Starter economy: stronger low-end cards; handbook: withdrawal screening rules and wallet destroy; revert wallet-destroy guard

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

tests/Decentralized.Domain.Tests/Program.cs

@@ -124,7 +124,7 @@ internal static class Program
             Check(Near(u.Hash(ModuleBonus.None), 3.0, 1e-9), "健康 0：60%");
             Check(Near(new Unit { Model = "RTX70" }.Hash(ModuleBonus.From(36, -44, 0)), 5 * 1.09, 1e-9), "一个超频模块（+36 性能）：算力 +9%");
             var fake = new Unit { Model = "RTX90", FakeOf = "RTX60" };
-            Check(fake.Hash(ModuleBonus.None) == 1.0 && fake.Label.Model == "RTX90", "假卡标着 RTX90，算力按 RTX60");
+            Check(fake.Hash(ModuleBonus.None) == Hardware.Specs["RTX60"].Hash && fake.Label.Model == "RTX90", "假卡标着 RTX90，算力按 RTX60");
             Check(Near(fake.DeathChance(ModuleBonus.None), new Unit { Model = "RTX90" }.DeathChance(ModuleBonus.None) * 2, 1e-12), "假卡暴毙率 ×2");
             var r = new Unit { Model = "RTX70", Health = 50 };
             Check(r.Refurbish() && r.Health == 80 && !r.Refurbish(), "翻新一次 +30，不能再翻新");