More work to decommission rogue_path

app/Models/System.php

@@ -13,10 +13,28 @@ class System extends Model
 {
 	use HasFactory;
 
+	public const default = 'Discovered System';
+
 	protected $casts = [
 		'last_session' => 'datetime:Y-m-d H:i:s'
 	];
 
+	/* STATIC */
+
+	public static function createUnknownSystem(): self
+	{
+		self::unguard();
+		$so = self::firstOrCreate([
+			'name' => self::default,
+			'sysop' => 'Unknown',
+			'location' => '',
+			'active' => TRUE,
+		]);
+		self::reguard();
+
+		return $so;
+	}
+
 	/* SCOPES */
 
 	/**