feat: migration WinUI 3 — async ApiClient, MVVM, WebView2 console

.github/workflows/build.yml

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+name: Build WinUI 3
+
+on:
+  push:
+    branches: [ feature/winui3-migration ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup .NET 8
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.0.x'
+
+      - name: Copy assets from Resources/
+        shell: pwsh
+        run: .\scripts\copy-assets.ps1
+
+      - name: Restore NuGet packages
+        run: dotnet restore src/ProxmoxDesktop.sln
+
+      - name: Build (Release x64)
+        run: dotnet build src/ProxmoxDesktop.sln
+               --configuration Release
+               --no-restore
+               -p:Platform=x64

ProxmoxDesktop.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProxmoxDesktop.App", "src\ProxmoxDesktop.App\ProxmoxDesktop.App.csproj", "{A1B2C3D4-E5F6-7890-ABCD-EF1234567890}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProxmoxDesktop.Core", "src\ProxmoxDesktop.Core\ProxmoxDesktop.Core.csproj", "{B2C3D4E5-F6A7-8901-BCDE-F12345678901}"
+EndProject
+Global
+    GlobalSection(SolutionConfigurationPlatforms) = preSolution
+        Debug|x64 = Debug|x64
+        Release|x64 = Release|x64
+    EndGlobalSection
+    GlobalSection(ProjectConfigurationPlatforms) = postSolution
+        {A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Debug|x64.ActiveCfg = Debug|x64
+        {A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Debug|x64.Build.0 = Debug|x64
+        {A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Release|x64.ActiveCfg = Release|x64
+        {A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Release|x64.Build.0 = Release|x64
+        {B2C3D4E5-F6A7-8901-BCDE-F12345678901}.Debug|x64.ActiveCfg = Debug|x64
+        {B2C3D4E5-F6A7-8901-BCDE-F12345678901}.Debug|x64.Build.0 = Debug|x64
+        {B2C3D4E5-F6A7-8901-BCDE-F12345678901}.Release|x64.ActiveCfg = Release|x64
+        {B2C3D4E5-F6A7-8901-BCDE-F12345678901}.Release|x64.Build.0 = Release|x64
+    EndGlobalSection
+EndGlobal

scripts/copy-assets.ps1

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+# copy-assets.ps1
+# Copie les assets depuis Resources/ vers src/ProxmoxDesktop.App/Assets/
+#
+# Compatible PowerShell 5.1 et PowerShell 7+
+# Usage (toutes les formes fonctionnent) :
+#   .\scripts\copy-assets.ps1
+#   & '.\scripts\copy-assets.ps1'
+#   . '.\scripts\copy-assets.ps1'
+
+$ErrorActionPreference = "Stop"
+
+# Retrouver le dossier du script (robuste en appel direct ET dot-sourcing)
+$_scriptPath = if ($MyInvocation.MyCommand.Path) {
+    $MyInvocation.MyCommand.Path
+} elseif ($PSCommandPath) {
+    $PSCommandPath
+} else {
+    [IO.Path]::Combine((Get-Location).Path, 'scripts', 'copy-assets.ps1')
+}
+
+$_repoRoot  = [IO.Path]::GetFullPath([IO.Path]::Combine((Split-Path $_scriptPath), '..'))
+$SourceRoot = [IO.Path]::Combine($_repoRoot, 'Resources')
+$DestRoot   = [IO.Path]::Combine($_repoRoot, 'src', 'ProxmoxDesktop.App', 'Assets')
+
+Write-Host "Repo    : $_repoRoot"
+Write-Host "Source  : $SourceRoot"
+Write-Host "Dest    : $DestRoot"
+Write-Host ""
+
+if (-not (Test-Path $SourceRoot)) {
+    Write-Error "Dossier Resources introuvable : $SourceRoot`nVerifie que tu lances le script depuis la racine du repo."
+    return
+}
+
+New-Item -ItemType Directory -Force -Path $DestRoot | Out-Null
+
+$copies = @(
+    @{ Src = [IO.Path]::Combine('Icons', 'default.png');      Dst = 'proxmox.png' }
+    @{ Src = [IO.Path]::Combine('Icons', 'default-icon.ico'); Dst = 'app.ico'     }
+    @{ Src = 'vm_logo.png';                                   Dst = 'vm.png'      }
+    @{ Src = 'lxc_logo.png';                                  Dst = 'lxc.png'     }
+)
+
+$ok   = 0
+$warn = 0
+
+foreach ($item in $copies) {
+    $src = [IO.Path]::Combine($SourceRoot, $item.Src)
+    $dst = [IO.Path]::Combine($DestRoot,   $item.Dst)
+
+    if (-not (Test-Path $src)) {
+        Write-Warning "Source introuvable : $src"
+        $warn++
+        continue
+    }
+
+    Copy-Item -Path $src -Destination $dst -Force
+    Write-Host "[OK] $($item.Src) -> Assets/$($item.Dst)" -ForegroundColor Cyan
+    $ok++
+}
+
+Write-Host ""
+if ($warn -gt 0) {
+    Write-Warning "$warn fichier(s) manquant(s)."
+}
+if ($ok -gt 0) {
+    Write-Host "$ok asset(s) copies avec succes dans : $DestRoot" -ForegroundColor Green
+    Write-Host "Lance maintenant : dotnet build src/ProxmoxDesktop.sln"
+} else {
+    Write-Error "Aucun asset copie. Verifie que Resources/ est bien present a la racine du repo."
+}

