client-side replacement

lib/pangea/activity_sessions/activity_room_extension.dart

@@ -238,17 +238,9 @@ extension ActivityRoomExtension on Room {
         continue;
       }
 
-      final sender = getParticipants().firstWhereOrNull(
-        (user) => user.id == event.senderId,
-      );
-      final displayName = sender?.calcDisplayname() ??
-          event.senderId.localpart ??
-          event.senderId;
-
       final activityMessage = event.messageType == MessageTypes.Text
           ? ActivitySummaryResultsMessage(
               userId: event.senderId,
-              displayName: displayName,
               sent: pangeaMessage.originalSent?.text ?? event.body,
               written: pangeaMessage.originalWrittenContent,
               time: event.originServerTs,
@@ -261,7 +253,6 @@ extension ActivityRoomExtension on Room {
             )
           : ActivitySummaryResultsMessage(
               userId: event.senderId,
-              displayName: displayName,
               sent:
                   pangeaMessage.getSpeechToTextLocal()!.transcript.text.trim(),
               written:

lib/pangea/activity_sessions/activity_user_summaries_widget.dart

@@ -159,7 +159,11 @@ class ButtonControlledCarouselView extends StatelessWidget {
                     Flexible(
                       child: SingleChildScrollView(
                         child: Text(
-                          p.feedback,
+                          p.displayFeedback(
+                            user?.calcDisplayname() ??
+                                p.participantId.localpart ??
+                                p.participantId,
+                          ),
                           style: const TextStyle(fontSize: 12.0),
                         ),
                       ),

lib/pangea/activity_summary/activity_summary_request_model.dart

@@ -7,7 +7,6 @@ import 'package:fluffychat/pangea/activity_summary/activity_summary_response_mod
 
 class ActivitySummaryResultsMessage {
   final String userId;
-  final String displayName;
   final String sent;
   final String? written;
   final List<String> tool;
@@ -15,7 +14,6 @@ class ActivitySummaryResultsMessage {
 
   ActivitySummaryResultsMessage({
     required this.userId,
-    required this.displayName,
     required this.sent,
     this.written,
     required this.tool,
@@ -25,7 +23,6 @@ class ActivitySummaryResultsMessage {
   factory ActivitySummaryResultsMessage.fromJson(Map<String, dynamic> json) {
     return ActivitySummaryResultsMessage(
       userId: json['user_id'] as String,
-      displayName: json['display_name'] as String,
       sent: json['sent'] as String,
       written: json['written'] as String?,
       tool: (json['tool'] as List).map((e) => e as String).toList(),
@@ -36,7 +33,6 @@ class ActivitySummaryResultsMessage {
   Map<String, dynamic> toJson() {
     return {
       'user_id': userId,
-      'display_name': displayName,
       'sent': sent,
       if (written != null) 'written': written,
       'tool': tool,

lib/pangea/activity_summary/activity_summary_response_model.dart

@@ -29,6 +29,9 @@ class ParticipantSummaryModel {
       'superlatives': superlatives,
     };
   }
+
+  String displayFeedback(String displayName) =>
+      feedback.replaceAll(participantId, displayName);
 }
 
 class ActivitySummaryResponseModel {