Method Request

src/main/java/org/example/tlv.java:59–63

(byte type, byte[] data)

        private byte[] data;    // 数据部分

        public Request(byte type, byte[] data) {
            this.type = type;
            this.data = data;
            this.length = data != null ? data.length : 0;
        }

        // 编码请求包（带加密）
        public byte[] encode() {