Added the retrieval process section for ERI data sources (#318)

app/MindWork AI Studio/Settings/DataModel/DataSourceERI_V1.cs

@@ -51,6 +51,9 @@ public readonly record struct DataSourceERI_V1 : IERIDataSource
     /// <inheritdoc />
     public ERIVersion Version { get; init; } = ERIVersion.V1;
     
+    /// <inheritdoc />
+    public string SelectedRetrievalId { get; init; }
+    
     /// <inheritdoc />
     public async Task<IReadOnlyList<IRetrievalContext>> RetrieveDataAsync(IContent lastPrompt, ChatThread thread, CancellationToken token = default)
     {
@@ -74,7 +77,7 @@ public readonly record struct DataSourceERI_V1 : IERIDataSource
                 
                 Thread = await thread.ToERIChatThread(token),
                 MaxMatches = 10,
-                RetrievalProcessId = null, // The ERI server selects the retrieval process when multiple processes are available
+                RetrievalProcessId = string.IsNullOrWhiteSpace(this.SelectedRetrievalId) ? null : this.SelectedRetrievalId,
                 Parameters = null, // The ERI server selects useful default parameters
             };