【前端接口】榜单延迟展示：数据缓冲与错峰刷新的前端实现

local buffer, shown = nil, {}
SL:RegisterLuaNetMsg(7601, function(data)
    buffer = data.list
end)
SL:Schedule(function()
    if buffer == nil then return end
    for rank, rec in ipairs(buffer) do
        local old = shown[rec.name]
        if old ~= rank then
            highlightRow(rank)
        end
        shown[rec.name] = rank
    end
    GUI:setText(updateLabel, "更新于" .. os.date("%H:%M:%S"))
    buffer = nil
end, 30)

local refreshing = false
GUI:addOnClickEvent(refreshBtn, function()
    if refreshing then return end
    refreshing = true
    SL:SendNetMsg(7602, { topn = 50 })
    SL:Schedule(function()
        refreshing = false
    end, 2)
end)