directly return number of active users from backend for usage display

backend/open_webui/main.py

@@ -58,7 +58,7 @@ from open_webui.socket.main import (
     app as socket_app,
     periodic_usage_pool_cleanup,
     get_models_in_use,
-    get_active_user_ids,
+    get_active_users_count,
 )
 from open_webui.routers import (
     audio,
@@ -1663,7 +1663,7 @@ async def get_current_usage(user=Depends(get_verified_user)):
     This is an experimental endpoint and subject to change.
     """
     try:
-        return {"model_ids": get_models_in_use(), "user_ids": get_active_user_ids()}
+        return {"model_ids": get_models_in_use(), "users_count": get_active_users_count()}
     except Exception as e:
         log.error(f"Error getting usage statistics: {e}")
         raise HTTPException(status_code=500, detail="Internal Server Error")

backend/open_webui/socket/main.py

@@ -152,6 +152,11 @@ def get_models_in_use():
     return models_in_use
 
 
+def get_active_users_count():
+    """Get the number of active users."""
+    return len(USER_POOL)
+
+
 def get_active_user_ids():
     """Get the list of active user IDs."""
     return list(USER_POOL.keys())