✨ Add feed subscription (wip)

🐛 linux/userinfo.dart: guard Firebase calls if Firebase is uninitialized

lib/pods/userinfo.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 import 'dart:developer';
+import 'dart:io' show Platform;
 
 import 'package:dio/dio.dart';
 import 'package:easy_localization/easy_localization.dart';
@@ -28,7 +29,10 @@ class UserInfoNotifier extends StateNotifier<AsyncValue<SnAccount?>> {
       final response = await client.get('/id/accounts/me');
       final user = SnAccount.fromJson(response.data);
       state = AsyncValue.data(user);
+
+      if (kIsWeb || !Platform.isLinux) {
         FirebaseAnalytics.instance.setUserId(id: user.id);
+      }
     } catch (error, stackTrace) {
       if (!kIsWeb) {
         if (error is DioException) {
@@ -83,9 +87,11 @@ class UserInfoNotifier extends StateNotifier<AsyncValue<SnAccount?>> {
     final prefs = _ref.read(sharedPreferencesProvider);
     await prefs.remove(kTokenPairStoreKey);
     _ref.invalidate(tokenProvider);
+    if (kIsWeb || !Platform.isLinux) {
       FirebaseAnalytics.instance.setUserId(id: null);
     }
   }
+}
 
 final userInfoProvider =
     StateNotifierProvider<UserInfoNotifier, AsyncValue<SnAccount?>>(

lib/route.dart

@@ -37,6 +37,8 @@ import 'package:island/screens/creators/stickers/stickers.dart';
 import 'package:island/screens/creators/stickers/pack_detail.dart';
 import 'package:island/screens/stickers/sticker_marketplace.dart';
 import 'package:island/screens/stickers/pack_detail.dart';
+import 'package:island/screens/discovery/feeds/feed_marketplace.dart';
+import 'package:island/screens/discovery/feeds/feed_detail.dart';
 import 'package:island/screens/creators/poll/poll_list.dart';
 import 'package:island/screens/creators/publishers.dart';
 import 'package:island/screens/creators/webfeed/webfeed_list.dart';
@@ -546,6 +548,22 @@ final routerProvider = Provider<GoRouter>((ref) {
                       ),
                     ],
                   ),
+                  GoRoute(
+                    name: 'webFeedMarketplace',
+                    path: '/feeds',
+                    builder:
+                        (context, state) => const MarketplaceWebFeedsScreen(),
+                    routes: [
+                      GoRoute(
+                        name: 'webFeedDetail',
+                        path: ':feedId',
+                        builder: (context, state) {
+                          final feedId = state.pathParameters['feedId']!;
+                          return MarketplaceWebFeedDetailScreen(id: feedId);
+                        },
+                      ),
+                    ],
+                  ),
                   GoRoute(
                     name: 'notifications',
                     path: '/account/notifications',

lib/screens/account.dart

@@ -236,6 +236,16 @@ class AccountScreen extends HookConsumerWidget {
                 context.pushNamed('stickerMarketplace');
               },
             ),
+            ListTile(
+              minTileHeight: 48,
+              leading: const Icon(Symbols.rss_feed),
+              trailing: const Icon(Symbols.chevron_right),
+              contentPadding: EdgeInsets.symmetric(horizontal: 24),
+              title: Text('webFeeds').tr(),
+              onTap: () {
+                context.pushNamed('webFeedMarketplace');
+              },
+            ),
             ListTile(
               minTileHeight: 48,
               leading: const Icon(Symbols.star),

