-

src/Apollinare.API/Program.cs

@@ -19,20 +19,23 @@ builder.Services.AddScoped<DemoDataService>();
 builder.Services.AddScoped<ReportGeneratorService>();
 builder.Services.AddSingleton<DataNotificationService>();
 
-// SignalR
-builder.Services.AddSignalR()
+// SignalR - with increased message size for template sync (default is 32KB)
+builder.Services.AddSignalR(options =>
+    {
+        options.MaximumReceiveMessageSize = 1024 * 1024; // 1MB max message size
+    })
     .AddJsonProtocol(options =>
     {
         options.PayloadSerializerOptions.ReferenceHandler = ReferenceHandler.IgnoreCycles;
         options.PayloadSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
     });
 
-// CORS - Allow credentials for SignalR
+// CORS - Allow credentials for SignalR (accepts any origin for external access)
 builder.Services.AddCors(options =>
 {
     options.AddPolicy("AllowFrontend", policy =>
     {
-        policy.SetIsOriginAllowed(origin => new Uri(origin).Host == "localhost")
+        policy.SetIsOriginAllowed(_ => true) // Permette qualsiasi origine
               .AllowAnyHeader()
               .AllowAnyMethod()
               .AllowCredentials();