【后端接口】行会招募：招募信息发布与过期接口

-- 行会招募：结构化发布
local player = class(actor)
local function publishRecruit(player, minLv, minOnline, slogan)
    local guildName = getmyguild(player)
    if guildName == nil or guildName == "" then
        sendmsg(player, 1, 0, "尚未加入行会，无权发布招募。")
        return
    end
    if getbaseinfo(player, 12) ~= guildName .. "帮主" then
        sendmsg(player, 1, 0, "仅帮主或官员可发布招募。")
        return
    end
    if #slogan > 40 then
        sendmsg(player, 1, 0, "招募语限 40 字以内。")
        return
    end
    setsysvarex("Recruit_" .. guildName, os.date("%Y%m%d%H%M%S") .. "|" ..
        minLv .. "|" .. minOnline .. "|" .. slogan, true)
    sendmsg(player, 1, 0, "招募已发布至广场，24 小时内有效。")
end

-- 招募过期：清理与续期
local player = class(actor)
local function renewRecruit(player, guildName)
    local raw = getsysvarex and getsysvar("Recruit_" .. guildName) or ""
    if raw == nil or raw == "" then
        sendmsg(player, 1, 0, "当前没有有效招募信息。")
        return
    end
    local ts = string.match(raw, "^(%d+)")
    if os.time() - tonumber(ts) > 86400 * 7 then
        sendmsg(player, 1, 0, "招募已沉睡超过 7 天，请重新编辑发布。")
        return
    end
    local newTs = os.date("%Y%m%d%H%M%S")
    local rest = string.match(raw, "^[^|]+|(.+)$")
    setsysvarex("Recruit_" .. guildName, newTs .. "|" .. rest, true)
    sendmsg(player, 1, 0, "招募已续期 24 小时。")
end