The rebase onto master (switch-code feature) added an 8th request_relay
parameter; pass the interface's switch code from both WebRTC->relay
fallback paths so a role-swap session survives the fallback. Also drop
a duplicate bindgen 0.72.1 entry the Cargo.lock merge produced.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01ExUfAkYbq8UC9pQCiLy8TQ