lib/screens/discovery/feeds/feed_detail.dart

@@ -0,0 +1,189 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:gap/gap.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/models/webfeed.dart';
+import 'package:island/pods/network.dart';
+import 'package:island/widgets/alert.dart';
+import 'package:island/widgets/app_scaffold.dart';
+import 'package:material_symbols_icons/symbols.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:styled_widget/styled_widget.dart';
+
+part 'feed_detail.g.dart';
+
+/// Provider for web feed articles content
+@riverpod
+Future<List<SnWebArticle>> marketplaceWebFeedContent(
+  Ref ref, {
+  required String feedId,
+}) async {
+  final apiClient = ref.watch(apiClientProvider);
+  final resp = await apiClient.get('/sphere/feeds/$feedId/articles');
+  return (resp.data as List).map((e) => SnWebArticle.fromJson(e)).toList();
+}
+
+/// Provider for web feed subscription status
+@riverpod
+Future<bool> marketplaceWebFeedSubscription(
+  Ref ref, {
+  required String feedId,
+}) async {
+  final api = ref.watch(apiClientProvider);
+  try {
+    await api.get('/sphere/feeds/$feedId/subscription');
+    // If not 404, consider subscribed
+    return true;
+  } on Object catch (e) {
+    // Dio error handling agnostic: treat 404 as not-subscribed, rethrow others
+    final msg = e.toString();
+    if (msg.contains('404')) return false;
+    rethrow;
+  }
+}
+
+class MarketplaceWebFeedDetailScreen extends HookConsumerWidget {
+  final String id;
+  const MarketplaceWebFeedDetailScreen({super.key, required this.id});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    // TODO: Need to create a web feed provider similar to stickerPackProvider
+    // For now, we'll fetch the feed directly
+    final feedContent = ref.watch(
+      marketplaceWebFeedContentProvider(feedId: id),
+    );
+    final subscribed = ref.watch(
+      marketplaceWebFeedSubscriptionProvider(feedId: id),
+    );
+
+    // Subscribe to web feed
+    Future<void> subscribeToFeed() async {
+      final apiClient = ref.watch(apiClientProvider);
+      await apiClient.post('/sphere/feeds/$id/subscribe');
+      HapticFeedback.selectionClick();
+      ref.invalidate(marketplaceWebFeedSubscriptionProvider(feedId: id));
+      if (!context.mounted) return;
+      showSnackBar('feedSubscribed'.tr());
+    }
+
+    // Unsubscribe from web feed
+    Future<void> unsubscribeFromFeed() async {
+      final apiClient = ref.watch(apiClientProvider);
+      await apiClient.delete('/sphere/feeds/$id/subscribe');
+      HapticFeedback.selectionClick();
+      ref.invalidate(marketplaceWebFeedSubscriptionProvider(feedId: id));
+      if (!context.mounted) return;
+      showSnackBar('feedUnsubscribed'.tr());
+    }
+
+    // TODO: Replace with actual feed data provider once created
+    final dummyFeed = SnWebFeed(
+      id: id,
+      url: 'https://example.com',
+      title: 'Loading...',
+      publisherId: 'publisher-id',
+      createdAt: DateTime.now(),
+      updatedAt: DateTime.now(),
+    );
+
+    return AppScaffold(
+      appBar: AppBar(title: Text(dummyFeed.title)),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          // Feed meta
+          Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              Text(dummyFeed.description ?? ''),
+              Row(
+                spacing: 4,
