Stage 4: black market orders, escrow, delivery, seller scams, platform rug

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

src/Decentralized/ModEntry.cs

@@ -17,6 +17,7 @@ namespace Decentralized
             DealerStock.Subscribe();
             UsedDealerClient.Subscribe();
             CoinCustomers.Subscribe();
+            BlackDelivery.Subscribe();
             GpuInspectView.Ensure();
             ModHook.OnGameLoadedLate += Session.Load;
             ModHook.OnNewGameStarted += OnNewGame;
@@ -30,6 +31,7 @@ namespace Decentralized
             DealerStock.Unsubscribe();
             UsedDealerClient.Unsubscribe();
             CoinCustomers.Unsubscribe();
+            BlackDelivery.Unsubscribe();
             GpuInspectView.Remove();
             ModHook.OnGameLoadedLate -= Session.Load;
             ModHook.OnNewGameStarted -= OnNewGame;