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Prerequisites: We validated this guide with Prisma CLI 5.x, @prisma/client 5.x, drizzle-orm 0.30.x, and Node.js 18+. Run npx prisma –version to confirm your CLI version before proceeding. A PostgreSQL database is assumed. Windows users should run shell commands in Git Bash or WSL, as several commands use Unix syntax.

Complex refactoring tasks — the kind that span multiple files, cross module boundaries, and touch legacy code — remain among the hardest work to delegate to AI coding tools. Both OpenAI Codex CLI and Claude can handle these tasks, but they approach them through fundamentally different execution models.