SpacesTreeNodesResponseDto

{
    "items": [
        {
            "node_type": "space",
            "id": "67da9a2c8c8b2e1a9b0d0001",
            "title": "Support",
            "kind": "discord_guild",
            "space_type": "community",
            "platform_type": "vk",
            "external_id": "1234567890",
            "text": "Pinned topic or wall post text",
            "source_url": "https://vk.com/wall-1_5",
            "media": [
                {
                    "type": "image",
                    "url": "https://cdn.example.com/image.png",
                    "thumbnail_url": "https://cdn.example.com/image-thumb.png",
                    "width": 1200,
                    "height": 800,
                    "mime_type": "image/png",
                    "position": 0,
                    "caption": "Cover image",
                    "source_id": "photo:-1_42",
                    "is_cover": true,
                    "recognition_text": "Detected text from OCR"
                }
            ],
            "participant_count": 12,
            "message_count": 42,
            "comment_count": 7,
            "username": "support-room",
            "avatar_url": "https://cdn.example.com/icon.png",
            "external_created_at": "2026-03-18T10:00:00.000Z",
            "external_updated_at": "2026-03-18T10:05:00.000Z",
            "is_active": true,
            "last_message_at": "2026-03-19T10:00:00.000Z",
            "has_children": false,
            "match": {
                "is_match": true,
                "has_matching_descendants": true,
                "matched_by": "query",
                "score": 12.5,
                "highlights": [
                    {
                        "field": "title",
                        "highlighted": "<mark>Payment</mark> issue"
                    }
                ]
            }
        }
    ],
    "total": 57,
    "limit": 20,
    "has_more": true,
    "next_cursor": "eyJpZCI6IjY3ZGE5YTJjOGM4YjJlMWE5YjBkMDAwMSJ9"
}