Render mobile agent mention chips

mobile/lib/features/activity/activity_page.dart

@@ -5,6 +5,8 @@ import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:lucide_icons_flutter/lucide_icons.dart';
 
+import '../../shared/mentions/agent_identity_provider.dart';
+import '../../shared/mentions/mention_tags.dart';
 import '../../shared/relay/relay.dart';
 import '../../shared/theme/theme.dart';
 import '../../shared/utils/string_utils.dart';
@@ -87,8 +89,16 @@ class ActivityPage extends HookConsumerWidget {
     ];
 
     // Preload sender profiles for visible rows.
-    final pubkeys = visibleItems.map((i) => i.item.pubkey).toSet().toList();
-    ref.read(userCacheProvider.notifier).preload(pubkeys);
+    final preloadPubkeys = {
+      for (final item in visibleItems) item.item.pubkey.toLowerCase(),
+      for (final item in visibleItems)
+        ...mentionedPubkeysFromTags(item.item.tags),
+    }.toList()..sort();
+    final preloadPubkeysKey = preloadPubkeys.join('\u0000');
+    useEffect(() {
+      ref.read(userCacheProvider.notifier).preload(preloadPubkeys);
+      return null;
+    }, [preloadPubkeysKey]);
 
     final unreadVisibleCount = visibleItems.where((i) => !isDone(i)).length;
 

mobile/lib/features/activity/activity_page/inbox_row.dart

@@ -61,6 +61,28 @@ class _InboxRow extends ConsumerWidget {
     final userCache = ref.watch(userCacheProvider);
     final profile = userCache[item.item.pubkey.toLowerCase()];
     final senderLabel = profile?.displayName ?? shortPubkey(item.item.pubkey);
+    final profileMentionNames = {
+      for (final pubkey in mentionedPubkeysFromTags(item.item.tags))
+        if (userCache[pubkey]?.displayName?.trim().isNotEmpty == true)
+          pubkey: userCache[pubkey]!.displayName!.trim(),
+    };
+    final mentionPubkeys = mentionedPubkeysFromTags(item.item.tags);
+    final knownAgentPubkeys = channel == null
+        ? ref.watch(knownAgentPubkeysProvider)
+        : ref.watch(agentMentionPubkeysProvider(channel!.id));
+    final agentMentionPubkeys = agentPubkeysWithProfileOwners(
+      knownAgentPubkeys: knownAgentPubkeys,
+      profileOwnedAgentPubkeys: [
+        for (final profile in userCache.values)
+          if (profile.ownerPubkey != null) profile.pubkey,
+      ],
+    );
+    final mentionNames = mentionNamesWithDirectoryLabels(
+      mentionPubkeys: mentionPubkeys,
+      profileMentionNames: profileMentionNames,
+      directoryDisplayNames: ref.watch(agentDirectoryDisplayNamesProvider),
+      agentMentionPubkeys: agentMentionPubkeys,
+    );
 
     final isDm = channel?.isDm ?? false;
     final channelName = channel != null && !isDm
@@ -172,6 +194,8 @@ class _InboxRow extends ConsumerWidget {
                   // Message preview.
                   MessageContent(
                     content: item.item.displayContent,
+                    mentionNames: mentionNames,
+                    agentMentionPubkeys: agentMentionPubkeys,
                     tags: item.item.tags,
                     maxLines: 2,
                     baseStyle: activityPreviewTextStyle.copyWith(

mobile/lib/features/channels/agent_activity/working_bots_provider.dart

@@ -8,21 +8,20 @@ import '../channel_typing_provider.dart';
 ///
 /// Used by both the members button badge and the members sheet to avoid
 /// duplicating the bot-typing cross-reference logic.
-final workingBotPubkeysProvider = Provider.family<Set<String>, String>((
-  ref,
-  channelId,
-) {
-  final typingEntries = ref.watch(channelTypingProvider(channelId));
-  final membersAsync = ref.watch(channelMembersProvider(channelId));
-  final allMembers = membersAsync.asData?.value ?? const <ChannelMember>[];
+final workingBotPubkeysProvider = Provider.autoDispose
+    .family<Set<String>, String>((ref, channelId) {
+      final typingEntries = ref.watch(channelTypingProvider(channelId));
+      final membersAsync = ref.watch(channelMembersProvider(channelId));
+      final allMembers = membersAsync.asData?.value ?? const <ChannelMember>[];
 
