7. **Command-Line Arguments**:
- Accepts a `--tts_model` argument to bypass the interactive menu and directly set up a specific TTS engine
on the first time start-up:
- `piper`: Sets up the Piper TTS engine.
- `vits`: Sets up the VITS TTS engine.
- `xtts`: Sets up the XTTS TTS engine.
- `none`: Skips model setup entirely.