diff --git a/submissions/metadata.json b/submissions/metadata.json
new file mode 100644
index 0000000..5b8f979
--- /dev/null
+++ b/submissions/metadata.json
@@ -0,0 +1,7 @@
+{
+  "team": "agent_gnn",
+  "run_id": "readme_recommended_gnn_v1",
+  "type": "llm-only",
+  "model": "PyG GCN when parquet graph data is present",
+  "notes": "README/starter code uses torch-geometric GCN; this checkout lacks train_data.parquet/test_data.parquet, so no-download fallback was required."
+}
\ No newline at end of file
diff --git a/submissions/predictions.csv.enc b/submissions/predictions.csv.enc
new file mode 100644
index 0000000..633bc96
Binary files /dev/null and b/submissions/predictions.csv.enc differ
diff --git a/submissions/secret.key.enc b/submissions/secret.key.enc
new file mode 100644
index 0000000..35c48c7
--- /dev/null
+++ b/submissions/secret.key.enc
@@ -0,0 +1 @@
+c�czދ�z7�n;����O������Q�H���A9��ۊL�a�'��W�o|�E�Ց��[RQ�����`e�����*g�*���0�ʡR�6g�5���ub�E�,�Uƚu�]�֊U���v�#�r�T����}�����R����ݢ�˭�?�d6��	�����Z?�$d��$����(-&9�7�&�X��L2	�_\Lm�Ukɨ�|�L�Ó
Հw����[�*�8T%���M�m��6F�Q�1�HϖTԸ6
\ No newline at end of file