Add system modification tracking for reversible installs

src/ui/detail_view.rs

@@ -969,6 +969,7 @@ fn build_system_tab(record: &AppImageRecord, db: &Rc<Database>, toast_overlay: &
                 },
             );
         } else {
+            integrator::undo_all_modifications(&db_ref, record_id).ok();
             integrator::remove_integration(&record_clone).ok();
             db_ref.set_integrated(record_id, false, None).ok();
         }

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();
                 }

src/ui/integration_dialog.rs

@@ -192,7 +192,7 @@ pub fn show_integration_dialog(
 
     dialog.connect_response(None, move |_dialog, response| {
         if response == "integrate" {
-            match integrator::integrate(&record_clone) {
+            match integrator::integrate_tracked(&record_clone, &db_ref) {
                 Ok(result) => {
                     if let Some(ref icon_path) = result.icon_install_path {
                         log::info!("Icon installed to: {}", icon_path.display());