Add --passWithNoTests to all vitest test scripts so packages without
test files don't fail CI. Add .prettierignore for auto-generated files
(next-env.d.ts, dist, drizzle, .next). All quality gates now pass:
typecheck, lint, format:check, test, build (18/18 packages).
Closes#9
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
