Hide Regenerate Cycles button when no membership fee type assigned

- Button only shown when @member.membership_fee_type is set (same as Create Cycle).
- Test: no-type view asserts Regenerate Cycles button is not present.

lib/mv_web/live/member_live/show/membership_fees_component.ex

@@ -53,7 +53,7 @@ defmodule MvWeb.MemberLive.Show.MembershipFeesComponent do
         <%!-- Action Buttons (only when user has permission) --%>
         <div class="flex gap-2 mb-4">
           <.button
-            :if={@can_create_cycle}
+            :if={@member.membership_fee_type != nil and @can_create_cycle}
             phx-click="regenerate_cycles"
             phx-target={@myself}
             class={["btn btn-sm btn-outline", if(@regenerating, do: "btn-disabled", else: "")]}

test/mv_web/member_live/show_membership_fees_test.exs

@@ -117,13 +117,23 @@ defmodule MvWeb.MemberLive.ShowMembershipFeesTest do
       assert html =~ "Yearly Type"
     end
 
-    test "shows no type message when no type assigned", %{conn: conn} do
+    test "shows no type message when no type assigned and Regenerate Cycles button is hidden", %{
+      conn: conn
+    } do
       member = Mv.Fixtures.member_fixture(%{})
 
-      {:ok, _view, html} = live(conn, "/members/#{member.id}")
+      {:ok, view, html} = live(conn, "/members/#{member.id}")
 
       # Should show message about no type assigned
       assert html =~ "No membership fee type assigned" || html =~ "No type"
+
+      # Switch to membership fees tab: message and no Regenerate Cycles button
+      view
+      |> element("button[phx-click='switch_tab'][phx-value-tab='membership_fees']")
+      |> render_click()
+
+      refute has_element?(view, "button[phx-click='regenerate_cycles']"),
+             "Regenerate Cycles should be hidden when no membership fee type is assigned"
     end
   end