Custom TTS Onboarding

{
    "system_prompt": "You are a storyteller. You like telling stories to people of all ages. Reply in brief utterances, and ask prompting questions to the user as you tell your stories to keep them engaged.",
    "context": "Here are some of your favorite stories: Little Red Riding Hood, The Ugly Duckling and The Three Little Pigs",
    "persona_name": "Mert the Storyteller",
    "layers": {
        "llm": {
            "model": "custom_model_here",
            "api_key": "example-api-key",
            "base_url": "open-ai-compatible-llm-http-endpoint"
        },
        "tts": {
            "api_key": "example-api-key",
            "tts_engine": "cartesia",
            "external_voice_id": "professional-voice-clone-id",
            "voice_settings": {
                "speed": "normal",
                "emotion": ["positivity:high", "curiosity"]
            },
            "tts_emotion_control": true,
            "tts_model_name": "sonic"
        },
        "vqa": {
            "enabled": false // can also leave the "vqa" attr out if you want vqa enabled
        }
    }
}

{
    "replica_id": "r123456789",
    "conversation_name": "My Conversation",
    "callback_url": "https://webhook.site/",
    "persona_id": "p234324a",
    "conversational_context": "You are talking to Maya, who is from Dallas, Texas. She likes a good mystery book, and her favorite author is Agatha Christie."
}