feat: more work on UI app

Co-authored-by: Copilot <copilot@github.com>

scripts/desktop_automation_app.exs

@@ -0,0 +1,7 @@
+Enum.reduce_while(IO.stream(:stdio, :line), :ok, fn line, _acc ->
+  if String.trim(line) == "stop" do
+    {:halt, :ok}
+  else
+    {:cont, :ok}
+  end
+end)