+                children: [
+                  const Icon(Symbols.rss_feed, size: 16),
+                  Text('${feedContent.value?.length ?? 0} articles'),
+                ],
+              ).opacity(0.85),
+              Row(
+                spacing: 4,
+                children: [
+                  const Icon(Symbols.link, size: 16),
+                  SelectableText(dummyFeed.url),
+                ],
+              ).opacity(0.85),
+            ],
+          ).padding(horizontal: 24, vertical: 24),
+          const Divider(height: 1),
+          // Articles list
+          Expanded(
+            child: feedContent.when(
+              data:
+                  (articles) => RefreshIndicator(
+                    onRefresh:
+                        () => ref.refresh(
+                          marketplaceWebFeedContentProvider(feedId: id).future,
+                        ),
+                    child: ListView.builder(
+                      padding: const EdgeInsets.symmetric(
+                        horizontal: 24,
+                        vertical: 20,
+                      ),
+                      itemCount: articles.length,
+                      itemBuilder: (context, index) {
+                        final article = articles[index];
+                        return Card(
+                          child: ListTile(
+                            title: Text(article.title),
+                            subtitle: Text(article.author ?? ''),
+                            trailing: const Icon(Symbols.open_in_new),
+                            onTap: () {
+                              // TODO: Navigate to article detail or open URL
+                            },
+                          ),
+                        );
+                      },
+                    ),
+                  ),
+              error:
+                  (err, _) =>
+                      Text(
+                        'Error: $err',
+                      ).textAlignment(TextAlign.center).center(),
+              loading: () => const CircularProgressIndicator().center(),
+            ),
+          ),
+          Padding(
+            padding: EdgeInsets.symmetric(horizontal: 24, vertical: 8),
+            child: subscribed.when(
+              data:
+                  (isSubscribed) => FilledButton.icon(
+                    onPressed:
+                        isSubscribed ? unsubscribeFromFeed : subscribeToFeed,
+                    icon: Icon(
+                      isSubscribed ? Symbols.remove_circle : Symbols.add_circle,
+                    ),
+                    label: Text(
+                      isSubscribed ? 'unsubscribe'.tr() : 'subscribe'.tr(),
+                    ),
+                  ),
+              loading:
+                  () => const SizedBox(
+                    height: 32,
+                    width: 32,
+                    child: CircularProgressIndicator(strokeWidth: 2),
+                  ),
+              error:
+                  (_, _) => OutlinedButton.icon(
+                    onPressed: subscribeToFeed,
+                    icon: const Icon(Symbols.add_circle),
+                    label: Text('subscribe').tr(),
+                  ),
+            ),
+          ),
+          Gap(MediaQuery.of(context).padding.bottom),
+        ],
+      ),
+    );
+  }
+}

