Remove Structured output decoding

app.py

@@ -357,14 +357,7 @@ def navigate(input_numpy_image: np.ndarray, task: str) -> str:
         print(f"Error during model inference: {e}")
         return f"Error during model inference: {e}", resized_image.copy().convert("RGB")
 
-    try:
-        return NavigationStep(**json.loads(navigation_str))
-    except Exception as e:
-        print(f"Error parsing navigation step. \nGenerated: {navigation_str}. \nError: {e}")
-        return (
-            f"Error parsing navigation step. \nGenerated: {navigation_str}. \nError: {e}",
-            resized_image.copy().convert("RGB"),
-        )
+    return navigation_str
 
 
 # --- Load Example Data ---