- Raise FileNotFoundError with clear message when TLS certs are missing
rather than a cryptic SSL error
- Use getaddrinfo(AF_INET) before create_connection to force IPv4 and
avoid dual-stack resolution failures on some networks
- Comment out hardcoded PRINTER_IP in bridge.sh
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>