- zerotier: Change exposed port from 3180 to 3000 (actual UI port)
- zerotier: Add loadbalancer.server.port label for traefik
- traefik: Add basicAuth volume mount for dashboard-auth middleware
- test-services.sh: Fix registry URL to use /v2/ endpoint
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>