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Summary by Bito

• Introduces a comprehensive new order processing module in test2.java, including asynchronous order processing, logic for order status based on input order identifier, and an email notification mechanism.
• Adds test cases to validate the functionality and improve overall system robustness.
• Overall summary: Introduces a new order processing module in test2.java with asynchronous processing, status logic, email integration, and adds test cases, laying the foundation for enhanced order management and future modular improvements.