Three small build-time fixes surfaced when the Docker images first ran
their full production build (previously only dev mode via tsx):
- packages/shared: exclude *.test.ts from tsc (vitest types not needed
for shipped output), add @types/node dep so node:crypto resolves
- packages/db: add @types/node dep for the same reason
- apps/web: pin Next.js Turbopack root to the workspace root via
next.config.ts so the bundler doesn't fail to detect the monorepo
layout from inside the Docker image
