Worked on the moltbot/moltbot repository to enhance the reliability of mobile device onboarding by addressing a critical bug in the device pairing workflow. Focused on backend development and network programming using TypeScript, the work involved refining the isLoopbackHost logic to ensure that INADDR_ANY (0.0.0.0) and IPv6 unspecified (::) addresses are no longer misclassified as loopback addresses. This adjustment prevented incorrect pairing rejections and improved URL validation for cleartext host validation during device setup. Comprehensive tests were added to cover edge cases, strengthening the codebase and aligning loopback validation with established network handling practices for mobile pairing.