The directory form (public/dev-doc/index.html) only resolved at a clean
/dev-doc under nginx; in Vite dev the extensionless path hit the SPA
fallback (router "No match" warning). Flat files serve identically in
dev and prod at /dev-doc.html and /review-doc.html. dist/ rebuilt.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
