【进阶实战】任务追踪链：前置完成自动解锁后续封装

local CHAIN = {
    ["讨伐祖玛教主"] = "收集祖玛头像",
    ["收集祖玛头像"] = "领取裁决之杖碎片",
}
local function completeStep(actor, stepName)
    actor = getplayerbyname(actor)
    local nextStep = CHAIN[stepName]
    if nextStep == nil then
        sendmsg(actor, 1, "任务链已全部完成！")
        return
    end
    setplayvar(actor, "HUMAN", "Track_" .. nextStep, 1, 1)
    sendmsg(actor, 1, "新任务已自动追踪：" .. nextStep)
end

local function listTracked(actor)
    actor = getplayerbyname(actor)
    for stepName, _ in pairs(CHAIN) do
        if getplayvar(actor, "HUMAN", "Track_" .. stepName) == 1 then
            sendmsg(actor, 1, "【追踪中】" .. stepName)
        end
    end
    sendmsg(actor, 1, "追踪列表刷新完毕。")
end