refactor(backup): add robust hostname fallback and clean restore preview

restore.sh

@@ -154,8 +154,12 @@ fi
 while true; do
     echo ""
     echo "Konsole configuration files to be restored:"
-    find "${TEMP_DIR}" -mindepth 1 -maxdepth 3 | while read -r f; do
+    find "${TEMP_DIR}" -mindepth 1 | while read -r f; do
         rel="${f#"${TEMP_DIR}"/}"
+        # Skip top-level parent directories if they appear alone
+        if [ "${rel}" = ".config" ] || [ "${rel}" = ".local" ] || [ "${rel}" = ".local/share" ] || [ "${rel}" = ".local/share/kxmlgui5" ]; then
+            continue
+        fi
         echo "  - ~/${rel}"
     done
     echo ""