Aggiunge gestione account con cambio password su web e app.

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

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

@@ -0,0 +1,55 @@
+<% content_for :title, t("auth.account.meta_title") %>
+<% content_for :meta_description, t("auth.account.meta_description") %>
+<% content_for :robots, "noindex, nofollow" %>
+
+<section class="auth-page">
+  <h1><%= t("auth.account.title") %></h1>
+
+  <div class="card" style="margin-bottom:1.5rem">
+    <h2 style="font-size:1.1rem;margin-top:0"><%= t("auth.account.profile_heading") %></h2>
+    <%= form_with url: public_account_path, method: :patch, local: true do %>
+      <p>
+        <label for="account_email"><%= t("auth.email") %></label><br>
+        <input type="email" id="account_email" value="<%= current_user.email %>" readonly
+               class="input" autocomplete="username"
+               style="width:100%;opacity:0.75;cursor:not-allowed">
+      </p>
+      <p class="muted" style="margin-top:-0.5rem;font-size:0.9rem">
+        <%= t("auth.account.role_label", role: current_user.role) %>
+      </p>
+      <%= render "shared/input_toggle",
+            name: :name,
+            label: t("auth.account.name_label"),
+            value: current_user.name,
+            required: true,
+            autocomplete: "name",
+            masked: false %>
+      <%= submit_tag t("auth.account.save_profile"), class: "btn btn-primary" %>
+    <% end %>
+  </div>
+
+  <div class="card">
+    <h2 style="font-size:1.1rem;margin-top:0"><%= t("auth.account.password_heading") %></h2>
+    <%= form_with url: public_account_password_path, method: :patch, local: true do %>
+      <%= render "shared/input_toggle",
+            name: :current_password,
+            label: t("auth.account.current_password_label"),
+            input_type: "password",
+            required: true,
+            autocomplete: "current-password" %>
+      <%= render "shared/input_toggle",
+            name: :password,
+            label: t("auth.account.new_password_label"),
+            input_type: "password",
+            required: true,
+            autocomplete: "new-password" %>
+      <%= render "shared/input_toggle",
+            name: :password_confirmation,
+            label: t("auth.password_confirmation"),
+            input_type: "password",
+            required: true,
+            autocomplete: "new-password" %>
+      <%= submit_tag t("auth.account.save_password"), class: "btn btn-primary" %>
+    <% end %>
+  </div>
+</section>