Fix typo

app/routers/nodes.py

@@ -16,15 +16,15 @@ nodes_bp = Blueprint('nodes', __name__)
 pending_requests = {}
 
 
-async def register_client(websocket, client_id, nickname):
+async def register_client(websocket, client_id, client_nickname):
     """Registers a new client connection."""
     current_app.active_clients[client_id] = ActiveClient()
     current_app.active_clients[client_id].websocket = websocket
-    current_app.active_clients[client_id].nickname = nickname
+    current_app.active_clients[client_id].nickname = client_nickname
     print(f"Client {client_id} connected.")
 
     # Create a JWT for the client
-    current_app.active_clients[client_id].access_token = create_access_token(identity={"id": client_id, "username": nickname, "type": "node"})
+    current_app.active_clients[client_id].access_token = create_access_token(identity={"id": client_id, "username": client_nickname, "type": "node"})
 
     # Start a task to listen for messages from this client
     asyncio.create_task(listen_to_client(websocket, client_id))