- full email provider management (SMTP, test connection, share, default)
- recipient and recipient group management
- email templates with variable interpolation and system default
- user email preferences (provider, recipient, template defaults)
- send book via email from book list and cover card
- send log with pagination, resend on failure, delete entries
- admin email relay settings (SMTP relay, domain allow/blocklist)
- partial unique index to prevent duplicate system templates
- fix load-more pagination to append rather than replace entries
- add URI versioning: global prefix changed to api/v1, all frontend call sites updated
- add AbortSignal.timeout to all outbound fetch calls (10s API, 15s scrapers)
- add X-Request-Id response header and requestId field in error payloads
- add response compression via @fastify/compress (gzip + brotli)
- add security headers via @fastify/helmet with CSP for the Vite SPA
- tune pg pool: max 20, idle/connection/statement timeouts on app and migration pools
- add GET /api/v1/health endpoint via @nestjs/terminus with DB connectivity check
neon