src/db.js imports @prisma/client at runtime, but it was listed under
devDependencies (likely merged with the `prisma` devDependency during
Task 1). A production install that omits dev dependencies would crash
on startup with a missing-module error. `prisma` (the CLI) stays a
devDependency.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>