【前端接口】界面缩放记忆：独立档位与本地存储的适配联动

local SCALES = { 1.0, 0.85, 1.15 }
local function cycleScale(winName, widget)
    local cur = SL:GetMetaValue("UI_SCALE", winName) or 1
    local next = cur
    for i, s in ipairs(SCALES) do
        if math.abs(s - cur) < 0.01 then
            next = SCALES[i % #SCALES + 1]
            break
        end
    end
    GUI:setScaleX(widget, next)
    GUI:setScaleY(widget, next)
    saveLocal("scale_" .. winName, next)
end

GUI:addOnClickEvent(chatWin, function()
    GUI:Win_Open("chat_panel")
    SL:Schedule(function()
        local s = loadLocal("scale_chat_panel") or 1.0
        GUI:setScaleX(chatPanel, s)
        GUI:setScaleY(chatPanel, s)
    end, 0.1)
end)