fix：app检测更新补充逻辑

lib/features/settings/application/update_progress.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_app_update/flutter_app_update.dart';
+import 'package:flutter_app_update/result_model.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+final updateProgressProvider = StateProvider<double?>((_) => null);
+final updateUrlProvider = StateProvider<String?>((_) => null);
+final updateDialogVisibleProvider = StateProvider<bool>((_) => false);
+
+bool _listenerRegistered = false;
+
+/// The native download callback can outlive the update dialog, so it uses the
+/// app's provider container instead of retaining a dialog WidgetRef.
+void ensureUpdateProgressListener(BuildContext context) {
+  if (_listenerRegistered) return;
+  _listenerRegistered = true;
+  final container = ProviderScope.containerOf(context, listen: false);
+  AzhonAppUpdate.listener((result) => applyUpdateProgress(container, result));
+}
+
+@visibleForTesting
+void applyUpdateProgress(ProviderContainer container, ResultModel result) {
+  switch (result.type) {
+    case ResultType.downloading:
+      if (result.progress == null || result.max == null || result.max == 0) {
+        container.read(updateProgressProvider.notifier).state = null;
+        break;
+      }
+      container.read(updateProgressProvider.notifier).state =
+          result.progress!.toDouble() / result.max!.toDouble();
+      break;
+    case ResultType.done:
+      container.read(updateProgressProvider.notifier).state = 1;
+      container.read(updateUrlProvider.notifier).state = result.apk;
+      break;
+    case ResultType.error:
+    case ResultType.cancel:
+      container.read(updateProgressProvider.notifier).state = null;
+      break;
+    default:
+      break;
+  }
+}