Stage 9.2: mixer operator Tumbler storyline with key drive item

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

src/Decentralized.Domain/Tuning.cs

@@ -244,6 +244,13 @@ namespace Decentralized.Domain
         public const double StorySecAmlMult = 1.5, StorySecSanctionMult = 1.5, StorySecEnforceMult = 1.3;
         public const double StoryLeakHaircutMult = 2, StoryLeakSpark = 1.15, StoryReturnCrcMult = 0.5;
         public const int StoryLunDays = 14, StorySparkNights = 5;
+        /// <summary>混币器运营者 Tumbler：第几天起开始；帮他藏好密钥盘后的混币器手续费、匿名集倍率和谢礼（CRT）；举报的赏金（信用点）和治安部声望；
+        /// 卖给黑市得的 CRT（一半带污点）、黑市声望、之后混币器的手续费和跑路倍率；密钥盘的价值（违禁品，搜到按它记罪证）。</summary>
+        public const int TumblerMinDay = 30;
+        public const double TumblerKeptFee = 0.5, TumblerKeptVolume = 1.5, TumblerGift = 1000;
+        public const int TumblerBounty = 1200, TumblerSecRep = 8, TumblerBmRep = 5;
+        public const double TumblerSellCrt = 3000, TumblerSoldFee = 1.5, TumblerSoldRug = 4;
+        public const int TumblerDriveValue = 600;
         public const double StoryLunMult = 1.3;
 
         /// <summary>行情图的 NPC 成交量：每天的基础量占主池深度的比例（按币种），价格波动越大成交越多（|涨跌幅| × 倍数），再乘 0.6–1.4 的随机。</summary>