diff --git a/lib/snf/src/session.rs b/lib/snf/src/session.rs
new file mode 100644
index 0000000..dc31afa
--- /dev/null
+++ b/lib/snf/src/session.rs
@@ -0,0 +1,2 @@
+// a session is a recording of the client's inputs
+// which should deterministically recreate a bot or whatever the client did