can transcribe in the ui

lib/elixir_ai/audio/audio_processing_pg.ex

@@ -0,0 +1,20 @@
+defmodule ElixirAi.AudioProcessingPG do
+  @moduledoc """
+  Named :pg scope for tracking audio transcription workers across the cluster.
+
+  Workers join two groups:
+    - :all       — always a member while alive (used for pool-size accounting)
+    - :available — member only while idle (used for dispatch; left while processing)
+
+  :pg automatically removes dead processes, so no manual cleanup is needed.
+  """
+
+  def child_spec(_opts) do
+    %{
+      id: __MODULE__,
+      start: {:pg, :start_link, [__MODULE__]},
+      type: :worker,
+      restart: :permanent
+    }
+  end
+end