Worked on the neondatabase/neon repository to enhance control plane usability and reliability during chaos migrations. Addressed a race condition in the storage controller by refining validation logic to handle concurrent state transitions, which prevented panics and assertion failures when migrating shards that had already been processed. Improved documentation by updating the README to clarify that the --pg-version flag is not required for cargo neon init, reducing user confusion and potential errors. Utilized Rust for system programming and debugging, with Markdown for documentation updates. The work focused on minimizing technical debt while delivering measurable improvements in migration stability and user experience.