++ fix prioritario display and add link sent toggle

app/Models/Assegnazione.php

@@ -19,6 +19,7 @@ class Assegnazione extends Model
         'counted_in_campaign',
         'campaign_id',
         'pdf_access_code',
+        'link_sent',
         'note',
         'created_by',
         'returned_by',
@@ -30,6 +31,7 @@ class Assegnazione extends Model
             'assigned_at' => 'date',
             'returned_at' => 'date',
             'counted_in_campaign' => 'boolean',
+            'link_sent' => 'boolean',
         ];
     }
 
@@ -117,6 +119,11 @@ class Assegnazione extends Model
         return route('assignments.pdf.short', ['code' => $this->ensurePdfAccessCode()]);
     }
 
+    public function markLinkSent(): void
+    {
+        $this->forceFill(['link_sent' => true])->saveQuietly();
+    }
+
     // ─── Scopes ─────────────────────────────────────────────────
 
     public function scopeAperte($query)