Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

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

app/views/mailings/index.html.erb

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+<div class="space-y-6">
+  <div class="flex flex-wrap items-end justify-between gap-3">
+    <div>
+      <h1 class="text-2xl font-semibold tracking-tight">Email</h1>
+      <p class="mt-1 text-sm text-zinc-500">Campagne HTML con variabili, check destinatari e invio scaglionato.</p>
+    </div>
+    <div class="flex flex-wrap gap-2">
+      <%= link_to "Template", mail_templates_path, class: btn_secondary %>
+      <% if current_user.admin? %>
+        <%= link_to "Account SMTP", mail_identities_path, class: btn_secondary %>
+      <% end %>
+      <%= link_to "Nuovo invio", new_mailing_path, class: btn_primary %>
+    </div>
+  </div>
+
+  <% if @mail_identities_count.zero? %>
+    <div class="rounded-lg border border-amber-200 bg-amber-50 px-4 py-3 text-sm text-amber-900 dark:border-amber-900 dark:bg-amber-950 dark:text-amber-100">
+      Manca un account mittente SMTP.
+      <% if current_user.admin? %>
+        <%= link_to "Configuralo qui", mail_identities_path, class: "font-medium underline" %>.
+      <% else %>
+        Chiedi a un amministratore di censirlo.
+      <% end %>
+    </div>
+  <% end %>
+
+  <div class="overflow-hidden <%= card_class %>">
+    <% if @mailings.empty? %>
+      <p class="p-6 text-sm text-zinc-500">Nessun invio. Crea una bozza, spunta i destinatari e poi manda.</p>
+    <% else %>
+      <table class="<%= table_class %>">
+        <thead class="border-b border-zinc-100 bg-zinc-50 text-left text-xs font-medium uppercase tracking-wide text-zinc-500 dark:border-zinc-800 dark:bg-zinc-800 dark:text-zinc-400">
+          <tr>
+            <th class="px-4 py-3">Invio</th>
+            <th class="px-4 py-3">Mittente</th>
+            <th class="px-4 py-3">Destinatari</th>
+            <th class="px-4 py-3">Stato</th>
+            <th class="px-4 py-3">Creato</th>
+          </tr>
+        </thead>
+        <tbody class="divide-y divide-zinc-100 dark:divide-zinc-800">
+          <% @mailings.each do |mailing| %>
+            <tr class="hover:bg-zinc-50 dark:hover:bg-zinc-800/80">
+              <td class="px-4 py-3">
+                <%= link_to mailing.name, mailing, class: "font-medium hover:underline" %>
+                <% if mailing.ab_test? %>
+                  <span class="ml-1"><%= ab_variant_badge("A") %><%= ab_variant_badge("B") %></span>
+                  <div class="text-xs text-zinc-500">A: <%= mailing.subject %> · B: <%= mailing.subject_b %></div>
+                <% else %>
+                  <div class="text-xs text-zinc-500"><%= mailing.subject %></div>
+                <% end %>
+              </td>
+              <td class="px-4 py-3 text-zinc-600 dark:text-zinc-300"><%= mailing.mail_identity.from_email %></td>
+              <td class="px-4 py-3 text-sm text-zinc-600 dark:text-zinc-300">
+                <%= mailing.pending_count %> da inviare
+                · <%= mailing.sent_count %> inviate
+                <% if mailing.failed_count.positive? %>
+                  · <span class="text-rose-700"><%= mailing.failed_count %> errori</span>
+                <% end %>
+              </td>
+              <td class="px-4 py-3"><%= mailing_status_badge(mailing.status) %></td>
+              <td class="px-4 py-3 text-zinc-500"><%= format_dt(mailing.created_at) %></td>
+            </tr>
+          <% end %>
+        </tbody>
+      </table>
+    <% end %>
+  </div>
+</div>