Added local RAG (#756)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/Services/DataSourceEmbeddingNames.cs

@@ -0,0 +1,12 @@
+namespace AIStudio.Tools.Services;
+
+internal static class DataSourceEmbeddingNames
+{
+    public static string GetCollectionName(string dataSourceId)
+    {
+        if (!Guid.TryParse(dataSourceId, out var parsedDataSourceId))
+            throw new ArgumentException("Data source ID must be a valid GUID.", nameof(dataSourceId));
+
+        return $"rag_{parsedDataSourceId:N}";
+    }
+}