The proxy's Docker IP must be in TS6's query_ip_allowlist.txt,
otherwise logins will fail with error 520 after anti-flood kicks in.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Bridges the legacy TeamSpeak 3 ServerQuery raw protocol (TCP 10011) to
TeamSpeak 6's SSH Query interface (TCP 10022). Includes unit tests,
Docker setup, and integration test scaffold.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>