App pack event filtering fix

lib/constants/app_constants.dart

@@ -12,6 +12,33 @@ const kFranzapPubkey =
 /// Identifier for storing user bookmarks
 const kAppBookmarksIdentifier = 'zapstore-bookmarks';
 
+/// Event filter for app packs - excludes bookmarks and packs with zero App references
+bool appPackEventFilter(Map<String, dynamic> event) {
+  final tags = event['tags'] as List<dynamic>?;
+  if (tags == null) return false;
+
+  // Check for bookmarks identifier in 'd' tag
+  for (final tag in tags) {
+    if (tag is List && tag.isNotEmpty && tag[0] == 'd') {
+      if (tag.length > 1 && tag[1] == kAppBookmarksIdentifier) {
+        return false;
+      }
+    }
+  }
+
+  // Check for at least one 'a' tag starting with '32267:' (App kind)
+  for (final tag in tags) {
+    if (tag is List && tag.isNotEmpty && tag[0] == 'a') {
+      if (tag.length > 1 && tag[1] is String && tag[1].startsWith('32267:')) {
+        return true;
+      }
+    }
+  }
+
+  // No valid App references found
+  return false;
+}
+
 /// Amber signer package ID
 const kAmberPackageId = 'com.greenart7c3.nostrsigner';
 

lib/screens/user_screen.dart

@@ -60,7 +60,11 @@ class UserScreen extends HookConsumerWidget {
         authors: {pubkey},
         limit: 20,
         and: (pack) => {pack.apps},
-        source: const LocalAndRemoteSource(stream: false, relays: 'social'),
+        source: LocalAndRemoteSource(
+          stream: false,
+          relays: 'social',
+          eventFilter: appPackEventFilter,
+        ),
         andSource: const LocalAndRemoteSource(
           relays: 'AppCatalog',
           stream: false,
@@ -68,16 +72,8 @@ class UserScreen extends HookConsumerWidget {
         subscriptionPrefix: 'user-packs',
       ),
     );
-    final packs =
-        appPacksState.models
-            .where((p) => p.identifier != kAppBookmarksIdentifier)
-            .where(
-              (p) => p.apps.toList().any(
-                (a) => a.name != null || a.identifier.isNotEmpty,
-              ),
-            )
-            .toList()
-          ..sort((a, b) => b.event.createdAt.compareTo(a.event.createdAt));
+    final packs = appPacksState.models
+      ..sort((a, b) => b.event.createdAt.compareTo(a.event.createdAt));
 
     return Scaffold(
       body: SafeArea(

lib/widgets/app_pack_container.dart

@@ -27,9 +27,10 @@ class AppPackContainer extends HookConsumerWidget {
       query<AppPack>(
         limit: 20,
         and: (pack) => {pack.apps},
-        source: const LocalAndRemoteSource(
+        source: LocalAndRemoteSource(
           stream: true,
           relays: 'social',
+          eventFilter: appPackEventFilter,
         ),
         andSource: const LocalAndRemoteSource(
           relays: 'AppCatalog',
@@ -41,15 +42,7 @@ class AppPackContainer extends HookConsumerWidget {
 
     final packs = switch (appPacksState) {
       StorageData(:final models) =>
-        models
-            .where((p) => p.identifier != kAppBookmarksIdentifier)
-            .where(
-              (p) => p.apps.toList().any(
-                (a) => a.name != null || a.identifier.isNotEmpty,
-              ),
-            )
-            .toList()
-          ..sort((a, b) => b.event.createdAt.compareTo(a.event.createdAt)),
+        models..sort((a, b) => b.event.createdAt.compareTo(a.event.createdAt)),
       _ => <AppPack>[],
     };