Add system modification tracking for reversible installs

src/ui/duplicate_dialog.rs

@@ -131,7 +131,7 @@ pub fn show_duplicate_dialog(
             let mut removed_count = 0;
             for (record_id, record_path, _record_name, integrated) in records.iter() {
                 if *integrated {
-                    // Fetch the full record to properly remove integration
+                    integrator::undo_all_modifications(&db_confirm, *record_id).ok();
                     if let Ok(Some(full_record)) = db_confirm.get_appimage_by_id(*record_id) {
                         integrator::remove_integration(&full_record).ok();
                     }
@@ -260,6 +260,7 @@ fn build_group_widget(
             delete_btn.connect_clicked(move |btn| {
                 // Remove integration if any
                 if record_clone.integrated {
+                    integrator::undo_all_modifications(&db_ref, record_id).ok();
                     integrator::remove_integration(&record_clone).ok();
                     db_ref.set_integrated(record_id, false, None).ok();
                 }