refactoring folders

lib/elixir_ai_web/utils/page_tools_pg.ex

@@ -0,0 +1,15 @@
+defmodule ElixirAi.PageToolsPG do
+  @moduledoc """
+  Named :pg scope for tracking LiveViews that implement AiControllable.
+  Group key is `{:page, voice_session_id}` — one group per browser session.
+  """
+
+  def child_spec(_opts) do
+    %{
+      id: __MODULE__,
+      start: {:pg, :start_link, [__MODULE__]},
+      type: :worker,
+      restart: :permanent
+    }
+  end
+end