- new-project.sh: Use nextjs-payload-starter template, Next.js AI rules
- convert-astro.sh: Complete rewrite to migrate Astro MDX to Payload CMS Lexical JSON
- deploy.sh: Check for next.config instead of astro.config.mjs, use MONGODB_URL
- preview.sh: Check for Next.js, default port 3002
- audit-seo.sh: Check .tsx pages in src/app, Next.js config
All scripts now properly support Next.js + Payload CMS workflow.