feat: Add scanner user association to tickets; update Ticket model, resource, migration, and tests

app/Domains/Ticket/Models/Ticket.php

@@ -24,6 +24,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
     'starts_at',
     'expires_at',
     'used_at',
+    'scanner_user_id',
     'user_id',
 ])]
 class Ticket extends Model
@@ -47,6 +48,7 @@ class Ticket extends Model
             'starts_at' => 'datetime',
             'expires_at' => 'datetime',
             'used_at' => 'datetime',
+            'scanner_user_id' => 'integer',
             'user_id' => 'integer',
         ];
     }
@@ -63,6 +65,12 @@ class Ticket extends Model
         return $this->belongsTo(User::class);
     }
 
+    /** @return BelongsTo<User, $this> */
+    public function scannerUser(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'scanner_user_id');
+    }
+
     /** @return BelongsTo<Purchase, $this> */
     public function sourcePurchase(): BelongsTo
     {