DeployDoctor

Triage Next.js/Vercel build errors and scan public GitHub repos for deploy-breaking mistakes. **What it does** - Paste a sanitized build log: get the matched lines, likely cause, official docs and steps to verify the fix (Module not found, npm ERESOLVE, React hydration mismatch). - Give it a public GitHub repo: finds case-sensitive imports that only work on macOS, undeclared packages, missing env vars, server/client boundary mistakes and Prisma without `prisma generate`. **Good to know** - Rem