- Initialize Go module github.com/netsynth/netsynth with Go 1.24.1 - Create classify/types.go with 11 TrafficClass constants (ICMP, DNS, HTTPS, HTTP, SSH, SMTP, NTP, DHCP, other-TCP, other-UDP, unknown) - Add ClassifiedPacket and WindowSnapshot shared types - Add Phase 1 dependencies: gopacket v1.5.0, go-pcap, cobra v1.10.2