refactor: consistend subheadings

lib/mv_web/live/user_live/form.ex

@@ -53,7 +53,6 @@ defmodule MvWeb.UserLive.Form do
           </.button>
         </:leading>
         {@page_title}
-        <:subtitle>{gettext("Use this form to manage user records in your database.")}</:subtitle>
         <:actions>
           <.button
             form="user-form"
@@ -80,7 +79,7 @@ defmodule MvWeb.UserLive.Form do
             />
           </div>
         <% end %>
-        
+
     <!-- Password Section -->
         <div class="mt-6">
           <label class="flex items-center space-x-2">
@@ -117,7 +116,7 @@ defmodule MvWeb.UserLive.Form do
                 required
                 autocomplete="new-password"
               />
-              
+
     <!-- Only show password confirmation for new users (register_with_password) -->
               <%= if !@user do %>
                 <.input
@@ -168,7 +167,7 @@ defmodule MvWeb.UserLive.Form do
             <% end %>
           <% end %>
         </div>
-        
+
     <!-- Member Linking Section (admin only: only admins can link/unlink users to members) -->
         <%= if @can_manage_member_linking do %>
           <div class="mt-6">

lib/mv_web/live/user_live/index.html.heex

@@ -1,6 +1,7 @@
 <Layouts.app flash={@flash} current_user={@current_user}>
   <.header>
     {gettext("Users")}
+    <:subtitle>{gettext("Manage users and their permissions.")}</:subtitle>
     <:actions>
       <%= if can?(@current_user, :create, Mv.Accounts.User) do %>
         <.button variant="primary" navigate={~p"/users/new"} data-testid="user-new">