fix: skip format validation for non-primary VAR_ID attributes in Sequence

Non-primary VAR_ID attributes like $tenant can be any int/string value
and should not be forced through UUID7 or Integer range checks.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: abnegate

src/Database/Validator/Sequence.php

@@ -49,6 +49,10 @@ public function isValid($value): bool
             return false;
         }
 
+        if (!$this->primary) {
+            return true;
+        }
+
         switch ($this->idAttributeType) {
             case Database::VAR_UUID7:
                 return \is_string($value) && preg_match('/^[a-f0-9]{8}-[a-f0-9]{4}-7[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$/i', $value) === 1;