scripts/copy-assets.sh

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+#!/usr/bin/env bash
+# copy-assets.sh
+# Equivalent bash de copy-assets.ps1 (pour WSL ou CI Linux).
+# Usage depuis la racine du repo :
+#   bash scripts/copy-assets.sh
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")"; pwd)"
+SOURCE_ROOT="$SCRIPT_DIR/../Resources"
+DEST_ROOT="$SCRIPT_DIR/../src/ProxmoxDesktop.App/Assets"
+
+mkdir -p "$DEST_ROOT"
+
+copy_asset() {
+  local src="$SOURCE_ROOT/$1"
+  local dst="$DEST_ROOT/$2"
+  if [ ! -f "$src" ]; then
+    echo "[WARN] Source introuvable : $src"
+    return
+  fi
+  cp "$src" "$dst"
+  echo "[OK] $1 -> Assets/$2"
+}
+
+copy_asset "Icons/default.png"     "proxmox.png"
+copy_asset "Icons/default-icon.ico" "app.ico"
+copy_asset "vm_logo.png"            "vm.png"
+copy_asset "lxc_logo.png"           "lxc.png"
+
+echo ""
+echo "Assets copiés avec succès dans : $DEST_ROOT"
+echo "Tu peux maintenant compiler avec : dotnet build src/ProxmoxDesktop.sln"

src/ProxmoxDesktop.App/App.xaml

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+<?xml version="1.0" encoding="utf-8"?>
+<Application
+    x:Class="ProxmoxDesktop.App.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

src/ProxmoxDesktop.App/App.xaml.cs

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+using Microsoft.UI.Xaml;
+using ProxmoxDesktop.App.Views;
+
+namespace ProxmoxDesktop.App;
+
+public partial class App : Application
+{
+    public static MainWindow? MainWindow { get; private set; }
+
+    public App() => InitializeComponent();
+
+    protected override void OnLaunched(LaunchActivatedEventArgs args)
+    {
+        MainWindow = new MainWindow();
+        MainWindow.Activate();
+    }
+}

src/ProxmoxDesktop.App/Assets/.gitkeep

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+# Place proxmox.png, vm.png, lxc.png in this folder.
+# Copy from the original WinForms project Resources/ folder.

src/ProxmoxDesktop.App/Assets/README.md

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+# Assets — ProxmoxDesktop.App
+
+Ce dossier contient les images utilisées par l'interface WinUI 3.
+Les fichiers binaires (PNG, ICO) ne sont **pas** commités dans Git
+pour éviter de dupliquer les ressources déjà présentes dans `/Resources/`.
+
+## Copier les assets
+
+Exécute **une seule fois** depuis la racine du repo :
+
+**Windows (PowerShell) :**
+```powershell
+.\scripts\copy-assets.ps1
+```
+
+**Linux / WSL (Bash) :**
+```bash
+bash scripts/copy-assets.sh
+```
+
+## Fichiers attendus
+
+| Fichier | Source originale | Rôle |
+|---|---|---|
+| `proxmox.png` | `Resources/Icons/default.png` | Logo Proxmox (header, splash) |
+| `vm.png` | `Resources/vm_logo.png` | Icône des VM QEMU sur les tiles |
+| `lxc.png` | `Resources/lxc_logo.png` | Icône des containers LXC sur les tiles |
+| `app.ico` | `Resources/Icons/default-icon.ico` | Icône de l'application (barre des tâches) |

