Indexed large data sources in steps so the others get their turn (#1052)

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

@@ -0,0 +1,8 @@
+namespace AIStudio.Tools.Services;
+
+/// <summary>
+/// A run of a data source, as it comes out of the queue.
+/// </summary>
+/// <param name="DataSourceId">The id of the data source.</param>
+/// <param name="RefreshMode">Why the run was asked for.</param>
+internal sealed record DataSourceRunRequest(string DataSourceId, DataSourceEmbeddingRefreshMode RefreshMode);