List all assistants

curl --request GET \
  --url 'https://api.unify.ai/v0/assistant' \
  --header "Authorization: Bearer $UNIFY_KEY"

{
    "info": [
        {
            "agent_id": "123",
            "first_name": "Alice",
            "surname": "Smith",
            "age": 25,
            "weekly_limit": 40.0,
            "max_parallel": 3,
            "phone": "+1-555-123-4567",
            "email": "alice.smith@example.com",
            "region": "North America",
            "profile_photo": "https://example.com/photos/alice.jpg",
            "about": "Mathematician and writer known for work on Analytical Engine",
            "voice_id": "bf0a246a-8642-498a-9950-80c35e9276b5",
            "created_at": "2025-04-25T12:00:00Z",
            "updated_at": "2025-04-25T12:00:00Z"
        },
        {
            "agent_id": "456",
            "first_name": "Bob",
            "surname": "Jones",
            "age": 30,
            "weekly_limit": 35.5,
            "max_parallel": 2,
            "phone": "+1-555-987-6543",
            "email": "bob.jones@example.com",
            "region": "South America",
            "profile_photo": "https://example.com/photos/bob.jpg",
            "about": "Machine learning expert with focus on computer vision",
            "voice_id": "bf0a246a-8642-498a-9950-80c35e9276b5",
            "created_at": "2025-04-24T10:30:00Z",
            "updated_at": "2025-04-24T10:30:00Z"
        }
    ]
}