Worked on the SagerNet/gvisor repository to deliver a configurable restore spec validation feature aimed at enhancing disaster recovery workflows. Implemented a new boolean flag, UnsafeSkipRestoreSpecValidation, within the Config struct using Go, allowing users to optionally bypass strict restore spec validation during the restore process. This approach preserved backward compatibility by making the flag opt-in, ensuring existing behavior remained unchanged unless explicitly configured. The change was introduced in a single, focused commit to maintain a minimal and auditable code surface. Leveraged skills in configuration management, containerization, and system programming to provide greater flexibility for controlled recovery scenarios.