StorageStatsResponseDto

{
    "total_files": 523,
    "total_size": 1081797632,
    "total_size_formatted": "1.03 GB",
    "used_files": 400,
    "used_size": 858993459,
    "used_size_formatted": "819.2 MB",
    "orphaned_files": 123,
    "orphaned_size": 222804173,
    "orphaned_size_formatted": "212.5 MB",
    "by_category": {
        "image": {
            "count": 300,
            "size": 536870912
        },
        "video": {
            "count": 300,
            "size": 536870912
        },
        "audio": {
            "count": 300,
            "size": 536870912
        },
        "document": {
            "count": 300,
            "size": 536870912
        }
    },
    "by_source": {
        "widget": {
            "count": 300,
            "size": 536870912
        },
        "telegram": {
            "count": 300,
            "size": 536870912
        },
        "vk": {
            "count": 300,
            "size": 536870912
        },
        "max": {
            "count": 300,
            "size": 536870912
        },
        "ai_agent": {
            "count": 300,
            "size": 536870912
        }
    },
    "top_dialogs": [
        {
            "dialog_id": "550e8400-e29b-41d4-a716-446655440000",
            "dialog_title": "Диалог с клиентом",
            "files_count": 45,
            "total_size": 105542600,
            "total_size_formatted": "100.65 MB"
        }
    ]
}