-  final botPubkeys = <String>{
-    for (final m in allMembers)
-      if (m.isBot) m.pubkey.toLowerCase(),
-  };
+      final botPubkeys = <String>{
+        for (final m in allMembers)
+          if (m.isBot) m.pubkey.toLowerCase(),
+      };
 
-  return <String>{
-    for (final e in typingEntries)
-      if (botPubkeys.contains(e.pubkey.toLowerCase())) e.pubkey.toLowerCase(),
-  };
-});
+      return <String>{
+        for (final e in typingEntries)
+          if (botPubkeys.contains(e.pubkey.toLowerCase()))
+            e.pubkey.toLowerCase(),
+      };
+    });

mobile/lib/features/channels/channel_detail_page.dart

@@ -8,6 +8,7 @@ import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:lucide_icons_flutter/lucide_icons.dart';
 import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
 
+import '../../shared/mentions/agent_identity_provider.dart';
 import '../../shared/relay/relay.dart';
 import '../../shared/theme/theme.dart';
 import '../../shared/widgets/avatar_image.dart';
@@ -39,7 +40,6 @@ import 'manage_channel_sheet.dart';
 import 'members_sheet.dart';
 import 'message_actions.dart';
 import 'message_content.dart';
-import 'mentions/mention_candidates_provider.dart';
 import 'read_state/deferred_read_state_update.dart';
 import 'read_state/read_state_provider.dart';
 import 'read_state/read_state_time.dart';

mobile/lib/features/channels/channel_detail_page/message_bubble.dart

@@ -36,8 +36,14 @@ class _MessageBubble extends ConsumerWidget {
 
     // Build mention names map from event p-tags.
     final userCache = ref.watch(userCacheProvider);
-    final knownAgentPubkeys = ref.watch(
-      mentionAgentPubkeysProvider(currentChannelId),
+    final knownAgentPubkeys = agentPubkeysWithProfileOwners(
+      knownAgentPubkeys: ref.watch(
+        agentMentionPubkeysProvider(currentChannelId),
+      ),
+      profileOwnedAgentPubkeys: [
+        for (final profile in userCache.values)
+          if (profile.ownerPubkey != null) profile.pubkey,
+      ],
     );
     final mentionNames = <String, String>{};
     final agentMentionPubkeys = <String>{};
@@ -51,6 +57,12 @@ class _MessageBubble extends ConsumerWidget {
         agentMentionPubkeys.add(normalizedPubkey);
       }
     }
+    final resolvedMentionNames = mentionNamesWithDirectoryLabels(
+      mentionPubkeys: message.mentionPubkeys,
+      profileMentionNames: mentionNames,
+      directoryDisplayNames: ref.watch(agentDirectoryDisplayNamesProvider),
+      agentMentionPubkeys: agentMentionPubkeys,
+    );
 
     return Padding(
       padding: EdgeInsets.only(top: showAuthor ? Grid.xs : 0),
@@ -166,7 +178,7 @@ class _MessageBubble extends ConsumerWidget {
                           ),
                         MessageContent(
                           content: message.content,
-                          mentionNames: mentionNames,
+                          mentionNames: resolvedMentionNames,
                           agentMentionPubkeys: agentMentionPubkeys,
                           channelNames: channelNames,
                           tags: message.tags,

mobile/lib/features/channels/channel_management_provider.dart

@@ -7,6 +7,7 @@ import 'package:hooks_riverpod/hooks_riverpod.dart';
 import '../../shared/auth/auth.dart';
 import '../../shared/custom_emoji/custom_emoji.dart';
 import '../../shared/custom_emoji/custom_emoji_provider.dart';
+import '../../shared/mentions/agent_identity_provider.dart';
 import '../../shared/relay/relay.dart';
 import '../profile/profile_provider.dart';
 import 'channel.dart';
@@ -392,8 +393,9 @@ final channelDetailsProvider = FutureProvider.family<ChannelDetails, String>((
 });
 
 /// Channel members from kind:39002 NIP-29 members event.
-final channelMembersProvider =
-    FutureProvider.family<List<ChannelMember>, String>((ref, channelId) async {
+final channelMembersProvider = FutureProvider.autoDispose
+    .family<List<ChannelMember>, String>((ref, channelId) async {
+      ref.watch(channelMembershipUpdateProvider(channelId));
       final session = ref.watch(relaySessionProvider.notifier);
       final events = await session.fetchHistory(
         NostrFilters.channelMembers(channelId),
@@ -557,6 +559,7 @@ class ChannelActions {
       );
     }
     _ref.invalidate(channelMembersProvider(channelId));
+    _ref.invalidate(channelBotPubkeysProvider(channelId));
   }
 
