My Biggest Mistake: Why You Should i18n Your...

My Biggest Mistake: Why You Should i18n Your Next.js App From Day One I built a split-bill application called FAMI-KAN (originally for the Japanese market) using Next.js 15 App Router and Supabase. Since I built it mostly through "Vibe Coding" (coding iteratively with AI agents like Claude/Gemini), feature development was incredibly fast. I have absolutely zero professional programming experience, yet AI allowed me to build a fully functional product. I thought I was a genius. Then, X (Twitter)