- split email into EmailSend (read/send) and ManageEmail (SMTP config); fix providers tab to be read-only for EmailSend
- add library reassignment to admin user form (GET/PUT /users/:id/libraries)
- hide Download, Edit Metadata, Delete actions throughout UI based on user permissions
- redirect non-manage_libraries users away from Libraries settings
- add audiobook reader with playback queue, progress tracking, and audio settings
- add narrator support with DB schema, module, and metadata extraction
- add Audible and Audnexus metadata providers with mappers and tests
- improve scanner with file classification, walk utilities, and file-event processing
- extend upload validator and processor for audio formats
- add tooltips to all header icons (search, upload, appearance, settings, theme toggle, sidebar trigger)
- fix appearance popover by moving Tooltip outside Popover
- add POST /api/books/export endpoint to zip and download books
- add POST /api/books/bulk-refresh-metadata and bulk-re-extract-cover endpoints
- add BulkBookIdsDto and ExportBooksDto
- add archiver dependency for zip streaming
- update theme CSS variables and component styles across client
- 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