feat(ap): broadcast Update(Actor) when user updates their profile

crates/application/src/services/federation_event.rs

@@ -277,6 +277,10 @@ impl FederationEventService {
                     .await
             }
 
+            DomainEvent::ProfileUpdated { user_id } => {
+                self.ap.broadcast_actor_update(user_id).await
+            }
+
             _ => Ok(()),
         }
     }
@@ -308,6 +312,7 @@ mod tests {
         undo_announced: Mutex<Vec<String>>,
         liked: Mutex<Vec<String>>,
         undo_liked: Mutex<Vec<String>>,
+        actor_updated: Mutex<Vec<UserId>>,
     }
 
     #[async_trait]
@@ -366,6 +371,11 @@ mod tests {
             self.undo_liked.lock().unwrap().push(ap_id.to_string());
             Ok(())
         }
+
+        async fn broadcast_actor_update(&self, user_id: &UserId) -> Result<(), DomainError> {
+            self.actor_updated.lock().unwrap().push(user_id.clone());
+            Ok(())
+        }
     }
 
     fn alice() -> User {