fix Seeder, QR-Copde Copy Clipboard

src/Koogle.Infrastructure/Data/DemoSeeder.cs

@@ -179,6 +179,7 @@ public static class DemoSeeder
     {
         // Order matters due to FK constraints - delete children first
         await db.Database.ExecuteSqlAsync($"DELETE FROM app.PersonExpenses WHERE ClubId = {clubId}");
+        await db.Database.ExecuteSqlAsync($"DELETE FROM app.PlayerGameStatistics WHERE ClubId = {clubId}");
         await db.Database.ExecuteSqlAsync($"DELETE FROM app.GamePersons WHERE ClubId = {clubId}");
         await db.Database.ExecuteSqlAsync($"DELETE FROM app.Games WHERE ClubId = {clubId}");
         await db.Database.ExecuteSqlAsync($"DELETE FROM app.DayPersons WHERE ClubId = {clubId}");

src/Koogle.Infrastructure/Services/DemoResetService.cs

@@ -51,10 +51,10 @@ public class DemoResetService : IDemoResetService
         var demoEnabled = _config.GetValue<bool>("Bootstrap:Demo:Enabled");
         if (!demoEnabled) return null;
 
-        var demoClubName = _config["Bootstrap:Demo:ClubName"] ?? "demo";
+        var demoClubName = _config["Bootstrap:Demo:ClubName"] ?? "Demo Club";
         var club = _db.Clubs
             .AsNoTracking()
-            .FirstOrDefault(c => c.LoginName == demoClubName && !c.IsDeleted);
+            .FirstOrDefault(c => c.Name == demoClubName && !c.IsDeleted);
 
         _demoClubId = club?.Id;
         return _demoClubId;

src/Koogle.Web/Components/Pages/Admin/GifQrCodeDialog.razor

@@ -2,6 +2,7 @@
 @using QRCoder
 
 @inject NavigationManager Navigation
+@inject IJSRuntime JSRuntime
 
 <MudDialog>
     <TitleContent>
@@ -68,10 +69,17 @@
         _qrCodeDataUrl = $"data:image/png;base64,{Convert.ToBase64String(qrCodeBytes)}";
     }
 
-    private void CopyToClipboard()
+    private async Task CopyToClipboard()
     {
-        // Note: Full clipboard support requires JS interop
+        try
-        Snackbar.Add("Link in Zwischenablage kopiert (manuelle Kopie erforderlich)", Severity.Info);
+        {
+            await JSRuntime.InvokeVoidAsync("navigator.clipboard.writeText", _fullUrl);
+            Snackbar.Add("Link in Zwischenablage kopiert (manuelle Kopie erforderlich)", Severity.Success);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"Failed to copy to clipboard: {ex.Message}", Severity.Error);
+        }
     }
 
     private void Close() => MudDialog.Close();