Entry upgrade goes under the game's Service group

Uses the game's own "Service" card key like Probably Automated instead of
a custom group label, and the terminal as its icon.

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

src/Decentralized/Unlock.cs

@@ -7,6 +7,7 @@ namespace Decentralized
     {
         public const string Id = "PD_WEB3_COMMUNITY";
         public const int Price = 300;
+        private const string Card = "Service";
 
         public static bool IsUnlocked => PlayerStore.Instance != null && ModHelper.IsNetworkUpgradeUnlocked(Id);
 
@@ -14,10 +15,11 @@ namespace Decentralized
         {
             try
             {
-                // 文字都用回调：OnEnable 时 mod 本地化表还没加载
-                ModHelper.AddNetworkUpgrade(ModInfo.Id, Id, Price, "",
+                // 分类用游戏自己的 "Service" 键，和 Probably Automated 一样归进现有的"服务"栏；
+                // 标题和说明用回调：OnEnable 时 mod 本地化表还没加载
+                ModHelper.AddNetworkUpgrade(ModInfo.Id, Id, Price, Card,
                     () => L.T("upgrade.title"), () => L.T("upgrade.desc"), OnPurchased,
-                    iconKey: ModInfo.Id + ":rig", subtitleLabel: () => L.T("upgrade.card"));
+                    iconKey: ModInfo.Id + ":terminal");
             }
             catch (NullReferenceException)
             {