Implemented per stream subscription recovery with polling fallback

lib/providers/profile_provider.dart

@@ -6,6 +6,7 @@ import 'package:supabase_flutter/supabase_flutter.dart';
 import '../models/profile.dart';
 import 'auth_provider.dart';
 import 'supabase_provider.dart';
+import 'stream_recovery.dart';
 
 final currentUserIdProvider = Provider<String?>((ref) {
   final authState = ref.watch(authStateChangesProvider);
@@ -23,20 +24,43 @@ final currentProfileProvider = StreamProvider<Profile?>((ref) {
     return const Stream.empty();
   }
   final client = ref.watch(supabaseClientProvider);
-  return client
-      .from('profiles')
-      .stream(primaryKey: ['id'])
-      .eq('id', userId)
-      .map((rows) => rows.isEmpty ? null : Profile.fromMap(rows.first));
+
+  final wrapper = StreamRecoveryWrapper<Profile?>(
+    stream: client.from('profiles').stream(primaryKey: ['id']).eq('id', userId),
+    onPollData: () async {
+      final data = await client
+          .from('profiles')
+          .select()
+          .eq('id', userId)
+          .maybeSingle();
+      return data == null ? [] : [Profile.fromMap(data)];
+    },
+    fromMap: Profile.fromMap,
+  );
+
+  ref.onDispose(wrapper.dispose);
+  return wrapper.stream.map((result) {
+    return result.data.isEmpty ? null : result.data.first;
+  });
 });
 
 final profilesProvider = StreamProvider<List<Profile>>((ref) {
   final client = ref.watch(supabaseClientProvider);
-  return client
-      .from('profiles')
-      .stream(primaryKey: ['id'])
-      .order('full_name')
-      .map((rows) => rows.map(Profile.fromMap).toList());
+
+  final wrapper = StreamRecoveryWrapper<Profile>(
+    stream: client
+        .from('profiles')
+        .stream(primaryKey: ['id'])
+        .order('full_name'),
+    onPollData: () async {
+      final data = await client.from('profiles').select().order('full_name');
+      return data.map(Profile.fromMap).toList();
+    },
+    fromMap: Profile.fromMap,
+  );
+
+  ref.onDispose(wrapper.dispose);
+  return wrapper.stream.map((result) => result.data);
 });
 
 /// Controller for the current user's profile (update full name / password).