eba13ac2c2
Add AudioConfig to server configuration with support for RX capture and TX playback via cpal and Opus encoding. Run a dedicated TCP listener (default port 4533) that sends StreamInfo on connect, streams RX Opus frames to clients, and receives TX frames back. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>