change return type to model names

app.py

@@ -13,6 +13,9 @@ model = YOLO("yolov8n.pt")
 if torch.cuda.is_available():
     model.to('cuda')
 
+# Retrieve class names from the model
+class_names = model.names
+
 with open("config.json", "r") as f:
     config = json.load(f)
 
@@ -58,7 +61,7 @@ async def detect(websocket: WebSocket):
                 for r in results:
                     for box in r.boxes:
                         boxes.append({
-                            "class": int(box.cls[0]),
+                            "class": class_names[int(box.cls[0])],  # Use class name
                             "confidence": float(box.conf[0]),
                         })
                 # Broadcast to all subscribers of this URL