src/ProxmoxDesktop.App/Controls/MachineCard.xaml

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+<?xml version="1.0" encoding="utf-8"?>
+<UserControl
+    x:Class="ProxmoxDesktop.App.Controls.MachineCard"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:models="using:ProxmoxDesktop.Core.Api.Models">
+
+    <Grid Width="175" Height="195" Padding="0"
+          CornerRadius="8"
+          Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+          BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+          BorderThickness="1">
+
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <!-- Badge de statut -->
+        <!-- Mode=OneTime : StatusBrush est une propriété calculée sans INotifyPropertyChanged.
+             La card est recréée à chaque refresh différentiel, ce qui force la réévaluation. -->
+        <Border HorizontalAlignment="Right" VerticalAlignment="Top"
+                Margin="0,8,8,0" CornerRadius="4" Padding="6,2"
+                Background="{x:Bind StatusBrush, Mode=OneTime}">
+            <TextBlock Text="{x:Bind Machine.Status, Mode=OneWay}"
+                       FontSize="10" Foreground="White"
+                       CharacterSpacing="75" FontWeight="SemiBold"/>
+        </Border>
+
+        <!-- Node name -->
+        <Border HorizontalAlignment="Left" VerticalAlignment="Top"
+                Margin="8,8,0,0" CornerRadius="4" Padding="6,2"
+                Background="{ThemeResource SystemFillColorNeutralBackground}">
+            <TextBlock Text="{x:Bind Machine.NodeName, Mode=OneWay}"
+                       FontSize="10"
+                       Foreground="{ThemeResource TextFillColorSecondaryBrush}"/>
+        </Border>
+
+        <!-- Icône VM/LXC centrée -->
+        <!-- Mode=OneTime : MachineIcon (qemu/lxc) ne change pas après création -->
+        <Image Grid.Row="0"
+               Source="{x:Bind MachineIcon, Mode=OneTime}"
+               Width="72" Height="72"
+               HorizontalAlignment="Center" VerticalAlignment="Center"
+               Margin="0,16,0,0"/>
+
+        <!-- Barres CPU / RAM -->
+        <StackPanel Grid.Row="0" VerticalAlignment="Bottom"
+                    Padding="10,0,10,4" Spacing="4">
+            <Grid ColumnDefinitions="Auto,*">
+                <TextBlock Grid.Column="0" Text="CPU" FontSize="10" Width="28"
+                           Foreground="{ThemeResource TextFillColorSecondaryBrush}"/>
+                <ProgressBar Grid.Column="1" Value="{x:Bind Machine.CpuPercent, Mode=OneWay}"
+                             Maximum="100" Height="4"/>
+            </Grid>
+            <Grid ColumnDefinitions="Auto,*">
+                <TextBlock Grid.Column="0" Text="RAM" FontSize="10" Width="28"
+                           Foreground="{ThemeResource TextFillColorSecondaryBrush}"/>
+                <ProgressBar Grid.Column="1" Value="{x:Bind Machine.MemPercent, Mode=OneWay}"
+                             Maximum="100" Height="4"/>
+            </Grid>
+        </StackPanel>
+
+        <!-- Nom + VMID -->
+        <StackPanel Grid.Row="1" Padding="10,6,10,10" Spacing="2">
+            <TextBlock Text="{x:Bind Machine.Name, Mode=OneWay}"
+                       FontWeight="SemiBold" FontSize="13"
+                       TextTrimming="CharacterEllipsis"/>
+            <TextBlock Text="{x:Bind Machine.Vmid, Mode=OneWay}"
+                       FontSize="11"
+                       Foreground="{ThemeResource TextFillColorSecondaryBrush}"/>
+        </StackPanel>
+
+        <!-- Menu contextuel (clic droit ou bouton …) -->
+        <Grid.ContextFlyout>
+            <MenuFlyout>
+                <MenuFlyoutItem Text="NoVNC"
+                                Command="{x:Bind OpenNoVncCommand}"
+                                IsEnabled="{x:Bind Machine.IsRunning, Mode=OneWay}">
+                    <MenuFlyoutItem.Icon><FontIcon Glyph="&#xE8A7;"/></MenuFlyoutItem.Icon>
+                </MenuFlyoutItem>
+                <MenuFlyoutItem Text="xTermJS"
+                                Command="{x:Bind OpenXtermCommand}"
+                                IsEnabled="{x:Bind CanOpenXterm, Mode=OneWay}">
+                    <MenuFlyoutItem.Icon><FontIcon Glyph="&#xE756;"/></MenuFlyoutItem.Icon>
+                </MenuFlyoutItem>
+                <MenuFlyoutItem Text="SPICE"
+                                Command="{x:Bind OpenSpiceCommand}"
+                                IsEnabled="{x:Bind Machine.IsRunning, Mode=OneWay}">
+                    <MenuFlyoutItem.Icon><FontIcon Glyph="&#xE7F4;"/></MenuFlyoutItem.Icon>
+                </MenuFlyoutItem>
+                <MenuFlyoutSeparator/>
+                <MenuFlyoutSubItem Text="Alimentation">
+                    <MenuFlyoutItem Text="Démarrer" Command="{x:Bind StartCommand}"
+                                   IsEnabled="{x:Bind CanStart, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Arrêter" Command="{x:Bind ShutdownCommand}"
+                                   IsEnabled="{x:Bind Machine.IsRunning, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Redémarrer" Command="{x:Bind RebootCommand}"
+                                   IsEnabled="{x:Bind Machine.IsRunning, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Suspendre" Command="{x:Bind SuspendCommand}"
+                                   IsEnabled="{x:Bind CanSuspend, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Reprendre" Command="{x:Bind ResumeCommand}"
+                                   IsEnabled="{x:Bind CanResume, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Hiberner" Command="{x:Bind HibernateCommand}"
+                                   IsEnabled="{x:Bind CanSuspend, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Stop forcé" Command="{x:Bind StopCommand}"
+                                   IsEnabled="{x:Bind Machine.IsRunning, Mode=OneWay}"/>
+                    <MenuFlyoutItem Text="Reset" Command="{x:Bind ResetCommand}"
+                                   IsEnabled="{x:Bind CanReset, Mode=OneWay}"/>
+                </MenuFlyoutSubItem>
+            </MenuFlyout>
+        </Grid.ContextFlyout>
+    </Grid>
+</UserControl>