Adding the reset function

backend/app/main.py

@@ -7,7 +7,6 @@ from app.api.qr import router as qr_router
 def create_app() -> FastAPI:
     app = FastAPI(title="QR Code Service")
 
-    # Open CORS to all origins
     app.add_middleware(
         CORSMiddleware,
         allow_origins=["*"],

backend/app/services/qr_service.py

@@ -6,7 +6,6 @@ import qrcode
 def generate_qr_image_bytes(text: str, size: int = 300) -> bytes:
     img = qrcode.make(text)
 
-    # Ensure RGB for consistent PNG output
     if getattr(img, "mode", None) != "RGB":
         img = img.convert("RGB")