fix(presence): remove presence for a solo user (#1779)

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/control-bar/components/user-avatar-stack/components/user-avatar/user-avatar.tsx

@@ -26,7 +26,6 @@ export function UserAvatar({
 }: AvatarProps) {
   const { gradient } = useMemo(() => getPresenceColors(connectionId, color), [connectionId, color])
 
-  // Determine avatar size
   const sizeClass = {
     sm: 'h-5 w-5 text-[10px]',
     md: 'h-7 w-7 text-xs',
@@ -49,7 +48,7 @@ export function UserAvatar({
       style={
         {
           background: hasAvatar ? undefined : gradient,
-          zIndex: 10 - index, // Higher index = lower z-index for stacking effect
+          zIndex: 10 - index,
         } as CSSProperties
       }
     >
@@ -69,7 +68,6 @@ export function UserAvatar({
     </div>
   )
 
-  // If tooltip content is provided, wrap in tooltip
   if (tooltipContent) {
     return (
       <Tooltip>

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/hooks/use-presence.ts

@@ -1,9 +1,9 @@
 'use client'
 
 import { useMemo } from 'react'
+import { useSession } from '@/lib/auth-client'
 import { useSocket } from '@/contexts/socket-context'
 
-// Socket presence user from server
 interface SocketPresenceUser {
   socketId: string
   userId: string
@@ -13,7 +13,6 @@ interface SocketPresenceUser {
   selection?: { type: 'block' | 'edge' | 'none'; id?: string }
 }
 
-// UI presence user for components
 type PresenceUser = {
   connectionId: string | number
   name?: string
@@ -31,28 +30,30 @@ interface UsePresenceReturn {
 /**
  * Hook for managing user presence in collaborative workflows using Socket.IO
  * Uses the existing Socket context to get real presence data
+ * Filters out the current user so only other collaborators are shown
  */
 export function usePresence(): UsePresenceReturn {
   const { presenceUsers, isConnected } = useSocket()
+  const { data: session } = useSession()
+  const currentUserId = session?.user?.id
 
   const users = useMemo(() => {
-    // Deduplicate by userId - only show one presence per unique user
     const uniqueUsers = new Map<string, SocketPresenceUser>()
 
     presenceUsers.forEach((user) => {
-      // Keep the most recent presence for each user (last one wins)
       uniqueUsers.set(user.userId, user)
     })
 
-    return Array.from(uniqueUsers.values()).map((user) => ({
-      // Use userId as connectionId since we've deduplicated
-      connectionId: user.userId,
-      name: user.userName,
-      color: undefined, // Let the avatar component generate colors
-      info: user.selection?.type ? `Editing ${user.selection.type}` : undefined,
-      avatarUrl: user.avatarUrl,
-    }))
-  }, [presenceUsers])
+    return Array.from(uniqueUsers.values())
+      .filter((user) => user.userId !== currentUserId)
+      .map((user) => ({
+        connectionId: user.userId,
+        name: user.userName,
+        color: undefined,
+        info: user.selection?.type ? `Editing ${user.selection.type}` : undefined,
+        avatarUrl: user.avatarUrl,
+      }))
+  }, [presenceUsers, currentUserId])
 
   return {
     users,

apps/sim/socket-server/handlers/workflow.ts

@@ -63,13 +63,11 @@ export function setupWorkflowHandlers(
         return
       }
 
-      // Ensure user only joins one workflow at a time
       const currentWorkflowId = roomManager.getWorkflowIdForSocket(socket.id)
       if (currentWorkflowId) {
         socket.leave(currentWorkflowId)
         roomManager.cleanupUserFromRoom(socket.id, currentWorkflowId)
 
-        // Broadcast updated presence list to all remaining users
         roomManager.broadcastPresenceUpdate(currentWorkflowId)
       }
 
@@ -119,7 +117,6 @@ export function setupWorkflowHandlers(
       const workflowState = await getWorkflowState(workflowId)
       socket.emit('workflow-state', workflowState)
 
-      // Broadcast updated presence list to all users in the room
       roomManager.broadcastPresenceUpdate(workflowId)
 
       const uniqueUserCount = roomManager.getUniqueUserCount(workflowId)
@@ -166,7 +163,6 @@ export function setupWorkflowHandlers(
       socket.leave(workflowId)
       roomManager.cleanupUserFromRoom(socket.id, workflowId)
 
-      // Broadcast updated presence list to all remaining users
       roomManager.broadcastPresenceUpdate(workflowId)
 
       logger.info(`User ${session.userId} (${session.userName}) left workflow ${workflowId}`)