Black market: 18 merchant types from the game's items and player professions

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

src/Decentralized/CoinCustomers.cs

@@ -69,6 +69,10 @@ namespace Decentralized
                     BlackDelivery.Restock(d, day, true);
                     vals.Add(d.Black.CatalogValue);
                 }
+                var missing = Merchants.Table.SelectMany(kv => kv.Value.Select(e => (kv.Key, e.Id))).Where(x => BlackDelivery.Value(x.Item2) <= 0).Select(x => x.Item1 + ":" + x.Item2).ToList();
+                var costs = Merchants.Table.SelectMany(kv => kv.Value.Select(e => (kv.Key, e.Id))).Select(x => BlackDelivery.Value(x.Item2)).Where(v => v > 0).OrderBy(v => v).ToList();
+                Log.Info("黑市抽样：基础价 >2500 的货：" + string.Join(", ", Merchants.Table.SelectMany(kv => kv.Value.Select(e => (kv.Key, e.Id))).Select(x => (id: x.Item2, v: BlackDelivery.Value(x.Item2))).Where(x => x.v > 2500).Select(x => x.id + "=" + x.v)));
+                Log.Info($"黑市抽样：无法造出或价格为 0 的货 {missing.Count} 个：{string.Join(", ", missing)}；基础价中位 {costs[costs.Count / 2]}，最高 {costs.Last()}");
                 Log.Info($"黑市抽样：60 周货架总值 平均 {vals.Average():0}，最小 {vals.Min():0}，最大 {vals.Max():0}");
             }));
             ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Black market events (test)", () => Log.Guard("黑市事件（测试）", () =>