CreateDialogDto

{
    "project_id": "123e4567-e89b-12d3-a456-426614174000",
    "lead_id": "507f1f77bcf86cd799439011",
    "channel_id": "550e8400-e29b-41d4-a716-446655440000",
    "force_create": false,
    "metadata": {
        "platform": "vk",
        "utm_source": "google",
        "utm_campaign": "promo2025",
        "traffic_source": "widget",
        "traffic_channel": "organic",
        "device_type": "mobile",
        "utm_medium": "cpc",
        "utm_term": "возврат товара",
        "utm_content": "banner_blue",
        "user_agent": "Mozilla/5.0...",
        "ip_address": "192.168.1.1",
        "geo_location": "Moscow, Russia",
        "language": "ru-RU",
        "timezone_offset": 180,
        "platform_type": "social",
        "bot_id": "123456",
        "bot_name": "SupportAgent",
        "integration": {
            "source": "webhook",
            "data": {}
        },
        "custom": {
            "custom_field": "value"
        },
        "created_by_admin": true,
        "admin_user_id": "admin-uuid",
        "admin_note": "Тестовый диалог для проверки интеграции"
    },
    "user_timezone_offset_minutes": 180
}