feat: possibilità di ingrandire gli elenchi delle pagine dashbaord, ticket e ticket a mio carico

public/js/views/dashboard.js

@@ -88,7 +88,19 @@ const DashboardView = {
 
         <!-- Recent Tickets -->
         <div class="card">
-          <div class="card-title">Ticket Recenti</div>
+          <div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--space-md); flex-wrap:wrap; gap:var(--space-xs);">
+            <div class="card-title" style="margin-bottom:0;">Ticket Recenti</div>
+            <div style="display:flex; align-items:center; gap:var(--space-xs); font-size:0.85rem; color:var(--text-secondary);">
+              <span>Mostra:</span>
+              <select id="dashboard-preview-limit" class="form-select" style="padding: 4px 28px 4px 8px; font-size: 0.8rem; height: 28px; min-width: 70px; margin: 0; background-position: right 8px center; border-color: var(--border-light);">
+                <option value="5" ${stats.preview_limit === 5 ? 'selected' : ''}>5</option>
+                <option value="10" ${stats.preview_limit === 10 ? 'selected' : ''}>10</option>
+                <option value="20" ${stats.preview_limit === 20 ? 'selected' : ''}>20</option>
+                <option value="50" ${stats.preview_limit === 50 ? 'selected' : ''}>50</option>
+                <option value="100" ${stats.preview_limit === 100 ? 'selected' : ''}>100</option>
+              </select>
+            </div>
+          </div>
           ${(stats.recent_tickets || []).length > 0 ? `
             <table class="recent-tickets-table">
               <thead>
@@ -132,6 +144,24 @@ const DashboardView = {
         });
       });
 
+      // Bind preview limit change event
+      const limitSelect = document.getElementById('dashboard-preview-limit');
+      if (limitSelect) {
+        limitSelect.addEventListener('change', async () => {
+          const newLimit = parseInt(limitSelect.value, 10);
+          try {
+            await App.api('/api/dashboard/settings', {
+              method: 'POST',
+              body: JSON.stringify({ preview_limit: newLimit }),
+            });
+            Toast.success(`Limite anteprima aggiornato a ${newLimit} ticket!`);
+            this.render();
+          } catch (err) {
+            Toast.error('Errore durante il salvataggio dell\'impostazione: ' + err.message);
+          }
+        });
+      }
+
       // Update open ticket count in sidebar badge
       const badge = document.getElementById('open-ticket-count');
       if (badge) {