Add backup download/delete: securely download or delete Safe Update backups from the NexraOne dashboard.
0.2.0
Add Safe Update: automated WordPress core, plugin, and theme updates with backup and auto-rollback on fatal error.
Add manual rollback UI: select backup and restore files and database from the NexraOne dashboard.
Fix theme update slug to use stylesheet slug instead of display name.
Fix copy_dir_overwrite to detect file copy failures instead of silently ignoring them.
0.1.3
Add email delivery failure detection via wp_mail_failed hook (MAIL_FAIL event).
Fix mail_ok heartbeat flag to reflect actual transient state instead of hardcoded true.
0.1.2
Require explicit opt-in before executing remote update commands from NexraOne.
Require HTTPS for API URLs saved through pairing or manual connection.
Make the setup notice dismissible per administrator.
0.1.1
WordPress.org guidelines: readme (service, privacy, remote updates), text domain / i18n, renamed plugin constants, production API defaults, minor cleanup.
