Add cleanup for slow downloads (#110)

code/Domain/Models/Cache/StalledCacheItem.cs

@@ -1,6 +1,6 @@
 namespace Domain.Models.Cache;
 
-public sealed record CacheItem
+public sealed record StalledCacheItem
 {
     /// <summary>
     /// The amount of bytes that have been downloaded.

code/Domain/Models/Deluge/Response/DownloadStatus.cs

@@ -2,7 +2,7 @@
 
 namespace Domain.Models.Deluge.Response;
 
-public sealed record TorrentStatus
+public sealed record DownloadStatus
 {
     public string? Hash { get; init; }
     
@@ -12,8 +12,14 @@ public sealed record TorrentStatus
     
     public ulong Eta { get; init; }
     
+    [JsonProperty("download_payload_rate")]
+    public long DownloadSpeed { get; init; }
+    
     public bool Private { get; init; }
     
+    [JsonProperty("total_size")]
+    public long Size { get; init; }
+    
     [JsonProperty("total_done")]
     public long TotalDone { get; init; }