Black market: useful goods only, player selling with price-dependent speed and taint

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

src/Decentralized.Domain/BmOrders.cs

@@ -59,6 +59,7 @@ namespace Decentralized.Domain
     {
         public string Kind;   // ready / scam_refund / scam_loss / rug / intercept / reopen
         public BmOrder Order;
+        public BmSale Sale;
         public double Amount;
     }
 
@@ -84,7 +85,7 @@ namespace Decentralized.Domain
         public bool Closed(int day) => day <= ClosedUntil;
 
         /// <summary>托管中和已提前放款但尚未交付的资金（信用点），平台跑路的概率随它增加。</summary>
-        public double Held => Orders.Where(o => o.State == OrderState.Pending).Sum(o => (double)o.Price);
+        public double Held => Orders.Where(o => o.State == OrderState.Pending).Sum(o => (double)o.Price) + HeldSales;
 
         public static int OrderPrice(long baseValue, GoodKind k = GoodKind.Contraband) => (int)Math.Max(1, Math.Round(baseValue * (1 + Extra(k)) * (1 - Tuning.BmOrderDiscount)));
         public static int EscrowFee(int price) => (int)Math.Ceiling(price * Tuning.BmEscrowFee);
@@ -151,18 +152,23 @@ namespace Decentralized.Domain
         }
 
         /// <summary>每晚推进订单：平台跑路、到期的订单（卖家跑路、被截获、死投被挖走）、转入可取状态。镇压期间到期顺延一天。</summary>
-        public List<BmEvent> Night(int day, bool crackdown, Wallet w, Rng rng, int secRep = 0)
+        public List<BmEvent> Night(int day, bool crackdown, Wallet w, Rng rng, int secRep = 0, Func<string, double> price = null)
         {
             var ev = new List<BmEvent>();
             if (!Honeypot(day) && rng.Chance(HoneypotChance(secRep))) { HoneypotUntil = day + Tuning.BmHoneypotDays; if (!Forum.Contains("easy")) Forum.Add("easy"); }
             if (ClosedUntil == day) ev.Add(new BmEvent { Kind = "reopen" });
-            if (!Closed(day) && Orders.Any(o => o.State == OrderState.Pending) && rng.Chance(RugChance))
+            if (!Closed(day) && (Orders.Any(o => o.State == OrderState.Pending) || Sales.Any(x => x.State == SaleState.Listed || x.State == SaleState.Sold)) && rng.Chance(RugChance))
             {
                 foreach (var o in Orders.Where(o => o.State == OrderState.Pending))
                 {
                     o.State = OrderState.Lost; o.Why = "rug";
                     ev.Add(new BmEvent { Kind = "rug", Order = o, Amount = o.Price });
                 }
+                foreach (var sl in Sales.Where(x => x.State == SaleState.Listed || x.State == SaleState.Sold))
+                {
+                    ev.Add(new BmEvent { Kind = "sale_rug", Sale = sl, Amount = sl.State == SaleState.Sold ? sl.Proceeds : sl.ListPrice });
+                    sl.State = SaleState.Lost; sl.Why = "rug";
+                }
                 ClosedUntil = day + Tuning.BmRugClosedDays;
                 Offers.Clear(); Catalog.Clear(); Sellers.Clear();
                 return ev;
@@ -186,6 +192,7 @@ namespace Decentralized.Domain
                 o.State = OrderState.Ready;
                 ev.Add(new BmEvent { Kind = "ready", Order = o });
             }
+            if (price != null) SalesNight(day, crackdown, w, price, rng, ev);
             // 卖家落网：近期成交过的卖家各有小概率被抓，他们留存的订单记录之后会连累买家
             foreach (var name in Orders.Where(x => x.State == OrderState.Done && day - x.DueDay <= 14).Select(x => x.Seller).Distinct().ToList())
             {