Add web demo polish and smoke-test pipeline

scripts/04_evaluate_generated_routes.py

@@ -49,6 +49,7 @@ from climbingboardgpt.evaluation import (
     tokens_to_hold_records,
     validity_from_records,
 )
+from climbingboardgpt.checkpoints import load_checkpoint
 from climbingboardgpt.grades import to_grouped_v
 from climbingboardgpt.models import JointRouteTransformerRegressor
 
@@ -86,10 +87,7 @@ def load_grade_critic(model_path: Path, device: torch.device):
     """
     if not model_path.exists():
         return None
-    try:
-        checkpoint = torch.load(model_path, map_location=device, weights_only=False)
-    except TypeError:
-        checkpoint = torch.load(model_path, map_location=device)
+    checkpoint = load_checkpoint(model_path, map_location=device, trusted=True)
 
     cfg = checkpoint["config"]
     stoi = {str(k): int(v) for k, v in checkpoint["stoi"].items()}
@@ -333,4 +331,4 @@ def main() -> None:
 
 
 if __name__ == "__main__":
-    main()
+    main()