How to make a Rust recycler speed plugin (Oxide/Carbon)

using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using Oxide.Core;

namespace Oxide.Plugins
{
    [Info("Recycler Speed", "RustPluginGenerator", "1.0.0")]
    [Description("Speeds up recycler processing and gives VIP players a faster cycle.")]
    public class RecyclerSpeed : RustPlugin
    {
        private const string PermVip = "recyclerspeed.vip";

        private PluginConfig config;
        private readonly Dictionary<ulong, Timer> activeTimers = new Dictionary<ulong, Timer>();

        private class PluginConfig
        {
            [JsonProperty("Seconds per cycle (default)")]
            public float SecondsPerCycle = 3f;

            [JsonProperty("Seconds per cycle (VIP permission)")]
            public float VipSecondsPerCycle = 1.5f;

            [JsonProperty("Require permission for VIP speed")]
            public bool RequireVipPermission = true;
        }

        protected override void LoadDefaultConfig() => config = new PluginConfig();

        protected override void LoadConfig()
        {
            base.LoadConfig();
            try
            {
                config = Config.ReadObject<PluginConfig>();
                if (config == null) throw new Exception();
            }
            catch
            {
                PrintWarning("Configuration file is invalid, using defaults");
                LoadDefaultConfig();
            }
            SaveConfig();
        }

        protected override void SaveConfig() => Config.WriteObject(config);

        protected override void LoadDefaultMessages()
        {
            lang.RegisterMessages(new Dictionary<string, string>
            {
                ["SpeedInfo"] = "Recycler speed: {0}s per cycle."
            }, this);
        }

        private string Msg(string key, string userId = null, params object[] args)
            => string.Format(lang.GetMessage(key, this, userId), args);

        private void Init()
        {
            permission.RegisterPermission(PermVip, this);
        }

        private object OnRecyclerToggle(Recycler recycler, BasePlayer player)
        {
            if (recycler == null || player == null || recycler.IsDestroyed) return null;

            StopTimer(recycler);

            // Hook fires before the recycler flips IsOn, so re-check next tick.
            NextTick(() =>
            {
                if (recycler == null || recycler.IsDestroyed) return;
                if (!recycler.IsOn()) return;
                StartTimer(recycler, player);
            });

            return null;
        }

        private void StartTimer(Recycler recycler, BasePlayer player)
        {
            float interval = config.SecondsPerCycle;
            bool isVip = !config.RequireVipPermission
                         || (player != null && permission.UserHasPermission(player.UserIDString, PermVip));
            if (isVip) interval = config.VipSecondsPerCycle;
            if (interval < 0.1f) interval = 0.1f;

            ulong id = recycler.net.ID.Value;
            activeTimers[id] = timer.Every(interval, () =>
            {
                if (recycler == null || recycler.IsDestroyed || !recycler.IsOn())
                {
                    StopTimer(recycler);
                    return;
                }
                recycler.RecycleThink();
            });
        }

        private void StopTimer(Recycler recycler)
        {
            if (recycler == null) return;
            ulong id = recycler.net.ID.Value;
            Timer t;
            if (activeTimers.TryGetValue(id, out t))
            {
                t.Destroy();
                activeTimers.Remove(id);
            }
        }

        private void Unload()
        {
            foreach (var kv in activeTimers)
            {
                kv.Value?.Destroy();
            }
            activeTimers.Clear();
        }
    }
}