The server-side onExtensionBeforeUpdate backup runs synchronously and
cannot drive a browser modal, so nothing ever 'popped'. Add a client
notice + on-demand live-progress modal on com_joomlaupdate and
com_installer(view=update):
- plg_system_mokosuitebackup gains onBeforeCompileHead, which injects a
'back up before you update' notice + Back up now button on the update
pages (gated by show_update_notice + backup_before_update), plus a new
media JS asset that runs the same stepped backup as the dashboard
(ajax.init then a loop of ajax.step) with a dependency-free progress
overlay.
- New AjaxController::preupdateAck() arms the same 10-min throttle key
runPreActionBackup() checks, so proceeding with Joomla's update after a
modal backup does not run a duplicate server-side backup.
- Plugin manifest registers the new media/js folder; language keys added.
Phase-1 baseline (notice + on-demand). Auto-intercepting the Update
button is the planned phase-2 follow-up (#196).
Refs #196
Claude-Session: https://claude.ai/code/session_01WbGBN9VyRK61zczYWcCQ2i
jmiller