【性能调优】活动错峰：同期多活动的资源错峰调度

-- 活动错峰：资源画像排期
local player = class(actor)
local ACT_PROFILE = {
    ["双倍经验"] = {db = 2, net = 1, ai = 1},
    ["限时副本"] = {db = 1, net = 2, ai = 2},
    ["世界首领"] = {db = 1, net = 2, ai = 3},
}
local function checkScheduleConflict(actA, actB, slot)
    local a = ACT_PROFILE[actA]
    local b = ACT_PROFILE[actB]
    if a == nil or b == nil then return false end
    local clash = 0
    for _, res in ipairs({"db", "net", "ai"}) do
        if a[res] >= 2 and b[res] >= 2 then
            clash = clash + 1
        end
    end
    if clash >= 2 then
        sendmsg(player, 1, 0, actA .. " 与 " .. actB .. " 同时段资源冲突，请错峰排期。")
        return true
    end
    return false
end

-- 活动错峰：缓冲带与错位开启
local player = class(actor)
local BUFFER_SEC = 900
local function scheduleActivities(acts)
    local lastHeavyEnd = 0
    table.sort(acts, function(a, b) return a.priority > b.priority end)
    for _, act in ipairs(acts) do
        local startAt = math.max(act.planStart, lastHeavyEnd + BUFFER_SEC)
        if act.ai >= 3 then
            startAt = math.max(startAt, act.slotBase + 600)
        end
        act.realStart = startAt
        lastHeavyEnd = startAt + act.duration
    end
end