Black market: elite shop for expensive goods, private sellers, weekly catalog value ~20k

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

tests/Decentralized.Domain.Tests/Program.cs

@@ -591,7 +591,7 @@ internal static class Program
             Func<string, long> value = id => 200;
             var bm = new BlackMarket();
             bm.RefreshOrders(10, 75, new Rng(5), value);
-            Check(bm.Sellers.Count >= Tuning.BmMerchantCount && bm.Catalog.Count > 0 && bm.Catalog.All(l => l.Qty > 0 && l.Price >= 1) && bm.Catalog.Where(l => l.Kind != GoodKind.Gpu).All(l => l.Price >= 200 * bm.Sellers[l.Seller].Factor * 0.97 - 1 && l.Price <= 200 * bm.Sellers[l.Seller].Factor * 1.03 + 1), "目录：商家与单价（基础价 × 商家系数）");
+            Check(bm.Sellers.Count >= Tuning.BmMerchantCount && bm.Catalog.Count > 0 && bm.Catalog.All(l => l.Qty > 0 && l.Price >= 1) && bm.Catalog.Where(l => l.Kind != GoodKind.Gpu && bm.Sellers[l.Seller].Type != MerchantType.Personal).All(l => l.Price >= 200 * bm.Sellers[l.Seller].Factor * 0.97 - 1 && l.Price <= 200 * bm.Sellers[l.Seller].Factor * 1.03 + 1), "目录：商家与单价（基础价 × 商家系数）");
             Check(BlackMarket.Pay(170, PayMode.Escrow) == 170 + 9 && BlackMarket.Pay(170, PayMode.Advance) == 153 && BlackMarket.OrderTotal(100, 5) == 475 && BlackMarket.OrderTotal(100, 10) == 900 && BlackMarket.OrderTotal(100, 4) == 400, "托管多付 5%，提前放款打九折");
             var good = new BmSeller { Name = "g", Trades = 100, Rating = 95 };
             var bad = new BmSeller { Name = "b", Trades = 100, Rating = 95, Scam = true };
@@ -733,11 +733,11 @@ internal static class Program
                 sum += bm.CatalogValue;
                 if (bm.Sellers.Any(x => x.Type == MerchantType.Bulk)) bulk++;
                 foreach (var s in bm.Sellers) types.Add(s.Type);
-                if (bm.Sellers.Where(x => x.Type != MerchantType.Bulk).Select(x => x.Type).Distinct().Count() != bm.Sellers.Count(x => x.Type != MerchantType.Bulk)) throw new Exception("同类型商家重复");
+                if (bm.Sellers.Where(x => x.Type != MerchantType.Bulk && x.Type != MerchantType.Personal).Select(x => x.Type).Distinct().Count() != bm.Sellers.Count(x => x.Type != MerchantType.Bulk && x.Type != MerchantType.Personal)) throw new Exception("同类型商家重复");
             }
             double avg = sum / n;
             Check(avg > 8000 && avg < 40000, $"每周货架总值（游戏里实测平均约 1.4 万，这里用统一基础价 250）：平均 {avg:0}");
-            Check(bulk > n * 0.15 && bulk < n * 0.35 && types.Count >= 18, $"大宗商家约 {Tuning.BmBulkChance:P0} 的周出现：{bulk}/{n}；七种类型都出现过");
+            Check(bulk > n * 0.15 && bulk < n * 0.35 && types.Count >= 20, $"大宗商家约 {Tuning.BmBulkChance:P0} 的周出现：{bulk}/{n}；七种类型都出现过");
             // 批量下单：折扣、库存扣减
             Func<string, double> price = a => 1;
             var m = new BlackMarket(); m.Sellers.Add(new BmSeller { Name = "a", Trades = 100, Type = MerchantType.Modules, Factor = 0.8 });
@@ -756,6 +756,24 @@ internal static class Program
             Check(Near(v0, 0, 1e-9) && Near(b2.VolumeTaint(10), Tuning.BmVolumeTaintMax, 1e-9) && b2.VolumeTaint(30) == 0, "近 7 天成交额推高污点，过期不算");
         });
 
+        Test("尖端店铺与个人卖家", () =>
+        {
+            int elite = 0, n = 400, personalListings = 0; double lo = 9, hi = 0;
+            for (int i = 0; i < n; i++)
+            {
+                var bm = new BlackMarket();
+                bm.RefreshOrders(20, 75, new Rng((ulong)i + 77), id => id == "hypertech_bay" || id == "turbo_booster_hypertech" ? 10000 : id == "mind_reprogrammer" ? 5000 : 200);
+                if (bm.Sellers.Any(x => x.Type == MerchantType.Elite)) elite++;
+                if (bm.Sellers.Count(x => x.Type == MerchantType.Personal) != Tuning.BmPersonalCount) throw new Exception("个人卖家数不对");
+                foreach (var l in bm.Catalog.Where(x => bm.Sellers[x.Seller].Type == MerchantType.Elite))
+                    if (l.Kind != GoodKind.Gpu && l.Price < Tuning.BmEliteMinValue * Tuning.BmFactorEliteMin * 0.97 - 1) throw new Exception("尖端店铺卖了便宜货：" + l.Item + " " + l.Price);
+                foreach (var l in bm.Catalog.Where(x => bm.Sellers[x.Seller].Type == MerchantType.Personal && x.Kind == GoodKind.Contraband)) { personalListings++; double f = l.Price / 200.0; lo = Math.Min(lo, f); hi = Math.Max(hi, f); }
+                foreach (var s in bm.Sellers.Where(x => x.Type == MerchantType.Personal)) if (s.Advance) throw new Exception("个人卖家不该接受提前放款");
+            }
+            Check(elite > n * 0.08 && elite < n * 0.25, $"尖端店铺约 {Tuning.BmEliteChance:P0} 的周出现：{elite}/{n}");
+            Check(personalListings > 100 && lo < 0.65 && hi > 1.05, $"个人卖家每件价格系数分散：{lo:0.00}–{hi:0.00}");
+        });
+
         Console.WriteLine($"\n{_passed} 通过，{_failed} 失败");
         return _failed == 0 ? 0 : 1;
     }