fix: add ensure_user_role_loaded to router live_session globally

lib/mv_web/live_helpers.ex

@@ -49,8 +49,14 @@ defmodule MvWeb.LiveHelpers do
     opts = [domain: Mv.Accounts, actor: user]
 
     case Ash.load(user, :role, opts) do
-      {:ok, loaded_user} -> loaded_user
-      {:error, _} -> user
+      {:ok, loaded_user} ->
+        loaded_user
+
+      {:error, error} ->
+        # Log warning if role loading fails - this can cause authorization issues
+        require Logger
+        Logger.warning("Failed to load role for user #{user.id}: #{inspect(error)}")
+        user
     end
   end
 end