【界面UI】技能栏锁定：战斗中防误触的图标冻结

-- 技能栏锁定：拖拽拦截
local panel = GUI:GetParent("MainTop")
local lockOn = true
local function onDragStart(slotIdx)
    local inCombat = getplayvar(panel, "HUMAN", "InCombat") == 1
    if inCombat or lockOn then
        SL:ShowSystemTips(inCombat and "战斗中无法调整技能栏" or "技能栏已锁定")
        SL:SendNetMsg(9999, "drag_block")
        return false
    end
    return true
end

-- 锁定反馈：锁标记与解锁
local player = class(actor)
local lockIcon = GUI:Text_Create(panel, "LockMark", 0, 0, "🔒", 16, 16)
local function toggleLock(player)
    lockOn = not lockOn
    if lockOn then
        lockIcon:SetVisible(true)
        SL:ShowSystemTips("技能栏已锁定")
    else
        SL:ShowSystemTips("技能栏已解锁，可自由调整（再次点击锁定）")
        lockIcon:SetVisible(false)
    end
    setplayvar(player, "HUMAN", "BarLocked", lockOn and 1 or 0, true)
end