feat: Add user metadata changing display name and description with sync

server/src/websocket/handler.ts

@@ -20,6 +20,22 @@ function normalizeDisplayName(value: unknown, fallback = 'User'): string {
   return normalized || fallback;
 }
 
+function normalizeDescription(value: unknown): string | undefined {
+  if (typeof value !== 'string') {
+    return undefined;
+  }
+
+  const normalized = value.trim();
+
+  return normalized || undefined;
+}
+
+function normalizeProfileUpdatedAt(value: unknown): number | undefined {
+  return typeof value === 'number' && Number.isFinite(value) && value > 0
+    ? value
+    : undefined;
+}
+
 function readMessageId(value: unknown): string | undefined {
   if (typeof value !== 'string') {
     return undefined;
@@ -37,7 +53,13 @@ function readMessageId(value: unknown): string | undefined {
 /** Sends the current user list for a given server to a single connected user. */
 function sendServerUsers(user: ConnectedUser, serverId: string): void {
   const users = getUniqueUsersInServer(serverId, user.oderId)
-    .map(cu => ({ oderId: cu.oderId, displayName: normalizeDisplayName(cu.displayName), status: cu.status ?? 'online' }));
+    .map(cu => ({
+      oderId: cu.oderId,
+      displayName: normalizeDisplayName(cu.displayName),
+      description: cu.description,
+      profileUpdatedAt: cu.profileUpdatedAt,
+      status: cu.status ?? 'online'
+    }));
 
   user.ws.send(JSON.stringify({ type: 'server_users', serverId, users }));
 }
@@ -45,6 +67,9 @@ function sendServerUsers(user: ConnectedUser, serverId: string): void {
 function handleIdentify(user: ConnectedUser, message: WsMessage, connectionId: string): void {
   const newOderId = readMessageId(message['oderId']) ?? connectionId;
   const newScope = typeof message['connectionScope'] === 'string' ? message['connectionScope'] : undefined;
+  const previousDisplayName = normalizeDisplayName(user.displayName);
+  const previousDescription = user.description;
+  const previousProfileUpdatedAt = user.profileUpdatedAt;
 
   // Close stale connections from the same identity AND the same connection
   // scope so offer routing always targets the freshest socket (e.g. after
@@ -67,9 +92,38 @@ function handleIdentify(user: ConnectedUser, message: WsMessage, connectionId: s
 
   user.oderId = newOderId;
   user.displayName = normalizeDisplayName(message['displayName'], normalizeDisplayName(user.displayName));
+
+  if (Object.prototype.hasOwnProperty.call(message, 'description')) {
+    user.description = normalizeDescription(message['description']);
+  }
+
+  if (Object.prototype.hasOwnProperty.call(message, 'profileUpdatedAt')) {
+    user.profileUpdatedAt = normalizeProfileUpdatedAt(message['profileUpdatedAt']);
+  }
+
   user.connectionScope = newScope;
   connectedUsers.set(connectionId, user);
   console.log(`User identified: ${user.displayName} (${user.oderId})`);
+
+  if (
+    user.displayName === previousDisplayName
+    && user.description === previousDescription
+    && user.profileUpdatedAt === previousProfileUpdatedAt
+  ) {
+    return;
+  }
+
+  for (const serverId of user.serverIds) {
+    broadcastToServer(serverId, {
+      type: 'user_joined',
+      oderId: user.oderId,
+      displayName: normalizeDisplayName(user.displayName),
+      description: user.description,
+      profileUpdatedAt: user.profileUpdatedAt,
+      status: user.status ?? 'online',
+      serverId
+    }, user.oderId);
+  }
 }
 
 async function handleJoinServer(user: ConnectedUser, message: WsMessage, connectionId: string): Promise<void> {
@@ -108,6 +162,8 @@ async function handleJoinServer(user: ConnectedUser, message: WsMessage, connect
       type: 'user_joined',
       oderId: user.oderId,
       displayName: normalizeDisplayName(user.displayName),
+      description: user.description,
+      profileUpdatedAt: user.profileUpdatedAt,
       status: user.status ?? 'online',
       serverId: sid
     }, user.oderId);