The new prisma-client generator outputs TypeScript files to src/generated/prisma/
which include import.meta.url at module level. Turbopack sees this and marks the
entire module as a client reference, causing 'Cannot access toStringTag on the
server' on every page that uses Prisma.
Switching to prisma-client-js puts the generated client in node_modules/@prisma/client
where serverExternalPackages can properly exclude it from the server bundle.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>