装备熔合：双装备词条的随机继承

local function fusePool(poolA, poolB)
    local merged = {}
    for _, w in ipairs(poolA) do
        merged[#merged + 1] = w
    end
    for _, w in ipairs(poolB) do
        merged[#merged + 1] = w
    end
    return merged
end

local function fuseEquip(actor, poolA, poolB)
    local merged = fusePool(poolA, poolB)
    local keep = {}
    while #keep < 2 and #merged > 0 do
        local i = math.random(1, #merged)
        keep[#keep + 1] = merged[i]
        table.remove(merged, i)
    end
    for _, w in ipairs(keep) do
        sendmsg(actor, 1, "熔合保留：" .. w)
    end
end
fuseEquip(getplayerbyname("smith01"),
    {"攻击+15", "命中+10"}, {"防御+20", "暴击+8"})