【界面UI】通知中心：系统消息的集中收纳

-- 通知中心：分类渲染
local panel = GUI:GetParent("MainTop")
local TABS = {"系统", "行会", "社交", "活动"}
local tabs, unreadBadges = {}, {}
local function renderTabs(unreadCounts)
    for i, name in ipairs(TABS) do
        if tabs[i] == nil then
            tabs[i] = GUI:Button_Create(panel, "Tab" .. i, (i - 1) * 80, 10, "tab_normal")
        end
        local badge = unreadCounts[i] or 0
        if badge > 0 then
            GUI:setText(tabs[i], name .. "(" .. badge .. ")")
        else
            GUI:setText(tabs[i], name)
        end
    end
end

-- 通知中心：已读同步
local player = class(actor)
local function markAllRead(player, tabType)
    SL:SendNetMsg(9999, "readall|" .. tabType)
    setplayvar(player, "HUMAN", "NotifRead_" .. tabType, os.time(), true)
end
local function onReadAck(player2, msgId, w1, w2, w3, sMsg)
    if w1 == 1 then
        SL:ShowSystemTips("已标记 " .. w2 .. " 条为已读")
        renderTabs(unreadCounts)
    else
        SL:ShowSystemTips("标记失败，请重试")
    end
end
SL:RegisterLuaNetMsg(9995, onReadAck, nil)