How I Added i18n to My Next.js App Router Project

Hey everyone! I recently added multilingual support (Japanese + English) to my side project unsolved — a silly joke app that takes your everyday problems and generates a sci-fi story about how "humanity's collective wisdom" solved it. 😄 Since the concept is kind of universal (everyone has problems, right?), I wanted English-speaking users to enjoy it too. So I went ahead and implemented i18n. In this post, I'll walk through how I did it using next-intl — which turned out to be a great fit for N