Fixes
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Stack:allnextjs 9node 4postgres 4vercel 3react 2supabase 2vite 2windows 2anthropic 1git-bash 1javascript 1mcp 1neon 1npm 1powershell 1stripe 1
New Vercel environment variable is undefined in production
#6process.env.MY_VAR is undefined on the live site even though it was added in the Vercel dashboard.
Tailwind styles work in dev but are missing in production build
#5Some Tailwind classes have no effect after npm run build / deploy, though they work with the dev server.