List all assistants

{
    "assistants": [
        {
            "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
            "name": "Customer Support Agent",
            "business_name": "Acme Corp",
            "notification_email": "support@acme.com",
            "first_message": "Hello, welcome to Acme. How can I help you today?",
            "is_active": true,
            "max_duration_seconds": 300,
            "autonomous_silence_handling": false,
            "silence_timeout_seconds": 8,
            "voicemail_detection": false,
            "voicemail_message": "Hello, this is Acme Corp. We will call you back at a later time. Thank you!",
            "gdpr_mode": false,
            "webhook_url": "http://example.com",
            "webhook_secret": "string",
            "webhook_events": [
                "string"
            ],
            "analysis_plan": {
                "structured_data_plan": {
                    "enabled": true,
                    "schema": {
                        "type": "object",
                        "properties": {
                            "intent": {
                                "type": "string"
                            },
                            "sentiment": {
                                "type": "string",
                                "enum": [
                                    "positive",
                                    "neutral",
                                    "negative"
                                ]
                            },
                            "appointment_booked": {
                                "type": "boolean"
                            }
                        }
                    },
                    "messages": [
                        {
                            "role": "system",
                            "content": "Analyze the following call transcript according to this schema: {{schema}}"
                        }
                    ]
                },
                "min_messages_threshold": 2
            },
            "stt_config": {
                "provider": "deepgram",
                "model": "nova-3-general",
                "language": "multi",
                "keyterms": [
                    "yes",
                    "no",
                    "okay",
                    "Acme"
                ],
                "tag_audio_events": true,
                "include_timestamps": false,
                "sample_rate": 16000,
                "languages": [
                    "nl",
                    "en"
                ],
                "code_switching": true,
                "region": "eu-west",
                "endpointing": 0.05,
                "custom_vocabulary": [
                    "HMS Sovereign",
                    "Flireo"
                ],
                "translation_enabled": false,
                "translation_target_languages": [
                    "en"
                ]
            },
            "llm_config": {
                "provider": "openai",
                "model": "gpt-5-mini",
                "voice": "ara",
                "temperature": 0.7,
                "messages": [
                    {
                        "role": "system",
                        "content": "string"
                    }
                ],
                "tools": [
                    {
                        "name": "lookup_contact",
                        "description": "Look up contact information by name or phone number",
                        "url": "https://n8n.example.com/webhook/contacts",
                        "async": false,
                        "parameters": {
                            "type": "object",
                            "properties": {
                                "query": {
                                    "type": "string",
                                    "description": "Name or phone number to search"
                                }
                            },
                            "required": [
                                "query"
                            ]
                        }
                    }
                ]
            },
            "tts_config": {
                "provider": "elevenlabs",
                "voice_id": "alloy",
                "model": "eleven_flash_v2_5",
                "language": "nl",
                "stability": 0.5,
                "similarity_boost": 0.75,
                "use_speaker_boost": true,
                "speed": 1,
                "style": 0
            },
            "created_at": "2019-08-24T14:15:22.123Z",
            "updated_at": "2019-08-24T14:15:22.123Z"
        }
    ]
}