Brand: install folder uses uppercase PROSERVE v{version}

The product wordmark is rendered uppercase everywhere in the UI
(PROSERVE in Pirulen). Align the install directory naming so it reads
"PROSERVE v1.4.7" instead of "Proserve v1.4.7" — same brand, same case
on disk and in dialog titles.

Changes:
- server/manifest/versions.json: installFolderTemplate updated for both
  existing entries.
- server/admin/versions.php: default template for new versions added
  via the backoffice form.
- src/PSLauncher.Models/RemoteManifest.cs: default fallback for the
  property when missing from JSON.
- src/PSLauncher.App/Views/MainWindow.xaml + dialogs + ViewModel
  toasts: UI strings now read "PROSERVE v..." consistent with the brand.

InstallationRegistry's regex was already RegexOptions.IgnoreCase, so
existing user installs in "Proserve v..." folders keep working
(case-insensitive on Windows filesystems anyway). Re-installing an
older version after the change re-creates the folder with the new
case — Windows is case-preserving but case-insensitive, so launching
remains identical.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

server/admin/versions.php

@@ -64,7 +64,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 'version'               => $version,
                 'releasedAt'            => $releasedAtIso,
                 'executable'            => 'PROSERVE_UE_5_5.exe',
-                'installFolderTemplate' => 'Proserve v{version}',
+                'installFolderTemplate' => 'PROSERVE v{version}',
                 'download'              => [
                     'url'       => "{$base}/builds/proserve-{$version}.zip",
                     'sizeBytes' => 0,

server/manifest/versions.json

@@ -9,7 +9,7 @@
       "version": "1.4.6",
       "releasedAt": "2026-04-29T10:00:00Z",
       "executable": "PROSERVE_UE_5_5.exe",
-      "installFolderTemplate": "Proserve v{version}",
+      "installFolderTemplate": "PROSERVE v{version}",
       "download": {
         "url": "https://asterionvr.com/PS_Launcher/builds/proserve-1.4.6.zip",
         "sizeBytes": 0,
@@ -23,7 +23,7 @@
       "version": "1.4.5",
       "releasedAt": "2026-04-15T10:00:00Z",
       "executable": "PROSERVE_UE_5_5.exe",
-      "installFolderTemplate": "Proserve v{version}",
+      "installFolderTemplate": "PROSERVE v{version}",
       "download": {
         "url": "https://asterionvr.com/PS_Launcher/builds/proserve-1.4.5.zip",
         "sizeBytes": 0,

src/PSLauncher.App/ViewModels/MainViewModel.cs

@@ -135,7 +135,7 @@ public sealed partial class MainViewModel : ObservableObject
     public string EmptyHint =>
         "Aucune version locale ni distante.\n" +
         "Clique « Vérifier les mises à jour » pour récupérer le catalogue depuis le serveur, " +
-        "ou place un dossier « Proserve v{X.Y.Z} » contenant PROSERVE_UE_5_5.exe dans :\n" +
+        "ou place un dossier « PROSERVE v{X.Y.Z} » contenant PROSERVE_UE_5_5.exe dans :\n" +
         _config.InstallRoot;
 
     public Visibility EmptyHintVisibility =>
@@ -439,7 +439,7 @@ public sealed partial class MainViewModel : ObservableObject
                 proc.EnableRaisingEvents = true;
                 proc.Exited += (_, _) =>
                 {
-                    _logger.LogInformation("Proserve v{Version} a quitté — restauration du launcher", row.Version);
+                    _logger.LogInformation("PROSERVE v{Version} a quitté — restauration du launcher", row.Version);
                     Application.Current?.Dispatcher.Invoke(() =>
                     {
                         if (Application.Current.MainWindow is { } main)
@@ -539,7 +539,7 @@ public sealed partial class MainViewModel : ObservableObject
             RebuildList();
             _toastService.ShowSuccess(
                 "Installation terminée",
-                $"Proserve v{row.Version} est prête à être lancée.");
+                $"PROSERVE v{row.Version} est prête à être lancée.");
         }
         catch (OperationCanceledException)
         {

src/PSLauncher.App/Views/MainWindow.xaml

@@ -371,7 +371,7 @@
 
                             <!-- Numéro version + badge -->
                             <StackPanel Grid.Row="1" Grid.Column="0" Orientation="Horizontal" VerticalAlignment="Center">
-                                <TextBlock Text="{Binding FeaturedVersion.Version, StringFormat='Proserve v{0}'}"
+                                <TextBlock Text="{Binding FeaturedVersion.Version, StringFormat='PROSERVE v{0}'}"
                                            FontSize="32" FontWeight="Bold"
                                            Foreground="{StaticResource Brush.Text.Primary}" />
                                 <Border CornerRadius="12" Padding="10,4" Margin="16,8,0,0"

src/PSLauncher.App/Views/UpdateAvailableDialog.xaml.cs

@@ -11,7 +11,7 @@ public partial class UpdateAvailableDialog : Window
 
         DataContext = new
         {
-            Title = $"Proserve v{version.Version} disponible",
+            Title = $"PROSERVE v{version.Version} disponible",
             Subtitle = $"Date de release : {version.ReleasedAt.ToLocalTime():dd MMMM yyyy} • {FormatSize(version.Download.SizeBytes)}",
             ReleaseNotesDocument = MarkdownTheming.BuildThemedDocument(releaseNotesMarkdown)
         };

src/PSLauncher.Core/Installations/InstallationRegistry.cs

@@ -8,7 +8,9 @@ public sealed partial class InstallationRegistry : IInstallationRegistry
 {
     private const string ExecutableName = "PROSERVE_UE_5_5.exe";
 
-    [GeneratedRegex(@"^Proserve v(?<v>\d+\.\d+\.\d+)$", RegexOptions.IgnoreCase)]
+    // IgnoreCase pour matcher à la fois les anciens dossiers "Proserve vX.Y.Z" et les
+    // nouveaux "PROSERVE vX.Y.Z" (changement de casse de la marque).
+    [GeneratedRegex(@"^PROSERVE v(?<v>\d+\.\d+\.\d+)$", RegexOptions.IgnoreCase)]
     private static partial Regex VersionFolderRegex();
 
     private readonly ILogger<InstallationRegistry> _logger;

src/PSLauncher.Models/RemoteManifest.cs

@@ -56,7 +56,7 @@ public sealed class VersionManifest
     public string Executable { get; set; } = "PROSERVE_UE_5_5.exe";
 
     [JsonPropertyName("installFolderTemplate")]
-    public string InstallFolderTemplate { get; set; } = "Proserve v{version}";
+    public string InstallFolderTemplate { get; set; } = "PROSERVE v{version}";
 
     [JsonPropertyName("download")]
     public DownloadDescriptor Download { get; set; } = new();