fix: make-global keeps the backup sentence on a failure on page 2+ (ruling P14)

failedOn() replaced the hint for a failure after earlier pages were
replaced, so the "Sicherung X liegt im Papierkorb" sentence of the failed
page's backup was lost. The hint now leads with it when a backup exists.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7

src/Integrations/Divi/Library/LibraryMakeGlobalAbility.php

@@ -531,11 +531,14 @@ final class LibraryMakeGlobalAbility implements Ability
             $rest === [] ? 'keine weiteren' : implode(', ', $rest)
         );
 
-        return $e->withDetails(
-            $details,
-            'Den Stand mit lit/library-find-similar neu prüfen und nur die übrigen Seiten mit neuem tree_rev ersetzen.',
-            $e->rolledBack ? $state : null
-        );
+        // Ruling P14: a backup of page N (revisions off) stays named – its sentence leads the hint.
+        $hint = 'Den Stand mit lit/library-find-similar neu prüfen und nur die übrigen Seiten mit neuem tree_rev '
+            . 'ersetzen.';
+        if (isset($e->details['backup_id']) && $e->hint !== null) {
+            $hint = $e->hint . ' ' . $hint;
+        }
+
+        return $e->withDetails($details, $hint, $e->rolledBack ? $state : null);
     }
 
     /** Pages visitors see (or will see): changes there get VisibleEdits' restore point (P8a statuses). */