAsync(async () =>
         {
-            await BlogClient.DeletePostAsync(SelectedPost.Id);
+            await BlogClient!.DeletePostAsync(SelectedPost.Id);
             StatusMessage = $"Deleted post {SelectedPost.Id}.";
             SelectedPost = null;
             await RefreshPostsAsync();
@@ -331,7 +331,7 @@ public partial class MainPageViewModel : ViewModelBase
         await ExecuteAsync(async () =>
         {
             var desired = !DraftIsPublished;
-            await BlogClient.SetPublishAsync(SelectedPost.Id, desired);
+            await BlogClient!.SetPublishAsync(SelectedPost.Id, desired);
             DraftIsPublished = desired;
             // Mirror into the selected post so a subsequent
             // RefreshPostsAsync() doesn't blow away the
@@ -372,7 +372,7 @@ public partial class MainPageViewModel : ViewModelBase
 
     private async Task RefreshPostsAsync()
     {
-        var posts = await BlogClient.GetPostsAsync();
+        var posts = await BlogClient!.GetPostsAsync();
         Posts.Clear();
         foreach (var post in posts.OrderByDescending(p => p.DateModified))
         {

src/PostIt/PostIt/ViewModels/Settings.cs

@@ -350,15 +350,14 @@ public partial class Settings : ViewModelBase
             var settings = JsonSerializer.Deserialize<Settings>(json);
             if (settings is null)
             {
-                Console.Error.WriteLine($"🩎 Settings payload is invalid (source: {source}).");
+                UseDefaultSettings();
-                return;
             }
             // Apply under the gate so concurrent Load() callers cannot
             // see half the new values / half the old ones. The actual
             // PropertyChanged fan-out is handled by [ObservableProperty]'s
             // setters which we route through SetProperty → OnPropertyChanged
             // → our overridden dispatcher-safe marshaller below.
-            lock (_mutationGate)
+            else lock (_mutationGate)
             {
                 this.Authentication = settings.Authentication;
                 this.DarkMode = settings.DarkMode;
@@ -371,6 +370,11 @@ public partial class Settings : ViewModelBase
                      AuthenticationSettings.DefaultClientId : settings.Authentication.ClientId;
                     this.Authentication.RedirectUri = string.IsNullOrWhiteSpace(settings.Authentication.RedirectUri) ?
                      AuthenticationSettings.DefaultDesktopRedirectUri : settings.Authentication.RedirectUri;
+                    if (settings.Authentication.Scopes is null || settings.Authentication.Scopes.Length == 0)
+                    {
+                        settings.Authentication.Scopes = AuthenticationSettings.DefaultScopes;
+                    }
+                    else
                     this.Authentication.Scopes = settings.Authentication.Scopes;
                 }
             }
@@ -400,6 +404,18 @@ public partial class Settings : ViewModelBase
         }
     }
 
+    private void UseDefaultSettings()
+    {
+        this.Authentication = new AuthenticationSettings
+        {
+            Authority = AuthenticationSettings.DefaultAuthority,
+            ClientId = AuthenticationSettings.DefaultClientId,
+            RedirectUri = AuthenticationSettings.DefaultDesktopRedirectUri,
+            Scopes = AuthenticationSettings.DefaultScopes
+        };
+        this.DarkMode = false;
+    }
+
     /// <summary>
     /// Persist the current in-memory state to
     /// <c>~/.config/PostIt/postit-settings.json</c> (Linux) /

src/Yavsc.Abstract/Yavsc.Abstract.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net11.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Description> A shared model for a little client/server app, dealing about establishing some contract, between some human client and provider.
     </Description>

src/Yavsc.Api.Client/Yavsc.Api.Client.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>Yavsc.Api.Client</RootNamespace>
     <AssemblyName>Yavsc.Api.Client</AssemblyName>

src/Yavsc.Api/Yavsc.Api.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>1c73094f-959f-4211-b1a1-6a69b236c283</UserSecretsId>
     <RootNamespace>Yavsc.Api</RootNamespace>

src/Yavsc.Blogs.Tests/Yavsc.Blogs.Tests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsPackable>false</IsPackable>

src/Yavsc.Blogs/Yavsc.Blogs.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>1c73094f-959f-4211-b1a1-6a69b236c283</UserSecretsId>
     <RootNamespace>Yavsc.Blogs</RootNamespace>

src/Yavsc.Org.Tests/Yavsc.Org.Tests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsPackable>false</IsPackable>

src/Yavsc.Org/Yavsc.Org.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <PackageLicenseExpression>WTFPL</PackageLicenseExpression>
     <UserSecretsId>76e56fc2-1619-40d8-8393-365258b7a21d</UserSecretsId>

src/Yavsc.Server/Yavsc.Server.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>53bd70e8-ff81-497a-847f-a15fd8ea7a09</UserSecretsId>
     <RootNamespace>Yavsc.Server</RootNamespace>

src/Yavsc.Tests.Shared/Yavsc.Tests.Shared.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsPackable>false</IsPackable>

src/cli/cli.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net11.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>Yavsc.cli</RootNamespace>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>