fix(package): commit pinned HardeningKitty assets

setup.py

@@ -83,7 +83,7 @@ def _checksum(path):
 def _verify_vendor(root, allow_runtime=False):
     manifest_path = os.path.join(root, 'vendor-manifest.json')
     if not os.path.isfile(manifest_path):
-        raise RuntimeError('Vendor assets missing. Run python tools/vendor_assets.py before building the WAPT package.')
+        raise RuntimeError('Vendor assets missing from WAPT package (vendor/vendor-manifest.json). Rebuild from prepared sources and verify the resulting .wapt before installation.')
     manifest = _read_json(manifest_path)
     if manifest.get('upstream_commit') != 'acf9ecee3d044a9337df7aad80e730cbd746e8de':
         raise RuntimeError('Vendor manifest does not use the approved pinned revision.')