added manual refresh and cleaned up code

app/MindWork AI Studio/Tools/Databases/EmbeddingStore.cs

@@ -35,14 +35,15 @@ public abstract class EmbeddingStore(string name, string path)
     {
         string[] suffixes = { "B", "KB", "MB", "GB", "TB", "PB" };
         int suffixIndex = 0;
+        double convertedSize = size;
     
-        while (size >= 1024 && suffixIndex < suffixes.Length - 1)
+        while (convertedSize >= 1024 && suffixIndex < suffixes.Length - 1)
         {
-            size /= 1024;
+            convertedSize /= 1024;
             suffixIndex++;
         }
     
-        return $"{size:0##} {suffixes[suffixIndex]}";
+        return $"{convertedSize:0.##} {suffixes[suffixIndex]}";
     }
     
     public void SetLogger(ILogger<EmbeddingStore> logService)

app/MindWork AI Studio/Tools/Databases/Qdrant/QdrantClientImplementation.cs

@@ -1,5 +1,6 @@
 using Qdrant.Client;
 using Qdrant.Client.Grpc;
+using Grpc.Core;
 using AIStudio.Tools.PluginSystem;
 using static Qdrant.Client.Grpc.Conditions;
 
@@ -104,14 +105,32 @@ public class QdrantClientImplementation : EmbeddingStore
         return this.GrpcClient.UpsertAsync(collectionName, qdrantPoints, true, null, null, token);
     }
 
-    public override Task DeleteEmbeddingByFile(string collectionName, string filePath, CancellationToken token)
+    public override async Task DeleteEmbeddingByFile(string collectionName, string filePath, CancellationToken token)
     {
-        return this.GrpcClient.DeleteAsync(collectionName, MatchKeyword("file_path", filePath), true, null, null, token);
+        try
+        {
+            await this.GrpcClient.DeleteAsync(collectionName, MatchKeyword("file_path", filePath), true, null, null, token);
+        }
+        catch (RpcException exception) when (exception.StatusCode is StatusCode.NotFound)
+        {
+            return;
+        }
     }
 
-    public override Task DeleteEmbeddingStore(string collectionName, CancellationToken token)
+    public override async Task DeleteEmbeddingStore(string collectionName, CancellationToken token)
     {
-        return this.GrpcClient.DeleteCollectionAsync(collectionName, cancellationToken: token);
+        var exists = await this.GrpcClient.CollectionExistsAsync(collectionName, token);
+        if (!exists)
+            return;
+
+        try
+        {
+            await this.GrpcClient.DeleteCollectionAsync(collectionName, cancellationToken: token);
+        }
+        catch (RpcException exception) when (exception.StatusCode is StatusCode.NotFound)
+        {
+            return;
+        }
     }
 
     public override void Dispose() => this.GrpcClient.Dispose();