🐛 Fix bugs

lib/services/notify.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
@@ -11,6 +12,10 @@ import 'notify.universal.dart' as universal_notify;
 
 // Platform-specific delegation
 Future<void> initializeLocalNotifications() async {
+  if (kIsWeb) {
+    // No local notifications on web
+    return;
+  }
   if (Platform.isWindows) {
     return windows_notify.initializeLocalNotifications();
   } else {
@@ -18,10 +23,14 @@ Future<void> initializeLocalNotifications() async {
   }
 }
 
-StreamSubscription setupNotificationListener(
+StreamSubscription? setupNotificationListener(
   BuildContext context,
   WidgetRef ref,
 ) {
+  if (kIsWeb) {
+    // No notification listener on web
+    return null;
+  }
   if (Platform.isWindows) {
     return windows_notify.setupNotificationListener(context, ref);
   } else {
@@ -33,6 +42,10 @@ Future<void> subscribePushNotification(
   Dio apiClient, {
   bool detailedErrors = false,
 }) async {
+  if (kIsWeb) {
+    // No push notification subscription on web
+    return;
+  }
   if (Platform.isWindows) {
     return windows_notify.subscribePushNotification(
       apiClient,