Add ERI server assistant (#231)

app/MindWork AI Studio/Tools/Rust/DirectorySelectionResponse.cs

@@ -0,0 +1,8 @@
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Data structure for selecting a directory.
+/// </summary>
+/// <param name="UserCancelled">Was the directory selection canceled?</param>
+/// <param name="SelectedDirectory">The selected directory, if any.</param>
+public readonly record struct DirectorySelectionResponse(bool UserCancelled, string SelectedDirectory);

app/MindWork AI Studio/Tools/Rust/PreviousDirectory.cs

@@ -0,0 +1,7 @@
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Data structure for selecting a directory when a previous directory was selected.
+/// </summary>
+/// <param name="Path">The path of the previous directory.</param>
+public readonly record struct PreviousDirectory(string Path);