diff --git a/public/js/app.js b/public/js/app.js
index ef98728..ae65be6 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -66,6 +66,7 @@ const App = {
       quick_edit_save: { ctrl: true, alt: false, shift: false, key: 'Enter', enabled: true },
       pdf_save_edited: { ctrl: true, alt: false, shift: false, key: 'Enter', enabled: true },
       ricerca_spudorata_open: { ctrl: true, alt: false, shift: true, key: 'f', enabled: true },
+      ticket_list_open: { ctrl: true, alt: false, shift: true, key: 'Backspace', enabled: true },
     };
     return defaults[id] || { ctrl: true, alt: false, shift: false, key: 'Enter', enabled: true };
   },
@@ -295,6 +296,11 @@ const App = {
             searchInput.select();
           }
         }
+      } else if (this.isShortcutTriggered(e, 'ticket_list_open')) {
+        if (window.location.hash !== '#/tickets' && window.location.hash !== '') {
+          e.preventDefault();
+          window.location.hash = '#/tickets';
+        }
       }
     });
 
diff --git a/public/js/views/shortcuts.js b/public/js/views/shortcuts.js
index 6374c10..c5983b2 100644
--- a/public/js/views/shortcuts.js
+++ b/public/js/views/shortcuts.js
@@ -72,6 +72,13 @@ const ShortcutsView = {
         context: 'Globale',
         defaultCombo: { ctrl: true, alt: false, shift: true, key: 'f', enabled: true }
       },
+      {
+        id: 'ticket_list_open',
+        name: 'Torna a Elenco Ticket',
+        description: 'Naviga direttamente alla pagina principale dell\'elenco ticket',
+        context: 'Globale',
+        defaultCombo: { ctrl: true, alt: false, shift: true, key: 'Backspace', enabled: true }
+      },
       {
         id: 'create_ticket_submit',
         name: 'Invia Nuovo Ticket',
diff --git a/public/js/views/ticketDetail.js b/public/js/views/ticketDetail.js
index 23ff7a8..6da781d 100644
--- a/public/js/views/ticketDetail.js
+++ b/public/js/views/ticketDetail.js
@@ -3577,7 +3577,12 @@ const TicketDetailView = {
       queueSearchInput.addEventListener('input', () => {
         clearTimeout(queueDebounce);
         const q = queueSearchInput.value.trim();
-        if (queueIdInput) queueIdInput.value = '';
+        const origQueueName = (this.originalValues['queue_name'] || '').trim();
+        if (q !== origQueueName) {
+          if (queueIdInput) queueIdInput.value = '';
+        } else {
+          if (queueIdInput) queueIdInput.value = String(this.originalValues['queue_id'] || '');
+        }
         checkChanges();
 
         queueDebounce = setTimeout(async () => {
@@ -3699,8 +3704,13 @@ const TicketDetailView = {
       saveBtn.addEventListener('click', async () => {
         const queueSearch = queueSearchInput ? queueSearchInput.value.trim() : '';
         if (queueSearchInput && !queueIdInput.value) {
-          Toast.warning('Seleziona una coda valida dall\'elenco.');
-          return;
+          const origName = (this.originalValues['queue_name'] || '').trim();
+          if (queueSearch === origName && this.originalValues['queue_id']) {
+            queueIdInput.value = String(this.originalValues['queue_id']);
+          } else {
+            Toast.warning('Seleziona una coda valida dall\'elenco.');
+            return;
+          }
         }
 
         const customerSearch = customerSearchInput ? customerSearchInput.value.trim() : '';
diff --git a/routes/tickets.js b/routes/tickets.js
index d9dbc50..bd3dcd6 100644
--- a/routes/tickets.js
+++ b/routes/tickets.js
@@ -916,8 +916,8 @@ router.patch('/:id', async (req, res) => {
       if (updates.type_id !== undefined) ticketFields.TypeID = updates.type_id;
       if (updates.title !== undefined) ticketFields.Title = updates.title;
       if (updates.ticket_lock_id !== undefined) ticketFields.LockID = updates.ticket_lock_id;
-      if (updates.customer_id !== undefined) ticketFields.CustomerID = updates.customer_id;
-      if (updates.customer_user_id !== undefined) ticketFields.CustomerUser = updates.customer_user_id;
+      if (updates.customer_id !== undefined && updates.customer_id !== null && updates.customer_id !== '') ticketFields.CustomerID = updates.customer_id;
+      if (updates.customer_user_id !== undefined && updates.customer_user_id !== null && updates.customer_user_id !== '') ticketFields.CustomerUser = updates.customer_user_id;
 
       // If ticketFields is empty but we have a note or timeUnit to log, supply a dummy field (StateID) so Ticket is not empty
       if (Object.keys(ticketFields).length === 0 && (hasNote || (!isNaN(timeUnit) && timeUnit > 0))) {
@@ -986,6 +986,7 @@ router.patch('/:id', async (req, res) => {
   const client = await pool.connect();
   try {
     await client.query('BEGIN');
+    const localNow = getLocalTimestamp();
 
     // If state is changing, check if the target state is a closed state type to auto-unlock
     if (updates.ticket_state_id && updates.ticket_state_id !== current.ticket_state_id) {