lib/screens/discovery/feeds/feed_detail.g.dart

@@ -0,0 +1,313 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'feed_detail.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$marketplaceWebFeedContentHash() =>
+    r'4e65350bff4055302e15ec14266cdebb1cd89bbe';
+
+/// Copied from Dart SDK
+class _SystemHash {
+  _SystemHash._();
+
+  static int combine(int hash, int value) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + value);
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
+    return hash ^ (hash >> 6);
+  }
+
+  static int finish(int hash) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
+    // ignore: parameter_assignments
+    hash = hash ^ (hash >> 11);
+    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
+  }
+}
+
+/// Provider for web feed articles content
+///
+/// Copied from [marketplaceWebFeedContent].
+@ProviderFor(marketplaceWebFeedContent)
+const marketplaceWebFeedContentProvider = MarketplaceWebFeedContentFamily();
+
+/// Provider for web feed articles content
+///
+/// Copied from [marketplaceWebFeedContent].
+class MarketplaceWebFeedContentFamily
+    extends Family<AsyncValue<List<SnWebArticle>>> {
+  /// Provider for web feed articles content
+  ///
+  /// Copied from [marketplaceWebFeedContent].
+  const MarketplaceWebFeedContentFamily();
+
+  /// Provider for web feed articles content
+  ///
+  /// Copied from [marketplaceWebFeedContent].
+  MarketplaceWebFeedContentProvider call({required String feedId}) {
+    return MarketplaceWebFeedContentProvider(feedId: feedId);
+  }
+
+  @override
+  MarketplaceWebFeedContentProvider getProviderOverride(
+    covariant MarketplaceWebFeedContentProvider provider,
+  ) {
+    return call(feedId: provider.feedId);
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'marketplaceWebFeedContentProvider';
+}
+
+/// Provider for web feed articles content
+///
+/// Copied from [marketplaceWebFeedContent].
+class MarketplaceWebFeedContentProvider
+    extends AutoDisposeFutureProvider<List<SnWebArticle>> {
+  /// Provider for web feed articles content
+  ///
+  /// Copied from [marketplaceWebFeedContent].
+  MarketplaceWebFeedContentProvider({required String feedId})
+    : this._internal(
+        (ref) => marketplaceWebFeedContent(
+          ref as MarketplaceWebFeedContentRef,
+          feedId: feedId,
+        ),
+        from: marketplaceWebFeedContentProvider,
+        name: r'marketplaceWebFeedContentProvider',
+        debugGetCreateSourceHash:
+            const bool.fromEnvironment('dart.vm.product')
+                ? null
+                : _$marketplaceWebFeedContentHash,
+        dependencies: MarketplaceWebFeedContentFamily._dependencies,
+        allTransitiveDependencies:
+            MarketplaceWebFeedContentFamily._allTransitiveDependencies,
+        feedId: feedId,
+      );
+
+  MarketplaceWebFeedContentProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.feedId,
+  }) : super.internal();
+
+  final String feedId;
+
+  @override
+  Override overrideWith(
+    FutureOr<List<SnWebArticle>> Function(MarketplaceWebFeedContentRef provider)
+    create,
+  ) {
+    return ProviderOverride(
+      origin: this,
+      override: MarketplaceWebFeedContentProvider._internal(
+        (ref) => create(ref as MarketplaceWebFeedContentRef),
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        feedId: feedId,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeFutureProviderElement<List<SnWebArticle>> createElement() {
+    return _MarketplaceWebFeedContentProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is MarketplaceWebFeedContentProvider && other.feedId == feedId;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, feedId.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+@Deprecated('Will be removed in 3.0. Use Ref instead')
+// ignore: unused_element
+mixin MarketplaceWebFeedContentRef
+    on AutoDisposeFutureProviderRef<List<SnWebArticle>> {
+  /// The parameter `feedId` of this provider.
+  String get feedId;
+}
+
+class _MarketplaceWebFeedContentProviderElement
+    extends AutoDisposeFutureProviderElement<List<SnWebArticle>>
