- Replace signify-openbsd calls with HMAC-based signatures
(OpenWrt's signify lacks -n flag for no-passphrase)
- Fix API paths in UI: use /factory/ not /api/factory/
- Support cross-port API calls (UI on 8081, API on 7331)
- Update LuCI view to use relative /factory/ path
- Update feed with secubox-p2p 0.4.0 packages
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
