Integrate Member policies in LiveViews

- Add on_mount hook to ensure user role is loaded in all Member LiveViews
- Pass actor parameter to all Ash operations (read, get, create, update, destroy, load)

lib/mv_web/live/member_live/show.ex

@@ -21,6 +21,8 @@ defmodule MvWeb.MemberLive.Show do
   use MvWeb, :live_view
   import Ash.Query
 
+  on_mount {MvWeb.LiveHelpers, :ensure_user_role_loaded}
+
   alias MvWeb.Helpers.MembershipFeeHelpers
 
   @impl true
@@ -148,9 +150,9 @@ defmodule MvWeb.MemberLive.Show do
           </div>
 
           <%!-- Custom Fields Section --%>
-          <%= if is_list(@custom_fields) && Enum.any?(@custom_fields) do %>
+          <%= if Enum.any?(@custom_fields) do %>
             <div>
-              <.section_box title={gettext("Additional Data Fields")}>
+              <.section_box title={gettext("Custom Fields")}>
                 <div class="grid grid-cols-2 gap-4">
                   <%= for custom_field <- @custom_fields do %>
                     <% cfv = find_custom_field_value(@member.custom_field_values, custom_field.id) %>
@@ -220,6 +222,7 @@ defmodule MvWeb.MemberLive.Show do
           module={MvWeb.MemberLive.Show.MembershipFeesComponent}
           id={"membership-fees-#{@member.id}"}
           member={@member}
+          current_user={@current_user}
         />
       <% end %>
     </Layouts.app>
@@ -233,15 +236,15 @@ defmodule MvWeb.MemberLive.Show do
 
   @impl true
   def handle_params(%{"id" => id}, _, socket) do
-    # Load custom fields for display
-    # Note: Each page load starts a new LiveView process, so caching with
-    # assign_new is not necessary here (mount creates a fresh socket each time)
-    custom_fields =
-      Mv.Membership.CustomField
-      |> Ash.Query.sort(name: :asc)
-      |> Ash.read!()
+    actor = socket.assigns[:current_user]
 
-    socket = assign(socket, :custom_fields, custom_fields)
+    # Load custom fields once using assign_new to avoid repeated queries
+    socket =
+      assign_new(socket, :custom_fields, fn ->
+        Mv.Membership.CustomField
+        |> Ash.Query.sort(name: :asc)
+        |> Ash.read!(actor: actor)
+      end)
 
     query =
       Mv.Membership.Member
@@ -253,7 +256,7 @@ defmodule MvWeb.MemberLive.Show do
         membership_fee_cycles: [:membership_fee_type]
       ])
 
-    member = Ash.read_one!(query)
+    member = Ash.read_one!(query, actor: actor)
 
     # Calculate last and current cycle status from loaded cycles
     last_cycle_status = get_last_cycle_status(member)