CSV export: apply cycle_status_filter and boolean_filters when exporting all

lib/mv/membership/member_export.ex

@@ -378,6 +378,33 @@ defmodule Mv.Membership.MemberExport do
     end
   end
 
+  @doc """
+  Applies export filters (cycle status and boolean custom field filters) when exporting "all" (no selected_ids).
+
+  Used by the CSV export controller so that "Export (all)" with active filters exports only the filtered members,
+  matching PDF export behavior.
+
+  - `members` - Loaded members (must have cycle data loaded when cycle_status_filter is used).
+  - `opts` - Map with `:selected_ids`, `:cycle_status_filter`, `:show_current_cycle`, `:boolean_filters`.
+  - `custom_fields_by_id` - Map of custom field id => custom field struct (for boolean filter resolution).
+
+  When `opts.selected_ids` is not empty, returns `members` unchanged. Otherwise applies
+  cycle status filter and boolean custom field filters.
+  """
+  @spec apply_export_filters([struct()], map(), map()) :: [struct()]
+  def apply_export_filters(members, opts, custom_fields_by_id) do
+    if opts[:selected_ids] != [] do
+      members
+    else
+      members
+      |> apply_cycle_status_filter(opts[:cycle_status_filter], opts[:show_current_cycle])
+      |> Index.apply_boolean_custom_field_filters(
+        Map.get(opts, :boolean_filters, %{}),
+        Map.values(custom_fields_by_id)
+      )
+    end
+  end
+
   defp extract_list(params, key) do
     case Map.get(params, key) do
       list when is_list(list) -> list