upgrade deps

apps/weblibre/lib/features/geckoview/features/browser/presentation/widgets/browser_menu_sheet.dart

@@ -1678,7 +1678,7 @@ class _ExportExpansion extends ConsumerWidget {
                 fileName,
               ) async {
                 await FilePicker.saveFile(
-                  fileName: fileName,
+                  fileName: fileName ?? 'page',
                   type: FileType.custom,
                   allowedExtensions: ['md'],
                   bytes: utf8.encode(content),

apps/weblibre/lib/features/geckoview/features/browser/presentation/widgets/tab_menu.dart

@@ -599,7 +599,7 @@ class TabMenu extends HookConsumerWidget {
                 icon: const Icon(MdiIcons.languageMarkdown),
                 shareMarkdownAction: (content, fileName) async {
                   await FilePicker.saveFile(
-                    fileName: fileName,
+                    fileName: fileName ?? 'page',
                     type: FileType.custom,
                     allowedExtensions: ['md'],
                     bytes: utf8.encode(content),

apps/weblibre/lib/features/proxy/domain/services/proxy_input_consumer.dart

@@ -18,7 +18,6 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter_singbox_proxy/flutter_singbox_proxy.dart';
@@ -160,15 +159,8 @@ class ProxyInputConsumer extends _$ProxyInputConsumer {
   }
 
   Future<String> _readFileText(PlatformFile file) async {
-    final bytes = file.bytes;
-    if (bytes != null) {
-      return utf8.decode(bytes, allowMalformed: true);
-    }
-    final path = file.path;
-    if (path == null) {
-      throw const FormatException('Unable to read file contents.');
-    }
-    return File(path).readAsString();
+    final bytes = await file.readAsBytes();
+    return utf8.decode(bytes, allowMalformed: true);
   }
 
   @override

apps/weblibre/lib/features/proxy/presentation/widgets/add_proxy_method_sheet.dart

@@ -301,8 +301,7 @@ Future<AddProxyAction?> _consumeFile(
   WidgetRef ref,
   ProxyFileImportKind kind,
 ) async {
-  final result = await FilePicker.pickFiles(withData: true);
-  final picked = result?.files.singleOrNull;
+  final picked = await FilePicker.pickFile();
   if (picked == null) return null;
 
   final outcome = await ref