Fix queue handoff so tickets keep their number across services.

Handoff now frees the counter, ends the service session, and requeues
the same ticket for the next department — critical for hospital flows
like doctor → lab.

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

app/Services/Qms/QueueNotificationService.php

@@ -44,6 +44,11 @@ class QueueNotificationService
         $this->notify($ticket, 'missed', $this->message('missed', $ticket));
     }
 
+    public function ticketTransferred(Ticket $ticket): void
+    {
+        $this->notify($ticket, 'transferred', $this->message('transferred', $ticket));
+    }
+
     public function appointmentReminder(\App\Models\QueueAppointment $appointment): void
     {
         $message = "Reminder: your appointment at {$appointment->scheduled_at->format('M j, H:i')} is coming up. Ref: {$appointment->reference}";