probably-decentralized/src/Decentralized/Unlock.cs

using System;

namespace Decentralized
{
    /// <summary>人脉网络里的"Web3 治理社区"：整个 mod 的入口。买下后交付交易终端和一张 RZX 50，并开始每天的行情与挖矿结算；矿架向杰克逊博士购买。</summary>
    public static class Unlock
    {
        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);

        public static void Register()
        {
            try
            {
                // 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 + ":terminal");
            }
            catch (NullReferenceException)
            {
                // 登记定义后游戏会访问 PlayerStore.Instance，主菜单阶段为空会抛异常；定义已登记，读档时游戏会把升级补进这一局。
                Log.Info("人脉升级已登记（主菜单阶段访问 PlayerStore 失败，已忽略）");
            }
        }

        private static void OnPurchased()
        {
            Items.Give(ModHelper.SpawnItem(Items.Terminal));
            Items.Give(ModHelper.SpawnItem(Items.GpuId("RZX50")));
            Log.Info("已加入 Web3 治理社区");
        }
    }
}