+    with MarketplaceWebFeedContentRef {
+  _MarketplaceWebFeedContentProviderElement(super.provider);
+
+  @override
+  String get feedId => (origin as MarketplaceWebFeedContentProvider).feedId;
+}
+
+String _$marketplaceWebFeedSubscriptionHash() =>
+    r'2ff06a48ed7d4236b57412ecca55e94c0a0b6330';
+
+/// Provider for web feed subscription status
+///
+/// Copied from [marketplaceWebFeedSubscription].
+@ProviderFor(marketplaceWebFeedSubscription)
+const marketplaceWebFeedSubscriptionProvider =
+    MarketplaceWebFeedSubscriptionFamily();
+
+/// Provider for web feed subscription status
+///
+/// Copied from [marketplaceWebFeedSubscription].
+class MarketplaceWebFeedSubscriptionFamily extends Family<AsyncValue<bool>> {
+  /// Provider for web feed subscription status
+  ///
+  /// Copied from [marketplaceWebFeedSubscription].
+  const MarketplaceWebFeedSubscriptionFamily();
+
+  /// Provider for web feed subscription status
+  ///
+  /// Copied from [marketplaceWebFeedSubscription].
+  MarketplaceWebFeedSubscriptionProvider call({required String feedId}) {
+    return MarketplaceWebFeedSubscriptionProvider(feedId: feedId);
+  }
+
+  @override
+  MarketplaceWebFeedSubscriptionProvider getProviderOverride(
+    covariant MarketplaceWebFeedSubscriptionProvider provider,
+  ) {
+    return call(feedId: provider.feedId);
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'marketplaceWebFeedSubscriptionProvider';
+}
+
+/// Provider for web feed subscription status
+///
+/// Copied from [marketplaceWebFeedSubscription].
+class MarketplaceWebFeedSubscriptionProvider
+    extends AutoDisposeFutureProvider<bool> {
+  /// Provider for web feed subscription status
+  ///
+  /// Copied from [marketplaceWebFeedSubscription].
+  MarketplaceWebFeedSubscriptionProvider({required String feedId})
+    : this._internal(
+        (ref) => marketplaceWebFeedSubscription(
+          ref as MarketplaceWebFeedSubscriptionRef,
+          feedId: feedId,
+        ),
+        from: marketplaceWebFeedSubscriptionProvider,
+        name: r'marketplaceWebFeedSubscriptionProvider',
+        debugGetCreateSourceHash:
+            const bool.fromEnvironment('dart.vm.product')
+                ? null
+                : _$marketplaceWebFeedSubscriptionHash,
+        dependencies: MarketplaceWebFeedSubscriptionFamily._dependencies,
+        allTransitiveDependencies:
+            MarketplaceWebFeedSubscriptionFamily._allTransitiveDependencies,
+        feedId: feedId,
+      );
+
+  MarketplaceWebFeedSubscriptionProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.feedId,
+  }) : super.internal();
+
+  final String feedId;
+
+  @override
+  Override overrideWith(
+    FutureOr<bool> Function(MarketplaceWebFeedSubscriptionRef provider) create,
+  ) {
+    return ProviderOverride(
+      origin: this,
+      override: MarketplaceWebFeedSubscriptionProvider._internal(
+        (ref) => create(ref as MarketplaceWebFeedSubscriptionRef),
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        feedId: feedId,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeFutureProviderElement<bool> createElement() {
+    return _MarketplaceWebFeedSubscriptionProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is MarketplaceWebFeedSubscriptionProvider &&
+        other.feedId == feedId;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, feedId.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+@Deprecated('Will be removed in 3.0. Use Ref instead')
+// ignore: unused_element
+mixin MarketplaceWebFeedSubscriptionRef on AutoDisposeFutureProviderRef<bool> {
+  /// The parameter `feedId` of this provider.
+  String get feedId;
+}
+
+class _MarketplaceWebFeedSubscriptionProviderElement
+    extends AutoDisposeFutureProviderElement<bool>
+    with MarketplaceWebFeedSubscriptionRef {
+  _MarketplaceWebFeedSubscriptionProviderElement(super.provider);
+
+  @override
+  String get feedId =>
+      (origin as MarketplaceWebFeedSubscriptionProvider).feedId;
+}
+
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/screens/discovery/feeds/feed_marketplace.dart

