Merge claude/1

Old: "Backup status — system config + every app — at a glance."
New: "Check what's protected — and when it last ran."

The em-dash chain was filler and "at a glance" was redundant on the
dashboard tab (which is the at-a-glance view). New copy leads with
what the admin is here to do.

Signed-off-by: librelad <librelad@digitalangels.vip>

containers/libreportal/frontend/js/components/backup/backup-page.js

@@ -474,7 +474,7 @@ class BackupPage {
 
     subtitleFor(tab) {
         return {
-            dashboard:     'Backup status — system config + every app — at a glance.',
+            dashboard:     "Check what's protected — and when it last ran.",
             backups:       'Every snapshot across every enabled location.',
             locations:     'Where backups are stored. Add, edit, or remove destinations.',
             migrate:       'Restore an app from another LibrePortal that shares one of your backup locations.',