邮件附件：一键领取合并到账

-- 错误：逐封逐附件手点，弹提示顶乱列表
function claimOne(mail)
    gain(mail.attach)
    markClaimed(mail)
end

local function claimAll(mails)
    local total, fail = {}, 0
    for _, m in ipairs(mails) do
        if m.attach then
            for _, it in ipairs(m.attach) do
                total[it.id] =
                    (total[it.id] or 0) + it.n
            end
            markClaimed(m)
        else
            fail = fail + 1
        end
    end
    showSummary(total, fail)
end