Remove hardcoded encryption fallback and Postgres password defaults
flagged by GitGuardian. ENCRYPTION_SECRET and DATABASE_URL are now
required env vars that throw on missing rather than falling back to
insecure defaults.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Port rbooks-online (Next.js + React) as an rSpace module with Hono routes,
vanilla web components, and shared PostgreSQL schema. Includes library grid
(folk-book-shelf), flipbook PDF reader (folk-book-reader), upload with
EncryptID auth, IndexedDB caching, and standalone deployment support.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>