Added a way to read what the AI received from your sources (#1100)

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

app/MindWork AI Studio/Tools/Services/Indexing/StoredBatch.cs

@@ -0,0 +1,8 @@
+namespace AIStudio.Tools.Services.Indexing;
+
+/// <summary>
+/// How many chunks of a batch were stored, cf. IndexedRunContext.FlushBatchAsync.
+/// </summary>
+/// <param name="StoredCount">How many of the chunks were stored.</param>
+/// <param name="ReusedCount">How many of those kept a stored vector instead of being embedded.</param>
+internal readonly record struct StoredBatch(int StoredCount, int ReusedCount);