fix(linux): fix KWin script startup crash and embed type-2 ELF runtime in AppImage

desktop/daemon/src/main.rs

@@ -115,16 +115,14 @@ fn main() -> ExitCode {
     // costs — on a Wayland session, XWayland clients only.
     let (tx, rx) = std::sync::mpsc::channel();
 
+    let watcher_conn = blocker_platform_linux::watcher::serve(tx.clone()).ok();
+    if watcher_conn.is_some() {
+        println!("owning the D-Bus name {BUS_NAME}");
+    }
+
     if let Ok(backend) = blocker_platform_linux::kwin::KwinBackend::connect() {
         println!("backend: kwin — native Wayland windows are visible");
-        let _keep_connection = match blocker_platform_linux::watcher::serve(tx) {
-            Ok(c) => c,
-            Err(e) => {
-                eprintln!("blocker-daemon: cannot own {BUS_NAME}: {e}");
-                return ExitCode::FAILURE;
-            }
-        };
-        println!("owning the D-Bus name; entering the event loop");
+        let _keep_connection = watcher_conn;
         run_loop(&rx, &schedules, &usage, &context, blocker_platform_linux::Enforcement::Freeze);
         backend.shutdown();
         return ExitCode::SUCCESS;

desktop/platform-linux/src/kwin.rs

@@ -126,9 +126,8 @@ workspace.windowActivated.connect(reportFocus);
 
 // Report whatever is already focused, so the daemon starts with a correct state
 // instead of waiting for the user to alt-tab.
-for (var i = 0; i < workspace.windowList().length; i++) {
-    var w = workspace.windowList()[i];
-    if (w.active) { reportFocus(w); break; }
+if (workspace.activeWindow) {
+    reportFocus(workspace.activeWindow);
 }
 "#;