【策划架构】Lua快照定格：沙巴克发奖时刻的榜单冻结

local function payAward(board)
    for i, r in ipairs(board) do     -- 直接引用实时榜
        giveitem(getplayerbyname(r.name), "金元", 5, 0, "守城奖")
    end
end

local function snapshot(board)
    local copy = {}
    for i, r in ipairs(board) do
        copy[i] = {name = r.name, score = r.score, rank = i}
    end
    return copy                       -- 定格独立副本
end
local frozen = snapshot(BOARD)
local function payAward()
    for i = 1, math.min(5, #frozen) do
        local r = frozen[i]
        giveitem(getplayerbyname(r.name), "金元", 6 - i, 0,
            "沙巴克守城奖")
    end
end