【后端接口】符文系统：符文页配置与插槽共鸣的引擎实现

local RUNE_SLOTS = 6
function Rune.inlay(actor, page, slot, runeId)
    local def = RUNE_DEF[runeId]
    if not def or slot > RUNE_SLOTS then return false, "插槽无效" end
    if not QF_TakeRune(actor, runeId) then return false, "缺少符文" end
    setplayvar(actor, "HUMAN", "rune_" .. page .. "_" .. slot, runeId, 1)
    Rune.recalc(actor, page)
    return true
end

function Rune.recalc(actor, page)
    local counts = {}
    for slot = 1, RUNE_SLOTS do
        local rid = tonumber(getplayvar(actor, "HUMAN", "rune_" .. page .. "_" .. slot)) or 0
        if rid > 0 then
            local sys = RUNE_DEF[rid].system
            counts[sys] = (counts[sys] or 0) + 1
        end
    end
    local bonus = 0
    for sys, n in pairs(counts) do
        if n >= 3 then bonus = bonus + RESO_DEF[sys] end
    end
    setplayvar(actor, "HUMAN", "rune_bonus_" .. page, bonus, 1)
end