add websocket counter plate

alpr-service/main.py

@@ -57,10 +57,24 @@ def save_plate_capture(plate_number, full_frame):
         timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
         
         # Solo guardar frame completo
-        filename = f"{DATASET_DIR}/{plate_number}_{timestamp}.jpg"
-        cv2.imwrite(filename, full_frame, [cv2.IMWRITE_JPEG_QUALITY, 95])
+        filename = f"{plate_number}_{timestamp}.jpg"
+        filepath = f"{DATASET_DIR}/{filename}"
+        cv2.imwrite(filepath, full_frame, [cv2.IMWRITE_JPEG_QUALITY, 95])
         
-        print(f"📸 Saved to dataset: {plate_number}")
+        # Contar total de capturas
+        total_count = len([f for f in os.listdir(DATASET_DIR) if f.endswith('.jpg')])
+        
+        # Notificar al backend para WebSocket
+        try:
+            requests.post(f"{BACKEND_URL}/api/dataset/capture", json={
+                'plate_number': plate_number,
+                'filename': filename,
+                'count': total_count
+            }, timeout=2)
+        except:
+            pass  # No bloquear si falla la notificación
+        
+        print(f"📸 Saved to dataset: {plate_number} (Total: {total_count})")
         return True
     except Exception as e:
         print(f"❌ Error saving capture: {e}")