During November 2025, S1220080 focused on stabilizing the Preview feature’s file-watching mechanism in the increments/qiita-cli repository. By refining the watched paths and excluding unnecessary directories, S1220080 addressed EMFILE errors, reducing runtime issues and improving performance for end-users. The work involved enhancing the public API by exposing FileSystemRepo.getRootPath(), which supports integration with external tooling. Using Node.js and TypeScript, S1220080 updated the preview logic to align with the repository root and implemented chokidar ignore patterns to prevent unwanted directory monitoring. This targeted bug fix laid the groundwork for more scalable file-watching in future releases, demonstrating thoughtful engineering depth.