Fix oil leaking after joining: don't sync game-computed leak states/rates (LeakOilpan, LeakOilfilter, ...); vars <filter> diagnostic command

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Commands.cs

@@ -21,6 +21,7 @@ namespace MSCO
             "fps [on|off]           - show the frames per second (toggle)\n" +
             "/admin                 - admin menu (kick / ban / teleport / cheats)\n" +
             "vehicles | rig         - debug info about vehicles / player models\n" +
+            "vars <filter>          - synced vehicle values, e.g. vars oil (debug)\n" +
             "debug                  - toggle sync debug output\n" +
             "clear                  - clear this console";
 
@@ -129,6 +130,10 @@ namespace MSCO
                 case "vehicles":
                     foreach (string line in mp.DescribeVehicles()) print(line);
                     break;
+                case "vars":
+                    // Diagnose: welche Fahrzeugwerte synchronisiert werden (z.B. "vars oil")
+                    foreach (string line in mp.DescribeVehicleValues(args.Length > 1 ? args[1] : "")) print(line);
+                    break;
                 case "debug":
                     FsmSync.Debug = !FsmSync.Debug;
                     print("Sync debug output " + (FsmSync.Debug ? "ON" : "OFF"));