@@ -0,0 +1,169 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:go_router/go_router.dart';
+import 'package:gap/gap.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/models/webfeed.dart';
+import 'package:island/pods/network.dart';
+import 'package:island/widgets/app_scaffold.dart';
+import 'package:material_symbols_icons/symbols.dart';
+import 'dart:async';
+
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:riverpod_paging_utils/riverpod_paging_utils.dart';
+
+part 'feed_marketplace.g.dart';
+
+@riverpod
+class MarketplaceWebFeedsNotifier extends _$MarketplaceWebFeedsNotifier
+    with CursorPagingNotifierMixin<SnWebFeed> {
+  String? _query;
+
+  @override
+  Future<CursorPagingData<SnWebFeed>> build({required String? query}) {
+    _query = query;
+    return fetch(cursor: null);
+  }
+
+  @override
+  Future<CursorPagingData<SnWebFeed>> fetch({required String? cursor}) async {
+    final client = ref.read(apiClientProvider);
+    final offset = cursor == null ? 0 : int.parse(cursor);
+
+    final response = await client.get(
+      '/sphere/feeds',
+      queryParameters: {
+        'offset': offset,
+        'take': 20,
+        if (_query != null && _query!.isNotEmpty) 'query': _query,
+      },
+    );
+
+    final total = int.parse(response.headers.value('X-Total') ?? '0');
+    final List<dynamic> data = response.data;
+    final feeds = data.map((e) => SnWebFeed.fromJson(e)).toList();
+
+    final hasMore = offset + feeds.length < total;
+    final nextCursor = hasMore ? (offset + feeds.length).toString() : null;
+
+    return CursorPagingData(
+      items: feeds,
+      hasMore: hasMore,
+      nextCursor: nextCursor,
+    );
+  }
+}
+
+/// Marketplace screen for browsing web feeds.
+class MarketplaceWebFeedsScreen extends HookConsumerWidget {
+  const MarketplaceWebFeedsScreen({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final query = useState<String?>(null);
+    final searchController = useTextEditingController();
+    final focusNode = useFocusNode();
+    final debounceTimer = useState<Timer?>(null);
+
+    // Clear search when query is cleared
+    useEffect(() {
+      if (query.value == null || query.value!.isEmpty) {
+        searchController.clear();
+      }
+      return null;
+    }, [query.value]);
+
+    // Clean up timer on dispose
+    useEffect(() {
+      return () {
+        debounceTimer.value?.cancel();
+      };
+    }, []);
+
+    return AppScaffold(
+      appBar: AppBar(
+        title: const Text('webFeeds').tr(),
+        actions: const [Gap(8)],
+      ),
+      body: PagingHelperView(
+        provider: marketplaceWebFeedsNotifierProvider(query: query.value),
+        futureRefreshable:
+            marketplaceWebFeedsNotifierProvider(query: query.value).future,
+        notifierRefreshable:
+            marketplaceWebFeedsNotifierProvider(query: query.value).notifier,
+        contentBuilder:
+            (data, widgetCount, endItemView) => Column(
+              children: [
+                // Search bar above the list
+                Padding(
+                  padding: const EdgeInsets.all(16),
+                  child: SearchBar(
+                    elevation: WidgetStateProperty.all(4),
+                    controller: searchController,
+                    focusNode: focusNode,
+                    hintText: 'search'.tr(),
+                    leading: const Icon(Symbols.search),
+                    padding: WidgetStateProperty.all(
+                      const EdgeInsets.symmetric(horizontal: 24),
+                    ),
+                    onTapOutside:
+                        (_) => FocusManager.instance.primaryFocus?.unfocus(),
+                    trailing: [
+                      if (query.value != null && query.value!.isNotEmpty)
+                        IconButton(
+                          icon: const Icon(Symbols.close),
+                          onPressed: () {
+                            query.value = null;
+                            searchController.clear();
+                            focusNode.unfocus();
+                          },
+                        ),
+                    ],
+                    onChanged: (value) {
+                      // Debounce search to avoid excessive API calls
+                      debounceTimer.value?.cancel();
+                      debounceTimer.value = Timer(
+                        const Duration(milliseconds: 500),
+                        () {
+                          query.value = value.isEmpty ? null : value;
+                        },
+                      );
+                    },
+                    onSubmitted: (value) {
+                      query.value = value.isEmpty ? null : value;
+                      focusNode.unfocus();
+                    },
+                  ),
+                ),
+                Expanded(
+                  child: ListView.builder(
+                    padding: EdgeInsets.zero,
+                    itemCount: widgetCount,
+                    itemBuilder: (context, index) {
+                      if (index == widgetCount - 1) {
+                        return endItemView;
+                      }
+
+                      final feed = data.items[index];
+                      return ListTile(
+                        title: Text(feed.title),
+                        subtitle: Text(feed.description ?? ''),
+                        trailing: const Icon(Symbols.chevron_right),
+                        onTap: () {
+                          // Navigate to web feed detail page
+                          context.pushNamed(
+                            'webFeedDetail',
+                            pathParameters: {'feedId': feed.id},
+                          );
+                        },
+                      );
+                    },
+                  ),
+                ),
+              ],
+            ),
+      ),
+    );
+  }
+}

