feat(10-02): add 28 new classification subtests to TestClassify
- Mail: IMAP 143/993, POP3 110/995, SMTPSub 587 (PROTO-01)
- File Transfer: FTP 20/21, SMB 445, TFTP 69 (PROTO-02)
- Remote Access: RDP 3389, Telnet 23, VNC 5900 (PROTO-03)
- Database: MySQL 3306, PostgreSQL 5432, Redis 6379, MongoDB 27017 (PROTO-04)
- Discovery: mDNS 5353, SSDP 1900, SNMP 161/162 (PROTO-05)
- VoIP: SIP TCP+UDP 5060 (PROTO-06)
- Web: QUIC UDP/443 distinct from HTTPS TCP/443 (PROTO-07)
- Infrastructure: LDAP 389/636, Kerberos TCP+UDP 88, Syslog 514 (PROTO-08)