Worked on the MeanderingProgrammer/neovim repository to enhance the reliability of its file watching subsystem, specifically addressing edge cases in single-file workflows. Focused on back end development and file system management using Lua, the work involved refining the logic that handles path joins to prevent invalid paths and filesystem errors. By introducing a check to determine if a watched path is a directory before joining filenames, the update eliminated runtime errors such as ENOTDIR and nonsensical paths. The solution was implemented through localized, well-documented code changes, resulting in more stable behavior for plugin users and improved support for single-file operations.