fix

ui/flutter/lib/app/modules/app/controllers/app_controller.dart

@@ -337,7 +337,8 @@ class AppController extends GetxController with WindowListener, TrayListener {
       if (uri.path == "/create") {
         final params = uri.queryParameters["params"];
         if (params?.isNotEmpty == true) {
-          final paramsJson = String.fromCharCodes(base64Decode(params!));
+          final paramsJson =
+              String.fromCharCodes(base64Decode(base64.normalize(params!)));
           Get.rootDelegate.offAndToNamed(Routes.REDIRECT,
               arguments: RedirectArgs(Routes.CREATE,
                   arguments:

ui/flutter/lib/util/browser_extension_host/entry/browser_extension_host_native.dart

@@ -36,7 +36,12 @@ Future<void> doInstallHost() async {
   // Check if host binary is not installed
   if (!await File(hostPath).exists()) {
     final hostData = await getHostAssetData();
-    await File(hostPath).writeAsBytes(hostData);
+    final file = File(hostPath);
+    await file.writeAsBytes(hostData);
+    // Add execute permission
+    if (!Platform.isWindows) {
+      await Process.run('chmod', ['+x', hostPath]);
+    }
     return;
   }
   // Check if host binary is outdated