In December 2024, Christian Obittner refactored the edgelesssys/contrast repository by modularizing the verification logic, moving it from the CLI into a dedicated SDK package. This approach established a single source of truth for verification, enabling both CLI and future SDK clients to reuse the logic efficiently. By marking the SDK as unstable and internal, Christian allowed for safer experimentation and signaled potential breaking API changes as the interface matures. The work leveraged Go, build tags, and Go modules, laying the groundwork for scalable SDK adoption and simplifying downstream integrations, while maintaining consistent CLI behavior throughout the transition.