Show HN: Built a habit tracker that I can't ignore

I built a habit tracker that actually works because it's impossible to ignore. Every day I get an email, click a link, check off my habits, and my laptop wallpaper updates with a GitHub-style heatmap showing my progress.

Open source, you can sign up at habits.timfarrelly.com or self-host: https://github.com/timf34/habit-wallpaper