Rafforza i requisiti password con regole di complessità di mercato.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/views/public/accounts/show.html.erb

@@ -30,6 +30,7 @@
 
   <div class="card">
     <h2 style="font-size:1.1rem;margin-top:0"><%= t("auth.account.password_heading") %></h2>
+    <p class="muted" style="font-size:0.9rem"><%= t("password_policy.hint") %></p>
     <%= form_with url: public_account_password_path, method: :patch, local: true do %>
       <%= render "shared/input_toggle",
             name: :current_password,