added manual refresh and cleaned up code

app/MindWork AI Studio/Settings/DataModel/Data.cs

@@ -124,6 +124,8 @@ public sealed class Data
     
     public DataAgentRetrievalContextValidation AgentRetrievalContextValidation { get; init; } = new();
 
+    public DataDataSourceIndexing DataSourceIndexing { get; init; } = new();
+
     public DataAssistantPluginAudit AssistantPluginAudit { get; init; } = new(x => x.AssistantPluginAudit);
     
     public DataAgenda Agenda { get; init; } = new();

app/MindWork AI Studio/Settings/DataModel/DataDataSourceIndexing.cs

@@ -0,0 +1,9 @@
+namespace AIStudio.Settings.DataModel;
+
+public sealed class DataDataSourceIndexing
+{
+    /// <summary>
+    /// Whether local data source embeddings should refresh automatically when files change.
+    /// </summary>
+    public bool AutomaticRefresh { get; set; } = true;
+}