Show HN: A desktop app that blocks work when you bite your nails
Summary
Show HN covers TrackHands, a cross‑platform desktop app that detects when fingers approach the mouth to remind users to stop nail-biting. It uses MediaPipe for detection, with a stack including React for the UI and Rust via Tauri for the backend, emphasizing local processing and privacy. The post details installation, features, project structure, and how to run and contribute.