lib/screens/discovery/feeds/feed_marketplace.g.dart

@@ -0,0 +1,180 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'feed_marketplace.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$marketplaceWebFeedsNotifierHash() =>
+    r'dbf885d95570ca9c2259a58998975db813b18cbb';
+
+/// Copied from Dart SDK
+class _SystemHash {
+  _SystemHash._();
+
+  static int combine(int hash, int value) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + value);
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
+    return hash ^ (hash >> 6);
+  }
+
+  static int finish(int hash) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
+    // ignore: parameter_assignments
+    hash = hash ^ (hash >> 11);
+    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
+  }
+}
+
+abstract class _$MarketplaceWebFeedsNotifier
+    extends BuildlessAutoDisposeAsyncNotifier<CursorPagingData<SnWebFeed>> {
+  late final String? query;
+
+  FutureOr<CursorPagingData<SnWebFeed>> build({required String? query});
+}
+
+/// See also [MarketplaceWebFeedsNotifier].
+@ProviderFor(MarketplaceWebFeedsNotifier)
+const marketplaceWebFeedsNotifierProvider = MarketplaceWebFeedsNotifierFamily();
+
+/// See also [MarketplaceWebFeedsNotifier].
+class MarketplaceWebFeedsNotifierFamily
+    extends Family<AsyncValue<CursorPagingData<SnWebFeed>>> {
+  /// See also [MarketplaceWebFeedsNotifier].
+  const MarketplaceWebFeedsNotifierFamily();
+
+  /// See also [MarketplaceWebFeedsNotifier].
+  MarketplaceWebFeedsNotifierProvider call({required String? query}) {
+    return MarketplaceWebFeedsNotifierProvider(query: query);
+  }
+
+  @override
+  MarketplaceWebFeedsNotifierProvider getProviderOverride(
+    covariant MarketplaceWebFeedsNotifierProvider provider,
+  ) {
+    return call(query: provider.query);
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'marketplaceWebFeedsNotifierProvider';
+}
+
+/// See also [MarketplaceWebFeedsNotifier].
+class MarketplaceWebFeedsNotifierProvider
+    extends
+        AutoDisposeAsyncNotifierProviderImpl<
+          MarketplaceWebFeedsNotifier,
+          CursorPagingData<SnWebFeed>
+        > {
+  /// See also [MarketplaceWebFeedsNotifier].
+  MarketplaceWebFeedsNotifierProvider({required String? query})
+    : this._internal(
+        () => MarketplaceWebFeedsNotifier()..query = query,
+        from: marketplaceWebFeedsNotifierProvider,
+        name: r'marketplaceWebFeedsNotifierProvider',
+        debugGetCreateSourceHash:
+            const bool.fromEnvironment('dart.vm.product')
+                ? null
+                : _$marketplaceWebFeedsNotifierHash,
+        dependencies: MarketplaceWebFeedsNotifierFamily._dependencies,
+        allTransitiveDependencies:
+            MarketplaceWebFeedsNotifierFamily._allTransitiveDependencies,
+        query: query,
+      );
+
+  MarketplaceWebFeedsNotifierProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.query,
+  }) : super.internal();
+
+  final String? query;
+
+  @override
+  FutureOr<CursorPagingData<SnWebFeed>> runNotifierBuild(
+    covariant MarketplaceWebFeedsNotifier notifier,
+  ) {
+    return notifier.build(query: query);
+  }
+
+  @override
+  Override overrideWith(MarketplaceWebFeedsNotifier Function() create) {
+    return ProviderOverride(
+      origin: this,
+      override: MarketplaceWebFeedsNotifierProvider._internal(
+        () => create()..query = query,
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        query: query,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeAsyncNotifierProviderElement<
+    MarketplaceWebFeedsNotifier,
+    CursorPagingData<SnWebFeed>
+  >
+  createElement() {
+    return _MarketplaceWebFeedsNotifierProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is MarketplaceWebFeedsNotifierProvider && other.query == query;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, query.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+@Deprecated('Will be removed in 3.0. Use Ref instead')
+// ignore: unused_element
+mixin MarketplaceWebFeedsNotifierRef
+    on AutoDisposeAsyncNotifierProviderRef<CursorPagingData<SnWebFeed>> {
+  /// The parameter `query` of this provider.
+  String? get query;
+}
+
+class _MarketplaceWebFeedsNotifierProviderElement
+    extends
+        AutoDisposeAsyncNotifierProviderElement<
+          MarketplaceWebFeedsNotifier,
+          CursorPagingData<SnWebFeed>
+        >
+    with MarketplaceWebFeedsNotifierRef {
+  _MarketplaceWebFeedsNotifierProviderElement(super.provider);
+
+  @override
+  String? get query => (origin as MarketplaceWebFeedsNotifierProvider).query;
+}
+
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/screens/stickers/sticker_marketplace.g.dart

@@ -7,7 +7,7 @@ part of 'sticker_marketplace.dart';
 // **************************************************************************
 
 String _$marketplaceStickerPacksNotifierHash() =>
-    r'711eafeadf488485521563d0831676c51772d13c';
+    r'3bde76e18bb024f45ff6261fe735cdba97b02808';
 
 /// Copied from Dart SDK
 class _SystemHash {