I Vibe Coded an R Package

Learning Japanese means memorizing thousands of characters, some of which look nearly identical. I wanted a way to visualize which kanji are similar to each other, and for once there wasn’t an R package for this, so I built one using Claude Code for $20 and an afternoon’s work. I got a fully-documented package with mocked tests, complete API coverage, caching, and graph visualizations. I won’t…