…值为 null；更新 Retry 类中的 whenThrows 方法的默认参数格式

- Fix foreach on  in Job class by using get_object_vars()
- Fix method call type hints in Command class
- Fix preg_quote missing delimiter parameter
- Add PHPStan ignore for false positive in Dag class
- Fix instanceof check false positive in HasChunk trait

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Co-Authored-By: Claude <noreply@anthropic.com>

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