Silent-Watcher/comment-todo

AI Summary: This issue proposes migrating the project's bundler from `tsup` to `tsdown`. `tsup` is no longer maintained, and `tsdown` is its recommended, actively maintained successor, offering improved performance and a TypeScript-first design, with an expected easy migration path.

AI Summary: This GitHub issue proposes migrating from the `chalk` library to Node.js's native `util.styleText` for terminal string styling. The primary motivations are to reduce external dependencies, improve installation times, and leverage built-in Node.js features. The task involves auditing existing `chalk` usage, refactoring code, removing the dependency, updating documentation, and testing the new styling.