   Future<void> joinChannel(String channelId) async {
@@ -626,6 +629,7 @@ class ChannelActions {
     await _ref.read(channelsProvider.notifier).refresh();
     _ref.invalidate(channelDetailsProvider(channelId));
     _ref.invalidate(channelMembersProvider(channelId));
+    _ref.invalidate(channelBotPubkeysProvider(channelId));
     _ref.invalidate(channelCanvasProvider(channelId));
   }
 
@@ -659,6 +663,7 @@ class ChannelActions {
       ],
     );
     _ref.invalidate(channelMembersProvider(channelId));
+    _ref.invalidate(channelBotPubkeysProvider(channelId));
   }
 
   Future<void> removeMember({
@@ -674,6 +679,7 @@ class ChannelActions {
       ],
     );
     _ref.invalidate(channelMembersProvider(channelId));
+    _ref.invalidate(channelBotPubkeysProvider(channelId));
   }
 
   Future<void> addReaction(String eventId, String emoji) async {

mobile/lib/features/channels/channel_messages_provider.dart

@@ -2,7 +2,6 @@ import 'package:flutter/foundation.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 
 import '../../shared/relay/relay.dart';
-import 'channel_management_provider.dart';
 import 'pending_local_messages_provider.dart';
 import 'channel_window.dart';
 import 'thread_replies_provider.dart';
@@ -222,11 +221,6 @@ class ChannelMessagesNotifier extends Notifier<AsyncValue<List<NostrEvent>>> {
       _lastKnownMessages = merged;
       state = AsyncData(merged);
     }
-
-    if (event.kind == EventKind.systemMessage &&
-        _isMembershipEvent(event.content)) {
-      ref.invalidate(channelMembersProvider(channelId));
-    }
   }
 
   void _handleWindowLiveEvent(NostrEvent event) {
@@ -288,12 +282,6 @@ class ChannelMessagesNotifier extends Notifier<AsyncValue<List<NostrEvent>>> {
         .confirm(eventIds);
   }
 
-  static bool _isMembershipEvent(String content) {
-    return content.contains('member_joined') ||
-        content.contains('member_left') ||
-        content.contains('member_removed');
-  }
-
   /// Adds a just-signed outgoing message before the relay acknowledges it.
   /// The live relay echo is deduplicated by event id.
   void addLocalMessage(NostrEvent event) {

mobile/lib/features/channels/compose_bar.dart

@@ -15,6 +15,7 @@ import 'package:lucide_icons_flutter/lucide_icons.dart';
 
 import 'package:nostr/nostr.dart' as nostr;
 
+import '../../shared/mentions/agent_identity_provider.dart';
 import '../../shared/relay/relay.dart';
 import '../../shared/theme/theme.dart';
 import '../../shared/widgets/avatar_image.dart';
@@ -36,6 +37,7 @@ import 'mentions/mention_ranking.dart';
 import 'photo_library.dart';
 
 part 'compose_bar/helpers.dart';
+part 'compose_bar/agent_mention_labels.dart';
 part 'compose_bar/markdown_editing_controller.dart';
 part 'compose_bar/suggestions.dart';
 part 'compose_bar/formatting_toolbar.dart';
@@ -231,6 +233,16 @@ class ComposeBar extends HookConsumerWidget {
     // owners so @mention suggestions show names ("managed by …" included).
     final relayAgents = ref.watch(agentDirectoryProvider).asData?.value;
     final agentOwners = ref.watch(agentOwnersProvider).asData?.value;
+    final agentMentionLabels = _agentMentionLabels(
+      candidates: mentionMap.value.values,
+    );
+    final agentMentionLabelsKey = (agentMentionLabels.toList()..sort()).join(
+      '\u0000',
+    );
+    useEffect(() {
+      controller.setAgentMentionNames(agentMentionLabels);
+      return null;
+    }, [controller, agentMentionLabelsKey]);
     useEffect(
       () {
         final memberList = membersAsync.asData?.value ?? <ChannelMember>[];

mobile/lib/features/channels/compose_bar/agent_mention_labels.dart

@@ -0,0 +1,10 @@
+part of '../compose_bar.dart';
+
+Set<String> _agentMentionLabels({
+  required Iterable<MentionCandidate> candidates,
+}) {
+  return <String>{
+    for (final candidate in candidates)
+      if (candidate.isAgent) candidate.label,
+  };
+}